{"product_id":"wifi-snow-melting-controller","title":"WiFi Snow Melting Controller for Roof \u0026 Driveway De-Icing","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cdiv class=\"yd-product-section\"\u003e\n\u003cp\u003e\u003cstrong\u003eWiFi Snow Melting Controller System for Roof, Gutter, Driveway, and Walkway De-Icing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe YeloDeer EFC1 is an automatic snow melting controller designed to operate compatible heating cable systems based on both outdoor temperature and moisture conditions. Choose the Ground Sensor Kit for paved surfaces or the Roof Sensor Kit for roof and gutter de-icing applications.\u003c\/p\u003e\n\u003cp\u003eThe controller supports 120V and 240V systems, WiFi monitoring through the Smart Life app, and automatic or forced heating control. The heating cable itself provides the snow-melting heat and is not included with the controller sensor kits.\u003c\/p\u003e\n\u003ch4\u003eQuick Fit Snapshot\u003c\/h4\u003e\n\u003cdiv class=\"yd-decision-strip\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGround or Roof Sensor\u003c\/strong\u003e \u003cspan\u003eChoose EFS-G for driveways and paved surfaces, or EFS-R for roofs, gutters, and downspouts.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e120V \/ 240V Compatible\u003c\/strong\u003e \u003cspan\u003eEFC1 accepts 85–265V AC, 50\/60Hz power for compatible North American snow melting systems.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e16A Max Relay\u003c\/strong\u003e \u003cspan\u003eMaximum controller relay current is 16A. For continuous operation, keeping the connected load at or below 11A is recommended.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTemperature + Moisture\u003c\/strong\u003e \u003cspan\u003eAutomatic heating operates only when the selected temperature conditions and moisture detection requirements are both satisfied.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eKey Benefits\u003c\/h4\u003e\n\u003cdiv class=\"yd-scenario-grid\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAutomatic Snow \u0026amp; Ice Control\u003c\/strong\u003e \u003cspan\u003eHelps operate compatible heating cables only when cold and wet conditions indicate de-icing may be needed.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eApplication-Specific Sensors\u003c\/strong\u003e \u003cspan\u003eSeparate ground and roof sensor designs allow the system to match the way meltwater is detected in different locations.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWiFi Remote Monitoring\u003c\/strong\u003e \u003cspan\u003eConnect through a 2.4 GHz WiFi network and the Smart Life app for compatible remote monitoring and control functions.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAutomatic or Forced Heating\u003c\/strong\u003e \u003cspan\u003eUse automatic dual-sensor operation for normal winter control or activate forced heating when temporary manual operation is required.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eChoose the Right SKU\u003c\/h4\u003e\n\u003cdiv class=\"yd-category-grid\"\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eWeatherproof Enclosure Only\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eIP65 Enclosure\u003c\/span\u003e \u003cspan\u003eDIN Rail Housing\u003c\/span\u003e \u003cspan\u003eOutdoor Controller Protection\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eChoose this option when you need a weatherproof enclosure for an EFC1 controller installation. This SKU is the enclosure only and does not include the EFC1 controller or moisture sensors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eRoof Sensor Kit — EFC1 + EFS-R\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eRoof Edges\u003c\/span\u003e \u003cspan\u003eGutters\u003c\/span\u003e \u003cspan\u003eDownspouts\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eChoose the EFS-R roof moisture sensor for roof and gutter de-icing systems where meltwater can reach the sensor surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eGround Sensor Kit — EFC1 + EFS-G\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eDriveways\u003c\/span\u003e \u003cspan\u003eWalkways\u003c\/span\u003e \u003cspan\u003ePorches \u0026amp; Ramps\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eChoose the EFS-G ground moisture sensor for paved snow melting areas. The sensor is designed for horizontal, flush installation in the protected surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eSuitable For\u003c\/h4\u003e\n\u003cdiv class=\"yd-category-grid\"\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eGround Snow