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Snow and Ice Melting WiFi Control Support

Snow and Ice Melting WiFi Control Support

This support page provides publications, manuals, videos, support articles, and common support questions for the Snow and Ice Melting WiFi Control product line.

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Support Questions

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GFEP is the National Electric Code (NEC) required protection for fixed outdoor deicing and snow-melting equipment, which may be accomplished by using circuit breakers equipped with ground-fault equipment protection (GFEP) of 30 mA. It is important to understand that this required equipment protection is NOT the same as a 5 mA GFCI used for personal protection.

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When the design requirement's amp draw exceeds the selected controller's capacity.

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Yes — when the My Leviton app has a scheduled event programmed, that event will override any manual change at the time it fires.

For example: if the app is set to turn the towel warmer off at 9:00 AM and you manually turn it on at 8:50 AM, the app will switch it back off at 9:00 AM as programmed.

To keep your manual override in effect:

  • Disable or delete the scheduled event in the My Leviton app before making your manual change, or
  • Use the switch's physical button after the scheduled event fires — the switch will stay in the manually set state until the next scheduled event triggers.

This behavior applies to the Hardwired WiFi Switch (GK16-30090-0003) used with the My Leviton app.

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The most common spacing for snow melting systems is 3“ from wire to wire. However, we can design snow melting systems based on your local climate and weather expectations that might have different cable spacings to ensure the most efficient system possible. We also offer snow melting mats with 3" and 4" spacing.

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In an area free of obstruction and able to detect rain or snow, yet low enough so that it is easily accessible if service is needed. Atop a fence post or on an 'L' bracket on the side of a building are common.

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The electrician must route the cold lead(s) through rigid metal conduit(s) or other approved means, to get back to an accessible weatherproof junction box(s). Care must be taken by the electrician so that none of the heated section of Cable enters the conduit(s).

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It depends on how the system is intended to operate. If the expectation is manual operation (ex. WiFi or Timer Control), then no sensors are required. If the expectation is automatic operation, then the system will require at least one snow sensor.

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Minimum is 1.5“ and Maximum is 2.5“

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Ground fault equipment protection (GFEP) is intended to provide protection for equipment against damaging line-to-ground currents by disconnecting all ungrounded conductors of the faulted circuit.

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No, a sensor is not required with the snow melt system. However, certain automatic controllers require a temperature/moisture sensor to sense atmospheric conditions and may also require an in-slab, high temperature limit sensor to be installed (notably, asphalt installations).

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If the Hardwired WiFi Switch (GK16-30090-0003) is switching your towel warmer off unexpectedly, work through these steps in order:

  1. Check for hidden schedules or automations
    In the My Leviton app, review all scheduled events, Scenes, and Rules — not just the main schedule. An automation rule (e.g., "turn off at sunset") can trigger the switch even if no timed schedule is visible.
  2. Update the switch firmware
    Open My Leviton → Device Settings for the switch → check for a firmware update. Outdated firmware is a common cause of unscheduled switching behavior.
  3. Soft-reset the switch
    Turn off the circuit breaker controlling the WiFi switch, wait 10 seconds, then turn it back on. This resets the switch without clearing your app settings.
  4. Factory reset and re-pair
    If the issue persists: in My Leviton go to Device Settings → Remove Device, then re-add the switch from scratch. This clears all stored rules and schedules on the switch itself.

If none of these steps resolve the issue, contact WarmlyYours technical support at 1-800-875-5285 (available 24/7).

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A 2 pole single-phase 240V circuit works by continuously monitoring the current flowing through both hot wires of the circuit. If it detects even a slight imbalance between the current on each hot wire (indicating a ground fault), it will quickly trip, cutting off power to the circuit. Essentially, it compares each leg of the 240V circuit and trips if they are not precisely equal.

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This feature prevents the snow melting system from running, by default, in temperatures below 17°F (–8.33°C), or as set by the user. At temperatures this low, it becomes difficult for the system to effectively melt the snow. It is, however, possible to turn off this feature should the system be required to keep running during these low temperatures.

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The best home features for cold climates include a simple gable roof to shed snow, covered entrances for protection, airtight triple-pane windows to prevent heat loss, and radiant heating systems. These features work together to maintain interior warmth, reduce energy bills by up to 25%, and ensure structural safety during harsh winters.

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