MasterHeat CommandPlus Wi-Fi 500850 Programmable Touchscreen Thermostat

The MasterHeat CommandPlus Wi-Fi 500850 Programmable Touchscreen Thermostat is a professional-grade solution for controlling electric radiant floor heating systems. Designed for flooring contractors and installers, it features Wi-Fi connectivity with remote access via a smartphone app, a multi-color touchscreen display, built-in GFCI safety protection, integrated relay, and an easy-to-use 7-day programmable schedule for efficient, reliable heated floor management on any jobsite.

$119.95

Brand: MasterHeat

Availability: Sold In Store - Ships From Store (109 available in store). (More Info)

Shipping: Free to Continental US (More Info)

SKU
MH 81021155

MasterHeat CommandPlus Wi-Fi 500850 Programmable Touchscreen Thermostat – Smart Control for Electric Floor Heating Systems

Enhance your radiant floor heating installations with the MasterHeat CommandPlus Wi-Fi 500850 Programmable Touchscreen Thermostat, engineered for professional-grade performance in residential and commercial flooring projects. Designed with flooring contractors and construction industry pros in mind, this advanced electric floor heating thermostat offers reliable, easy-to-use control for optimal comfort and energy efficiency.

Featuring built-in Wi-Fi connectivity and seamless integration with the Watts® Home mobile app, this smart thermostat lets you adjust and monitor floor heating systems remotely — perfect for managing your home from anywhere.

Key Features for Flooring and Construction Professionals:

  • Slim, modern profile with a removable, paintable beauty ring to match any project’s design.
  • Wi-Fi enabled control via the Watts® Home app for smartphones and tablets.
  • Multi-color touchscreen display options for customizable visuals on-site.
  • Integrated 15mA GFCI protection and built-in relay for safety and code compliance.
  • Dual-voltage (120/240 VAC) compatibility, ideal for a wide range of electric radiant floor heating installations.
  • User-friendly 7-day programmable scheduling to maximize energy savings and occupant comfort.
  • Real-time energy usage monitoring for improved system management and operational efficiency.
  • Comprehensive on-screen help and setup guides for quick, hassle-free installation and programming.
  • Smart home integration ready, allowing for advanced home automation tie-ins.
  • Backed by a 3-year manufacturer warranty for long-term peace of mind.

Whether you’re upgrading a bathroom renovation, managing multi-unit residential developments, or installing heated floors in luxury homes, the MasterHeat CommandPlus Wi-Fi 500850 is the trusted, high-performance thermostat solution for professional flooring and construction applications.

Bullet-Point Quick Spec List:

  • Wi-Fi control via Watts® Home app
  • Multi-color programmable touchscreen display
  • 7-day scheduling for customized heating cycles
  • Integrated 15mA GFCI safety protection
  • Dual-voltage compatibility: 120/240 VAC
  • Energy usage monitoring and home automation ready
  • Includes 3-year manufacturer warranty

Note: This product is only compatible with the newer relays such as the MasterHeat 500880-BB and the Suntouch 500880-BB relays.

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More Information
SKUMH 81021155
In the Box
  • (1) 500850 Thermostat
  • (1) Thermostat Floor Sensor
  • (5) Wire Nuts (Marettes®)
  • (2) Mounting Screws
  • (1) Screwdriver
  • (1) Manual
Non-ReturnableNo
ManufacturerMasterHeat
Warranty3 Year Parts and Materials
Manufacturer Part Number81021155
Voltage120/240
Weight (lbs.)2.00
Dimensions (L x W x H)4-5/8" x 2-19/20" x 1-13/20"
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