Melting\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eDriveways\u003c\/span\u003e \u003cspan\u003eWalkways\u003c\/span\u003e \u003cspan\u003eSidewalks\u003c\/span\u003e \u003cspan\u003eRamps\u003c\/span\u003e \u003cspan\u003ePorches\u003c\/span\u003e \u003cspan\u003eLoading Docks\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eRoof \u0026amp; Drainage De-Icing\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eRoof Edges\u003c\/span\u003e \u003cspan\u003eGutters\u003c\/span\u003e \u003cspan\u003eDownspouts\u003c\/span\u003e \u003cspan\u003eRoof Drainage Areas\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eImportant Before Ordering\u003c\/h4\u003e\n\u003cdiv class=\"yd-alert-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm the SKU, electrical load, installation location, and heating cable system before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Ground Sensor Kit and Roof Sensor Kit use the same EFC1 controller but different moisture sensors.\u003c\/strong\u003e Choose EFS-G for ground applications and EFS-R for roof or gutter applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Weatherproof Enclosure SKU is the enclosure only.\u003c\/strong\u003e It does not replace the controller or sensor kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating cable is not included with the controller sensor kits.\u003c\/strong\u003e The EFC1 controls a compatible external snow melting or de-icing heating system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe EFC1 controller is IP20.\u003c\/strong\u003e Install it indoors or inside a suitable weatherproof electrical enclosure when used in an outdoor installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum relay current is 16A.\u003c\/strong\u003e For long-term continuous operation, keeping the connected load at or below 11A is recommended.\u003c\/li\u003e\n\u003cli\u003eFor loads above 16A, 3-phase systems, or systems above 265V, use a properly rated external AC contactor rather than routing the heating load directly through the controller.\u003c\/li\u003e\n\u003cli\u003eThe controller supports 85–265V AC, 50\/60Hz. Confirm the heating cable voltage and circuit configuration before wiring.\u003c\/li\u003e\n\u003cli\u003eWiFi control requires a stable 2.4 GHz network. A non-metallic enclosure is preferred when possible because a fully enclosed metal box may weaken the WiFi signal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4\u003eElectrical Safety\u003c\/h4\u003e\n\u003cdiv class=\"yd-alert-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eThis controller must be installed and wired by a qualified electrician in accordance with applicable electrical requirements.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDisconnect power before installation, wiring, inspection, or maintenance. Appropriate circuit breaker and GFCI\/leakage protection are strongly recommended. The heating cable ground conductor must be connected to the mains grounding system.\u003c\/p\u003e\n\u003cp\u003eDo not install the controller near flammable materials, heat sources, or in hazardous or explosive atmospheres.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-check-grid\"\u003e\n\u003cspan\u003eChoose Ground or Roof Sensor Kit\u003c\/span\u003e \u003cspan\u003eConfirm 120V or 240V System\u003c\/span\u003e \u003cspan\u003eCalculate Total Heating Load\u003c\/span\u003e \u003cspan\u003eKeep Direct Relay Load Within Rating\u003c\/span\u003e \u003cspan\u003ePlan Weatherproof Controller Protection\u003c\/span\u003e \u003cspan\u003eProvide Required Circuit Protection\u003c\/span\u003e \u003cspan\u003eConfirm Sensor Installation Location\u003c\/span\u003e \u003cspan\u003eConfirm Stable 2.4 GHz WiFi if App Control Is Needed\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch4\u003eRelated Roof De-Icing Products\u003c\/h4\u003e\n\u003cp\u003eBuilding a roof or gutter de-icing system? Explore \u003ca href=\"\/collections\/roof-de-icing\"\u003e\u003cstrong\u003eYeloDeer Roof \u0026amp; Gutter De-Icing Cables\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdiv class=\"yd-product-section\"\u003e\n\u003ch4\u003eGround Sensor Applications — EFS-G\u003c\/h4\u003e\n\u003cp\u003eThe EFS-G Ground Sensor Kit is designed for outdoor paved areas where the moisture sensor can be installed horizontally in the snow melting surface and exposed to representative meltwater conditions.