MAXKOSKO Gutter Heat Tape Controller, Smart App Control Automatic De-Icing System
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Description
WiFi Roof De-Icing Cable Controller with Temperature and Moisture Sensors
MAXKOSKO WiFi Roof De-Icing Cable Controller automatically manages compatible 110–120V roof and gutter heating cables according to outdoor temperature and detected moisture.
In automatic mode, the controller supplies power only when the ambient temperature is approximately 38°F (3°C) or below and the moisture sensor detects water from melting snow or ice. This dual-sensor operation helps reduce unnecessary cable runtime while supporting more reliable ice dam prevention.
The controller can also be operated manually or remotely through the Smart Life app, allowing homeowners to check system status and manage roof heat cable operation from a compatible smartphone.
Dual-Sensor Control
Uses an outdoor temperature sensor and a separate moisture sensing cable to determine when roof de-icing heat is actually needed.
Automatic De-Icing Mode
Activates the connected heating cable when low temperature and moisture conditions are detected together.
Smart Life App Control
Connect to a 2.4 GHz WiFi network to view temperature, moisture status, heating status, and operating mode remotely.
Manual Heating Mode
Allows the roof heating cable to be turned on manually when additional heating is required.
Up to 15A / 1800W
Controls one compatible 110–120V roof de-icing cable with a maximum connected load of 15 amps or 1800 watts.
Outdoor-Rated Housing
The IP65-rated controller is designed for outdoor installation under a protected roof edge or eave.
Important Before Ordering
Confirm Your Roof Heating System
Controller Only: This product controls a separately installed roof and gutter heating cable. The roof de-icing cable is not included unless specifically stated in the selected product option.
One Cable per Controller: Connect only one roof heating cable to the controller. Do not combine multiple heating cables through splitters or extension connectors.
Maximum Electrical Load: The connected roof heat cable must be rated for 110–120V and must not exceed 15A or 1800W.
Dual-Sensor Operation: Automatic mode requires both sufficiently low outdoor temperature and moisture around the moisture sensing cable. Cold weather alone will not automatically activate the heating cable.
2.4 GHz WiFi Required: App setup supports 2.4 GHz WiFi and does not connect directly to a 5 GHz-only network.
Ground-Fault Protection: Use a properly grounded outdoor outlet with ground-fault protection as required by applicable electrical codes.
Correct Sensor Placement: Improper placement of either sensing component may prevent timely activation or cause inaccurate operation.
Correct Placement of Both Sensors
This controller uses two different sensing components. Each one must be positioned correctly for automatic roof de-icing operation.
1. Outdoor Temperature Sensor
The temperature sensor is located on the controller housing and measures ambient outdoor temperature. Mount the controller outdoors under the eave, close to the power outlet and protected from direct water exposure.
2. Moisture Sensor Wire
The separate moisture sensing cable must be placed directly on the roof and gutter surface where melting snow or ice can reach it. It should not hang in open air.
Moisture Sensor Placement Is Critical
Roof and Gutter Contact: Position the moisture sensor wire along the lowest area of the gutter and across the roof surface where meltwater is expected to flow.
Gutter Placement: Route the sensor wire along the bottom of the gutter, generally within approximately 2 inches of the roof edge. Pass it over at least one gutter support or suitable anchor so it can detect water collecting in the gutter.
Roof Placement: Follow one triangular section of the installed roof heating cable pattern. At the upper point of the triangle, extend the sensor wire at least 2 ft beyond the heating cable.
Do Not Place on the Heating Cable: The moisture sensor wire must not rest directly on top of the roof de-icing cable.
Do Not Suspend in Mid-Air: A sensor hanging above the roof or gutter may not detect meltwater, causing the heating system to activate too late or not activate at all.
Protect the Sensor: Secure the sensor with the supplied clips and protect it from sliding snow or ice. The sensor wire cannot be extended.
Specifications
| Product Type | WiFi Roof De-Icing Cable Controller |
| Primary Application | Automatic Control of Roof and Gutter Heating Cables |
| Rated Voltage | 110–120V AC |
| Maximum Current | 15A |
| Maximum Connected Load | 1800W |
| Automatic Activation Conditions | Approximately 38°F (3°C) or Below and Moisture Detected |
| Upper Temperature Limit | Approximately 46°F (8°C) |
| Control Methods | Automatic Mode, Manual Mode, Smart Life App |
| WiFi Requirement | 2.4 GHz WiFi Network |
| Wireless Setup | WiFi with Bluetooth-Assisted Pairing |
| Moisture Sensor Wire Length | 10 ft |
| Power Cord Length | 6 ft |
| Outdoor Rating | IP65 |
| Plug Type | Three-Prong Grounded Plug |
| Included Installation Hardware | 6 Shingle Clips, 2 Spacers and 3 Mounting Screws |
| Compatible Load | One Compatible Roof De-Icing Cable |
Automatic, Manual and App Control Modes View Modes Hide Modes
Automatic Mode
The controller activates the roof heating cable when the outdoor temperature is approximately 38°F (3°C) or below and the moisture sensor detects water. Both conditions must be present.
