Use Master Thermostats with a Dual Voltage Power Module when utilizing floor heating systems covering more than 240 square feet of flooring and using a 240-volt circuit, or when covering 120 square feet of flooring with a 120 volt circuit. All Master Thermostats need at least one (but can hold up to ten) Dual Voltage Power Module, each of which supplies an added 15 AMPS of service.
Features
- Dual-voltage thermostat power module with GFCI and 5mA/15
Amp
- For use with WarmlyYours Dual-Voltage 12VDC Master
Thermostats