\u003c\/p\u003e\n\u003cdiv class=\"yd-category-grid\"\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eResidential Ground Areas\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eDriveways\u003c\/span\u003e \u003cspan\u003eWalkways\u003c\/span\u003e \u003cspan\u003eSidewalks\u003c\/span\u003e \u003cspan\u003ePorches\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eAccess \u0026amp; Traffic Areas\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eRamps\u003c\/span\u003e \u003cspan\u003eStairs\u003c\/span\u003e \u003cspan\u003eLoading Docks\u003c\/span\u003e \u003cspan\u003eOutdoor Paved Areas\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eRoof Sensor Applications — EFS-R\u003c\/h4\u003e\n\u003cp\u003eThe EFS-R Roof Sensor Kit is designed for roof and drainage applications where melting snow or ice water can reach the moisture-sensing surface.\u003c\/p\u003e\n\u003cdiv class=\"yd-category-grid\"\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eRoof De-Icing\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eRoof Edges\u003c\/span\u003e \u003cspan\u003eIce-Prone Areas\u003c\/span\u003e \u003cspan\u003eRoof Drainage Paths\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eGutter Freeze Protection\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eGutters\u003c\/span\u003e \u003cspan\u003eDownspouts\u003c\/span\u003e \u003cspan\u003eMeltwater Paths\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eWho This System Is For\u003c\/h4\u003e\n\u003cdiv class=\"yd-scenario-grid\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHomeowners\u003c\/strong\u003e \u003cspan\u003eFor automatic control of compatible residential driveway, walkway, roof, and gutter snow melting systems.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProperty Managers\u003c\/strong\u003e \u003cspan\u003eFor seasonal snow and ice control around residential, rental, and small commercial properties.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eContractors \u0026amp; Electricians\u003c\/strong\u003e \u003cspan\u003eFor DIN-rail snow melting control systems requiring temperature and moisture-based activation.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDIY Project Planning\u003c\/strong\u003e \u003cspan\u003eSuitable for experienced users planning a snow melting system, while electrical installation and wiring must be completed by a qualified electrician.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eApplications to Avoid\u003c\/h4\u003e\n\u003cdiv class=\"yd-do-dont-grid\"\u003e\n\u003cdiv class=\"yd-do-card\"\u003e\n\u003cstrong\u003eRecommended\u003c\/strong\u003e \u003cspan\u003eUse the controller with a properly designed outdoor snow melting or roof de-icing heating system where temperature and meltwater conditions can be monitored correctly.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-dont-card\"\u003e\n\u003cstrong\u003eDo Not Use\u003c\/strong\u003e \u003cspan\u003eDo not install the controller in hazardous or explosive atmospheres, near flammable materials or heat sources, or with electrical loads outside the controller rating unless a properly rated external contactor is used.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-notice-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe system detects water, not snow directly.\u003c\/strong\u003e Snow and ice are poor electrical conductors, so the moisture sensor uses its built-in heater to help melt snow or ice on the sensor surface before moisture is detected.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"yd-product-section\"\u003e\n\u003ch4\u003eEFC1 Controller Specifications\u003c\/h4\u003e\n\u003ctable class=\"yd-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eEFC1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWiFi snow melting and de-icing controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e85–265V AC, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical North American Systems\u003c\/td\u003e\n\u003ctd\u003e120V or 240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Relay Current\u003c\/td\u003e\n\u003ctd\u003e16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Continuous Load\u003c\/td\u003e\n\u003ctd\u003e11A or less for long-term continuous operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Power\u003c\/td\u003e\n\u003ctd\u003e2W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003eAC-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController IP Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Terminal Wire Size\u003c\/td\u003e\n\u003ctd\u003e2.5 mm² \/ 13 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.54 × 2.09 × 2.56 in \/ 90 × 53 × 65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature\u003c\/td\u003e\n\u003ctd\u003e32–113°F \/ 0–45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e14–122°F \/ -10–50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Temperature