Manual Mode
Press the manual heating control to supply continuous power when needed. Manual heating stops when turned off or when the ambient temperature exceeds approximately 46°F (8°C).
Smart Life App
Use the app to switch operating modes, view current temperature, check moisture sensor status, monitor heating status, and select °F or °C.
Understanding Automatic Operation
Low Temperature Alone Is Not Enough: The controller will not energize the roof cable in automatic mode unless moisture is also detected around the sensor wire.
Snow Alone May Not Trigger the System: Dry snow that has not started melting may not activate the moisture sensor.
Sensor Placement Affects Response Time: Place the moisture sensor where meltwater reaches it early, not in a dry or elevated area.
Basic Installation Overview View Steps Hide Steps
Install the roof and gutter heating cable before connecting it to the controller. Review the complete controller manual and the roof cable manufacturer’s instructions before beginning.
Step 1: Install the Roof Cable
Complete the roof and gutter heating cable installation according to the heating cable manufacturer’s instructions.
Step 2: Mount the Controller
Mount the controller under the eave near a grounded outdoor outlet. Keep the connection protected from weather and form a drip loop in the power cord.
Step 3: Route the Moisture Sensor
Lay the sensor wire along the gutter bottom and roof surface where melting snow and ice will create water.
Step 4: Secure Both Cables
Use the supplied clips to secure the heating cable and sensor wire separately without placing the sensor directly over the heating cable.
Step 5: Connect the Roof Cable
Plug one compatible roof de-icing cable into the controller. Confirm that its total load does not exceed 15A or 1800W.
Step 6: Power and Pair
Plug the controller into the grounded outlet. Use the Smart Life app to complete 2.4 GHz WiFi pairing and confirm sensor status.
Installation Notes
Keep Connections Dry: Position the controller and receptacle under the eave and protected from direct water exposure.
Roofs Without Gutters: Route the moisture sensor along one triangular section of the roof heating cable pattern and secure the controller housing under the eave.
Metal or Membrane Roofs: Suitable adhesive clips may be required. Protect the sensor from sliding snow and ice that could damage or displace it.
Inspect Before Each Season: Check the controller, sensor wire, roof cable, clips, outlet, and electrical connections before winter operation.
Recommended Applications
This automatic roof heat cable controller is designed for residential and light commercial roof de-icing systems that require temperature and moisture-based operation.
- Roof edge ice dam prevention systems
- Roof and gutter heating cables
- Gutter and downspout freeze protection
- Asphalt shingle roof de-icing installations
- Compatible metal and membrane roof heating systems
- Residential homes, cabins, garages, and small commercial buildings
Frequently Asked Questions
Why does the controller have two sensing components?
The controller uses an outdoor temperature sensor to measure ambient temperature and a separate moisture sensor wire to detect water from melting snow or ice. Automatic heating begins only when both required conditions are detected.
Where should the moisture sensor wire be placed?
Place it directly on the roof and along the lowest part of the gutter where meltwater is expected to flow. It should remain in contact with the roof or gutter surface rather than hanging in open air.
Can the moisture sensor be installed directly on top of the heating cable?
No. Keep the moisture sensor wire beside the roof heating cable rather than directly on top of it. Direct contact may interfere with timely and accurate moisture detection.
Why does the cable not turn on when the weather is below 38°F?
In automatic mode, low temperature alone does not activate the system. The moisture sensor must also detect water. Check that the sensor is positioned where melting snow or ice can reach it.
Can I turn the heating cable on without detected moisture?
Yes. Manual mode allows heating to be activated when automatic conditions are not met. Manual heating remains active until turned off or until the ambient temperature exceeds approximately 46°F (8°C).
Does this controller work with 5 GHz WiFi?
No. Initial Smart Life app setup requires a 2.4 GHz WiFi network. Make sure Bluetooth is enabled on the phone during pairing.
How many roof heating cables can be connected?
Connect only one compatible roof de-icing cable. The cable must operate at 110–120V and must not exceed 15A or 1800W.
Can the moisture sensor wire be extended?
No. The sensor wire cannot be extended. Confirm before installation that the supplied sensor can reach the roof and gutter areas where melting is expected.
Guides & Resources
Read the Installation Manual Before Use
Correct placement of the controller housing and moisture sensor is essential for reliable automatic roof de-icing operation.
- Mount the temperature-sensing controller housing outdoors under the eave.
- Place the moisture sensor directly on the roof and gutter surfaces.
- Keep the moisture sensor separate from the roof heating cable.
- Do not leave the sensor suspended in the air.
- Confirm the roof cable is below 15A and 1800W.
- Use a properly grounded and code-compliant outdoor electrical circuit.
Refer to the complete product manual for detailed mounting diagrams, Smart Life app setup, operating indicators, and seasonal inspection requirements.
Questions & Answers
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