The Heatwave system offers a programmable thermostat in all standard kits. We also offer two other options for thermostat options for those looking for expanded options.

M429 – Standard Programmable 7 day/4 Event, GFCI Protected Thermostat

  • Three programming schedules
  • Four events per day
  • Simple user interface
  • Pre-programmed for quick set-up
  • Class A GFCI Protection
  • Simple operation
  • Multi voltage: 120 – 240 volts
  • Output relay: 15 A
  • Large back-lit display for easy reading
  • Single thermostat for all applications (room, floor, room with floor limitation and as regulator)

Complete M429 User Manual

M429-TS – Touchscreen Programmable 7 day/4 Event, GFCI Protected Thermostat

  • 3.5” color screen with easy interactive touch control
  • New Easy Scheduling method and even easier on the fly changes
  • Three programming schedules
  • Multi voltage: 120 – 240 volts
  • Output relay: 15 A
  • Track power consumption
  • Universally compatible floor sensor
  • Built-in internal ambient air sensor
  • 5 year battery backup of clock and calendar
  • Class A GFCI Protection

Complete M429-TS User Manual

M429-WIFI – WIFI Capable Touchscreen Programmable 7 day/4 Event, GFCI Protected Thermostat

  • WLAN Enabled
  • Compatible with Google Home and Amazon Alexa
  • Same programming as M429-TS
  • Multi voltage: 120 – 240 volts
  • Output relay: 15 A
  • Track power consumption
  • Universally compatible floor sensor
  • Built-in internal ambient air sensor
  • 5 year battery backup of clock and calendar
  • Class A GFCI Protection

Complete M429-WIFI User Manual

M429-PM – GFCI Protected Power Module for Expansion

  • Compatible with M429, M429-TS & M429-WIFI
  • Multi voltage: 120 – 240 volts
  • Expands Heatwave by 15 amps each
  • Class A GFCI Protection
  • Talk to Heatizon for information about using this device


M429-SENSOR – Floor Sensor for Heatwave thermostats

  • Compatible with M429, M429-TS, & M429-WIFI Thermostats
  • The sensor cable may be extended with additional two-core cable. (98ft max)
  • 15 feet cable
  • Operating Temperature range: -4/+158 °F (-20/+70 °C)
  • Install secondary redundant backup or secondary location

Where to buy or upgrade:

You can purchase or upgrade thermostats at the following places:

  • Radiant Shop: Purchase Heatwave kits complete with thermostats , purchase replacement thermostats, sensors, and power modules for the Heatwave System.
    radiantshop.com
  • Amazon: Purchase standard and premium Heatwave kits complete with thermostats.
    amazon.com/heatwave
  • Tile Warming: Where to go for upgrading your thermostat, purchasing a replacement thermostat, and/or extra floor sensor.
    tilewarming.com