Sensor\u003c\/td\u003e\n\u003ctd\u003eNTC, 10 kΩ at 77°F \/ 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Sensor Cable Length\u003c\/td\u003e\n\u003ctd\u003e9.8 ft \/ 3 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Logic\u003c\/td\u003e\n\u003ctd\u003eOutdoor temperature + moisture detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003ctd\u003e2.4 GHz WiFi; Smart Life app compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Modes\u003c\/td\u003e\n\u003ctd\u003eAutomatic Mode and Forced Heating Mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1-year limited warranty for product quality-related issues\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eMoisture Sensor Specifications\u003c\/h4\u003e\n\u003ctable class=\"yd-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eEFS-G Ground Sensor\u003c\/th\u003e\n\u003cth\u003eEFS-R Roof Sensor\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Application\u003c\/td\u003e\n\u003ctd\u003eDriveways, walkways, ramps, porches, paved snow melting areas\u003c\/td\u003e\n\u003ctd\u003eRoof edges, gutters, downspouts, roof drainage areas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Cable Length\u003c\/td\u003e\n\u003ctd\u003e32.8 ft \/ 10 m\u003c\/td\u003e\n\u003ctd\u003e32.8 ft \/ 10 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Sensor\u003c\/td\u003e\n\u003ctd\u003eNTC, 10 kΩ at 77°F \/ 25°C\u003c\/td\u003e\n\u003ctd\u003eNTC, 10 kΩ at 77°F \/ 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Sensor Heater\u003c\/td\u003e\n\u003ctd\u003e5W\u003c\/td\u003e\n\u003ctd\u003e5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature\u003c\/td\u003e\n\u003ctd\u003e-58–158°F \/ -50–70°C\u003c\/td\u003e\n\u003ctd\u003e-58–158°F \/ -50–70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasured Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-22–167°F \/ -30–75°C\u003c\/td\u003e\n\u003ctd\u003e-22–167°F \/ -30–75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-58–158°F \/ -50–70°C\u003c\/td\u003e\n\u003ctd\u003e-58–158°F \/ -50–70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.36 × 2.36 × 1.42 in \/ 60 × 60 × 36 mm\u003c\/td\u003e\n\u003ctd\u003e4.72 × 1.18 × 0.59 in \/ 120 × 30 × 15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e26.74 oz \/ 758 g\u003c\/td\u003e\n\u003ctd\u003e16.68 oz \/ 473 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"yd-notice-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the 5W sensor heater:\u003c\/strong\u003e The internal heater inside the EFS-G and EFS-R moisture sensors is used only to melt snow or ice on the sensor surface so moisture can be detected. It is not designed to melt snow across the driveway, roof, gutter, or other protected area.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eAdvanced Control Functions\u003c\/h4\u003e\n\u003ctable class=\"yd-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eDefault\u003c\/th\u003e\n\u003cth\u003eSetting Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eF0 — Temperature Unit\u003c\/td\u003e\n\u003ctd\u003e°F\u003c\/td\u003e\n\u003ctd\u003e°F \/ °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF1 — Drying Delay Time\u003c\/td\u003e\n\u003ctd\u003e2 hours\u003c\/td\u003e\n\u003ctd\u003e0.5–9 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF2 — Air Temperature Calibration\u003c\/td\u003e\n\u003ctd\u003e0°F \/ 0°C\u003c\/td\u003e\n\u003ctd\u003e±9°F \/ ±5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF3 — Moisture Detection Threshold\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e10–990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF4 — Maximum Heating Alarm Time\u003c\/td\u003e\n\u003ctd\u003e36 hours\u003c\/td\u003e\n\u003ctd\u003e1–240 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF5 — Temperature Hysteresis\u003c\/td\u003e\n\u003ctd\u003e1°F \/ 1°C\u003c\/td\u003e\n\u003ctd\u003e1–18°F \/ 0.1–10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF6 — Total Heating Hours\u003c\/td\u003e\n\u003ctd\u003eView only\u003c\/td\u003e\n\u003ctd\u003eView only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF7 — Heating Cycle Counter\u003c\/td\u003e\n\u003ctd\u003eView only\u003c\/td\u003e\n\u003ctd\u003eView only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF8 — Software Version\u003c\/td\u003e\n\u003ctd\u003eView only\u003c\/td\u003e\n\u003ctd\u003eView only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF9 — Factory Reset\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo \/ Reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWeatherproof Enclosure SKU\u003c\/h4\u003e\n\u003ctable class=\"yd-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWeatherproof