MasterHeat CommandPlus Wi-Fi Programmable Touchscreen Thermostat — Smart Floor Heating Control
The MasterHeat CommandPlus Wi-Fi Programmable Touchscreen Thermostat offers precise and intelligent control for your electric floor heating system. Designed with a modern interface and built-in GFCI protection, this dual-voltage (120/240V) thermostat combines convenience, safety, and smart connectivity in one sleek unit.
Easily manage your heating schedules and monitor energy usage directly from the Watts Home App—whether you’re at home or away. Featuring floor and air temperature sensing modes, guided setup, and an intuitive touchscreen, the CommandPlus delivers both comfort and control for residential or commercial installations.
Key Features
Wi-Fi Connectivity: Remote access and full system control via the Watts Home App
Dual Voltage Compatibility: Works with 120V or 240V floor heating systems
Touchscreen Interface: Large, easy-to-read, portrait display for effortless control
Flexible Temperature Control: Choose between floor-sensing or air-sensing modes
Energy Monitoring: Track and optimize power consumption for efficiency
Built-In GFCI Protection: Ensures safety and compliance with electrical standards
Easy Installation: Guided setup with comprehensive help screens
Scheduling Made Simple: Fully programmable for customized comfort
Includes Floor Sensor: Provides accurate floor temperature readings
Expandable Control: Compatible with SunStat R4 Relay (sold separately)
Note: This product is only compatible with the newer relays such as the MasterHeat 500880-BB and the Suntouch 500880-BB relays.
Specifications
Downloads
SKU
MH 81021155
In the Box
(1) 500950 Thermostat (Black)
(1) Thermostat Floor Sensor
(5) Wire Nuts (Marettes®)
(2) Mounting Screws
(1) Screwdriver
(1) Manual
UPC
840213022730
Non-Returnable
No
Manufacturer
MasterHeat
Warranty
3 Year Parts and Materials
Manufacturer Part Number
81021154
Voltage
120/240
Weight (lbs.)
2.00
Dimensions (L x W x H)
4-5/8″ x 2-19/20″ x 1-13/20″\n\n
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| Operation Voltage | 120/240 VAC, 60 Hz, 3 watts |
|---|---|
| Maximum Power | 1800 watts at 120 VAC 3600 watts at 240 VAC |
| Ambient conditions | 32 to 86°F (0 to 30°C), <90% RH non-condensing |
