Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your SunTouch ConnectPlus WarmWire Under Floor Heating Kit. Please read this manual thoroughly before beginning installation or operation to ensure safe and efficient use of the product. This kit is designed to provide radiant floor heating for areas up to 10 square feet, operating at 120V.

Figure 1: SunTouch ConnectPlus WarmWire Under Floor Heating Kit components.
Safety Information
Always follow local electrical codes and consult a qualified electrician for installation. Ensure power is disconnected before any installation or maintenance. Do not cut the heating cable. Avoid damaging the cable during installation. The system must be protected by a Ground Fault Circuit Interrupter (GFCI).
Setup and Installation
The WarmWire heating cable is designed for installation beneath tile, stone, wood, or laminate flooring. It can be installed over plywood, backer board, or concrete slab. Maintain a 3-inch spacing for the heating cable. The cable cannot be cut to fit; plan your layout carefully to accommodate the entire length of the cable within the desired heating area.

Figure 2: Example of WarmWire heating cable installation on a subfloor.
Installation Steps Overview:
- Prepare the Subfloor: Ensure the subfloor is clean, level, and structurally sound.
- Plan the Layout: Determine the heating area and plan the cable routing, ensuring 3-inch spacing and avoiding obstructions.
- Install the Heating Cable: Secure the WarmWire cable to the subfloor using appropriate methods (e.g., strapping, hot glue) according to the planned layout.
- Install the Floor Sensor: Place the floor sensor cable between two runs of heating cable, centered within the heated area, and route it to the thermostat location.
- Connect to Thermostat: Route the heating cable leads and floor sensor cable to the electrical box where the SunStat ConnectPlus Wi-Fi Thermostat will be installed.
- Test the System: Before covering the cable, perform resistance tests as per the detailed instructions in the full installation guide to ensure proper functionality.
- Apply Self-Leveling Mortar/Thin-Set: Cover the heating cable and sensor with a suitable self-leveling mortar or thin-set, ensuring full encapsulation.
- Install Flooring: Once the mortar/thin-set has cured, install your chosen flooring material.
Helpful Installation Videos:
SunTouch ConnectPlus Installation Video
This video provides a visual guide to the installation process of the SunTouch ConnectPlus system, demonstrating key steps for proper setup.
SunTouch Warm Wire ConnectPlus Kit Overview
An overview of the SunTouch WarmWire ConnectPlus Kit, detailing its components and general installation considerations.
Operating the SunStat ConnectPlus Wi-Fi Thermostat
The SunStat ConnectPlus Wi-Fi Thermostat offers advanced control over your floor heating system. It features a large touchscreen display and can operate in either floor or air-sensing temperature control modes. Monitor energy usage directly from the thermostat or via the mobile app.

Figure 3: SunStat ConnectPlus Wi-Fi Thermostat in a home setting.
Key Features:
- Touchscreen Interface: Easily adjust settings and view system status.
- Floor or Air Sensing: Choose your preferred temperature control method for optimal comfort.
- Energy Use Monitoring: Track your heating system's energy consumption.
- Voice Control: Compatible with Amazon Alexa and Hey Google for hands-free operation.
- Watts Home Mobile App: Control your system remotely from anywhere using the free app (available on App Store and Google Play).
- Overcurrent and Voltage-Level Sensing: Built-in safety features to protect your system.

Figure 4: SunStat ConnectPlus Thermostat features overview.

Figure 5: Remote control via the Watts Home App.
Maintenance
The SunTouch WarmWire system is designed for minimal maintenance. Once installed and properly covered by flooring, the heating cable requires no routine maintenance. Periodically check the SunStat ConnectPlus Wi-Fi Thermostat for any error codes or unusual behavior. Ensure the thermostat's screen is clean for optimal touch response. Keep the Watts Home app updated to the latest version for access to new features and security improvements.
Troubleshooting
If your heating system is not functioning as expected, consider the following basic troubleshooting steps:
- No Heat: Check the circuit breaker for the heating system. Ensure the thermostat is set to a temperature above the current floor/air temperature. Verify the thermostat is powered on and not displaying any error codes.
- Thermostat Not Responding: Ensure the thermostat is properly seated on its base. If using the Watts Home app, check your Wi-Fi connection and ensure the app is updated.
- Uneven Heating: This is rare with properly installed WarmWire. Ensure the floor sensor is correctly placed and not damaged.
- Error Codes: Refer to the full SunStat ConnectPlus Wi-Fi Thermostat manual for specific error code interpretations and solutions.
For persistent issues, contact SunTouch customer support or a qualified electrician.
Specifications
| Feature | Detail |
|---|---|
| Brand | SunTouch |
| Model Name | WarmWire |
| Item Model Number | 120010WD-KIT-CPWiFi |
| UPC | 840213021818 |
| Voltage | 120 Volts |
| Wattage | 120 watts |
| Heated Area | 10 Sq. Ft. (with 3" spacing) |
| Controller Type | Amazon Alexa, Android, iOS |
| Connectivity Technology | Wi-Fi |
| Included Components | 120V Heating wire, ConnectPlus Thermostat, floor sensor, instruction manual |
| Material | Plastic (Thermostat) |
| Item Weight | 4.64 pounds |
| Product Dimensions | 11.25 x 13.56 x 10.5 inches |
| Specification Met | UL Listed |
Warranty and Support
SunTouch products are backed by over 30 years of experience in electric radiant heating. For detailed warranty information and technical support, please refer to the official SunTouch website or contact their customer service. SunTouch is committed to delivering quality products and world-class support.
Visit the SunTouch Store on Amazon for more products and information.