DIN rail controller enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use\u003c\/td\u003e\n\u003ctd\u003eProtecting the EFC1 controller in suitable outdoor installations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eTransparent access window\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Controller\u003c\/td\u003e\n\u003ctd\u003eNo — enclosure SKU only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Moisture Sensor\u003c\/td\u003e\n\u003ctd\u003eNo — enclosure SKU only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cdiv class=\"yd-product-section\"\u003e\n\u003ch4\u003eInstallation Overview\u003c\/h4\u003e\n\u003cp\u003eThe EFC1 is a DIN-rail electrical controller and must be installed and wired by a qualified electrician. The following information is intended as a pre-installation overview rather than a replacement for the complete instruction manual.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eSelect the correct EFS-G Ground Sensor or EFS-R Roof Sensor kit for the application.\u003c\/li\u003e\n\u003cli\u003eConfirm supply voltage, heating cable voltage, total current, circuit protection, and whether an external contactor is required.\u003c\/li\u003e\n\u003cli\u003eInstall the EFC1 indoors or inside a suitable weatherproof electrical enclosure.\u003c\/li\u003e\n\u003cli\u003eInstall the air temperature sensor outdoors in a shaded location away from direct sunlight, rain, and snow.\u003c\/li\u003e\n\u003cli\u003eInstall the selected moisture sensor where representative meltwater can reach the sensor surface.\u003c\/li\u003e\n\u003cli\u003eComplete power, load, grounding, and sensor wiring according to the wiring diagram in the instruction manual.\u003c\/li\u003e\n\u003cli\u003eRestore power, configure the operating temperature range and moisture settings, and test system operation before winter use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eController Installation\u003c\/h4\u003e\n\u003cdiv class=\"yd-install-grid\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDIN Rail Mounting\u003c\/strong\u003e \u003cspan\u003eMount the EFC1 on a standard 35 mm DIN rail.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProtect the Controller\u003c\/strong\u003e \u003cspan\u003eThe EFC1 is IP20 and must be installed indoors or inside a suitable weatherproof electrical enclosure.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMount Above Ground\u003c\/strong\u003e \u003cspan\u003eThe manual specifies installing the controller more than 19.7 in \/ 0.5 m above ground.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRecommended Installation Temperature\u003c\/strong\u003e \u003cspan\u003eInstall in an environment approximately 23–95°F \/ -5–35°C when possible.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdd Circuit Protection\u003c\/strong\u003e \u003cspan\u003eInstall appropriate circuit breaker and leakage\/GFCI protection in series with the controller.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGround the Heating System\u003c\/strong\u003e \u003cspan\u003eThe heating cable ground conductor must be connected to the mains grounding system.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eAir Temperature Sensor Placement\u003c\/h4\u003e\n\u003cdiv class=\"yd-do-dont-grid\"\u003e\n\u003cdiv class=\"yd-do-card\"\u003e\n\u003cstrong\u003eRecommended\u003c\/strong\u003e \u003cspan\u003eInstall the air temperature sensor in a shaded outdoor location protected from direct sunlight, rain, and snow. Under the eaves is recommended when available.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-dont-card\"\u003e\n\u003cstrong\u003eAvoid\u003c\/strong\u003e \u003cspan\u003eDo not route the air sensor cable alongside power wiring unless appropriate shielding is used, because electrical interference can affect temperature readings.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eEFS-G Ground Sensor Installation\u003c\/h4\u003e\n\u003cdiv class=\"yd-install-grid\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInstall Horizontally\u003c\/strong\u003e \u003cspan\u003eThe moisture sensor must be placed horizontally with its sensing surface facing upward, even when the surrounding paved area is sloped.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eKeep the Top Flush\u003c\/strong\u003e \u003cspan\u003eInstall on a solid concrete base with the sensor surface flush with the finished ground surface.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePosition Between Heating Cables\u003c\/strong\u003e \u003cspan\u003eKeep the sensor at least 0.8 in \/ 2 cm away from each adjacent heating cable.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eStay Away From the Edge\u003c\/strong\u003e \u003cspan\u003eKeep the sensor at least approximately 3.3 ft \/ 1 m from the edge of the snow melting area.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eChoose a Representative Wet Area\u003c\/strong\u003e \u003cspan\u003eInstall in a low, wet, shaded area where meltwater conditions represent the snow melting surface.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSeal Around the Sensor\u003c\/strong\u003e \u003cspan\u003eSeal gaps so meltwater flows over the sensing surface rather than draining into gaps around the sensor.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-alert-box\"\u003e\n\u003cp\u003eFor asphalt installations, replace the normal protective conduit with metal conduit and do not install the EFS-G sensor before paving. Protect sensor wiring and follow the complete installation instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eEFS-R Roof Sensor Placement\u003c\/h4\u003e\n\u003cp\u003eInstall the EFS-R in a roof, gutter, or drainage location where melting snow or ice water can reliably reach the moisture-sensing surface. Keep the sensor secured, unobstructed, and accessible for seasonal inspection and cleaning.\u003c\/p\u003e\n\u003ch4\u003eLoad Wiring\u003c\/h4\u003e\n\u003cdiv class=\"yd-notice-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe EFC1 LOAD terminals function as switching contacts and do not independently supply power to the heating cable.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFollow the 120V or 240V wiring diagram supplied with the controller. For loads above 16A, 3-phase systems, or supply voltages above 265V, use a properly rated external AC contactor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eWiFi Installation Notes\u003c\/h4\u003e\n\u003cdiv class=\"yd-install-grid\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e2.4 GHz WiFi Only\u003c\/strong\u003e \u003cspan\u003eThe controller requires a stable 2.4 GHz WiFi network for Smart Life app connectivity.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCheck Signal Before Final Mounting\u003c\/strong\u003e \u003cspan\u003eConfirm WiFi performance at the controller location before completing the enclosure installation.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePrefer Non-Metallic Enclosures\u003c\/strong\u003e \u003cspan\u003eA plastic or other non-metallic enclosure is recommended when possible for more reliable WiFi communication.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAvoid Fully Enclosed Metal Boxes\u003c\/strong\u003e \u003cspan\u003eA metal enclosure may weaken or block WiFi. Verify signal strength before final installation if a metal enclosure must be used.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eFor additional installation resources, visit the \u003ca href=\"\/pages\/installation-guide\"\u003e\u003cstrong\u003eYeloDeer Installation Guide\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"yd-product-section yd-faq-section\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich SKU should I choose?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eEFC1 + EFS-G Ground Sensor Kit\u003c\/strong\u003e for driveways, walkways, sidewalks, porches, ramps, loading docks, and similar paved snow melting surfaces.\u003c\/p\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eEFC1 + EFS-R Roof Sensor Kit\u003c\/strong\u003e for roof edges, gutters, downspouts, and roof drainage de-icing systems.\u003c\/p\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eWeatherproof Enclosure\u003c\/strong\u003e only when you need an enclosure for the controller. The enclosure SKU does not include the EFC1 controller or moisture sensor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the EFS-G and EFS-R sensors?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eBoth work with the same EFC1 controller and use moisture detection with an internal 5W sensor heater.\u003c\/p\u003e\n\u003cp\u003eThe EFS-G is a round ground sensor designed for horizontal, flush installation in paved snow melting surfaces. The EFS-R is a lower-profile roof sensor designed for roof, gutter, and downspout applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the controller detect snow directly?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eNo. The system detects water on the moisture sensor surface rather than snow itself.\u003c\/p\u003e\n\u003cp\u003eBecause snow and ice are poor electrical conductors, the moisture sensor uses its built-in heater to help melt snow or ice on the sensing surface. Once water is detected and the outdoor temperature is within the selected operating range, automatic heating can begin.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy might the system not start immediately when snowfall begins?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe sensor may need time to melt snow or ice on its surface into detectable water. This is normal for the moisture-detection method used by the system.\u003c\/p\u003e\n\u003cp\u003eThe controller also operates only when the outdoor temperature is within the configured operating range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use the EFC1 with both 120V and 240V snow melting systems?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eYes. The EFC1 accepts 85–265V AC, 50\/60Hz input and can be wired for compatible 120V or 240V systems.\u003c\/p\u003e\n\u003cp\u003eAlways confirm the heating cable voltage, circuit configuration, wiring method, grounding, and load before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan the controller power my heating cable directly?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe controller relay is rated for a maximum of 16A. For long-term continuous operation, keeping the direct connected load at or below 11A is recommended.\u003c\/p\u003e\n\u003cp\u003eFor loads above 16A, 3-phase systems, or systems above 265V, the EFC1 should control a properly rated external AC contactor rather than carry the full heating load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan the EFC1 controller be installed outdoors?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe EFC1 controller itself is rated IP20 and should not be directly exposed to outdoor weather.\u003c\/p\u003e\n\u003cp\u003eInstall it indoors or inside a suitable weatherproof electrical enclosure. For WiFi installations, a non-metallic enclosure is preferred when possible because metal can reduce WiFi signal strength.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat WiFi network does the controller require?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe EFC1 uses a 2.4 GHz WiFi network and supports remote control through the Smart Life app.\u003c\/p\u003e\n\u003cp\u003eCheck WiFi signal strength at the final installation location before completing the enclosure installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003ch3\u003eGuides\u003c\/h3\u003e\n\u003cdiv class=\"yd-product-section\"\u003e\n\u003ch4\u003eHow Automatic Mode Works\u003c\/h4\u003e\n\u003cdiv class=\"yd-scenario-grid\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e1. Monitor Outdoor Temperature\u003c\/strong\u003e \u003cspan\u003eThe controller continuously checks outdoor air temperature.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e2. Monitor Moisture\u003c\/strong\u003e \u003cspan\u003eWhen temperature enters the selected operating range, the system begins monitoring the moisture sensor.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e3. Start Heating\u003c\/strong\u003e \u003cspan\u003eWhen water is detected while temperature conditions are satisfied, the controller activates the connected heating system.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e4. Continue Through Drying Delay\u003c\/strong\u003e \u003cspan\u003eAfter moisture is no longer detected, heating continues for the preset drying-delay period before shutting off automatically.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eTemperature Range Logic\u003c\/h4\u003e\n\u003cdiv class=\"yd-choice-grid\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAbove Upper Limit\u003c\/strong\u003e \u003cspan\u003eConditions are considered too warm for normal snow or ice risk, so moisture monitoring does not operate.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBetween Upper \u0026amp; Lower Limits\u003c\/strong\u003e \u003cspan\u003eThe system monitors moisture and can activate heating when water is detected.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBelow Lower Limit\u003c\/strong\u003e \u003cspan\u003eThe controller stops automatic moisture monitoring because conditions may be too cold for effective melting or drainage.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-notice-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eExample from the manual:\u003c\/strong\u003e with an upper limit of 41°F \/ 5°C and a lower limit of 14°F \/ -10°C, moisture monitoring operates while outdoor temperature is between those limits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eForced Heating Mode\u003c\/h4\u003e\n\u003cp\u003eForced Heating Mode allows the connected heating system to operate continuously for a selected period without checking the normal temperature and moisture activation conditions.\u003c\/p\u003e\n\u003cdiv class=\"yd-category-grid\"\u003e\n\u003cdiv class=\"yd-category-card\"\u003e\n\u003cstrong\u003eTypical Uses\u003c\/strong\u003e\n\u003cdiv class=\"yd-mini-tags\"\u003e\n\u003cspan\u003eEmergency De-Icing\u003c\/span\u003e \u003cspan\u003eSystem Testing\u003c\/span\u003e \u003cspan\u003ePre-Heating\u003c\/span\u003e \u003cspan\u003eDrying Wet Surfaces\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yd-alert-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eForced Heating bypasses the normal automatic detection logic.\u003c\/strong\u003e Use it only when necessary and monitor the connected heating system appropriately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eBefore Each Winter Season\u003c\/h4\u003e\n\u003cdiv class=\"yd-check-grid\"\u003e\n\u003cspan\u003eInspect All Wiring Connections\u003c\/span\u003e \u003cspan\u003eInspect Heating Cable for Visible Damage\u003c\/span\u003e \u003cspan\u003eCheck GFCI \/ Leakage Protection\u003c\/span\u003e \u003cspan\u003eClean the Moisture Sensor Surface\u003c\/span\u003e \u003cspan\u003eRemove Leaves, Stones, Dirt, and Debris\u003c\/span\u003e \u003cspan\u003eConfirm Meltwater Can Drain Away\u003c\/span\u003e \u003cspan\u003eCheck Sensor Placement\u003c\/span\u003e \u003cspan\u003eRun a Short Test Before the First Snowfall\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch4\u003eSensor Care\u003c\/h4\u003e\n\u003cdiv class=\"yd-install-grid\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eKeep the Surface Clean\u003c\/strong\u003e \u003cspan\u003eLeaves, dirt, stones, ice blockage, or other debris can interfere with moisture detection and may trigger abnormal-operation alarms.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaintain Drainage\u003c\/strong\u003e \u003cspan\u003eWater must be able to reach and leave the sensing surface normally. Standing water or poor drainage can affect system operation.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInspect After Severe Weather\u003c\/strong\u003e \u003cspan\u003eCheck the sensor and surrounding area after heavy snowfall, ice accumulation, maintenance work, or unusual drainage conditions.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCheck Before Replacing Parts\u003c\/strong\u003e \u003cspan\u003eIf abnormal moisture detection occurs, first inspect sensor cleanliness, drainage, wiring, and physical condition.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eSystem Planning Checklist\u003c\/h4\u003e\n\u003cdiv class=\"yd-check-grid\"\u003e\n\u003cspan\u003eSelect EFS-G for Ground or EFS-R for Roof\u003c\/span\u003e \u003cspan\u003eConfirm Heating Cable Voltage\u003c\/span\u003e \u003cspan\u003eCalculate Total System Current\u003c\/span\u003e \u003cspan\u003eDetermine Whether a Contactor Is Required\u003c\/span\u003e \u003cspan\u003ePlan Controller Enclosure Location\u003c\/span\u003e \u003cspan\u003ePlan Air Temperature Sensor Location\u003c\/span\u003e \u003cspan\u003ePlan Moisture Sensor Location\u003c\/span\u003e \u003cspan\u003eProvide Circuit Breaker and Ground-Fault Protection\u003c\/span\u003e \u003cspan\u003eVerify Grounding\u003c\/span\u003e \u003cspan\u003eCheck 2.4 GHz WiFi Signal if App Control Is Needed\u003c\/span\u003e \u003cspan\u003eTest Automatic Operation\u003c\/span\u003e \u003cspan\u003eInspect the System Before Each Winter Season\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch4\u003eNeed Installation Help?\u003c\/h4\u003e\n\u003cp\u003eSee the \u003ca href=\"\/pages\/installation-guide\"\u003e\u003cstrong\u003eYeloDeer Installation Guide\u003c\/strong\u003e\u003c\/a\u003e for additional installation resources. For project-specific questions, contact \u003ca href=\"mailto:yelodeer@yelodeer.com\"\u003e\u003cstrong\u003eyelodeer@yelodeer.com\u003c\/strong\u003e\u003c\/a\u003e with your supply voltage, heating cable specifications, total load, application type, wiring plan, and installation photos.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"YeloDeer","offers":[{"title":"Ground Sensor Kit – EFC1 + EFS-G","offer_id":48601461752049,"sku":"EFC1-G","price":341.99,"currency_code":"USD","in_stock":true},{"title":"Roof Sensor Kit – EFC1 + EFS-R","offer_id":48601461784817,"sku":"EFC1‑R","price":341.99,"currency_code":"USD","in_stock":false},{"title":"Weatherproof Enclosure Only","offer_id":48601461817585,"sku":"EFC1-Box","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/2836\/9905\/files\/SnowMeltingController_9.jpg?v=1787045470","url":"https:\/\/yelodeer.com\/products\/wifi-snow-melting-controller","provider":"YeloDeer","version":"1.0","type":"link"}