Resideo - Honeywell Home TH401 Thermostat

Introducing the Resideo Honeywell Home TH401 Thermostat — a 2-wire digital non-programmable, line voltage thermostat designed for reliable hardwired control.

Its rectangular vertical white cover fits discreetly in utility spaces while delivering consistent temperature regulation for heating systems.

The TH401 operates on 120/208/240V AC at 60 Hz and uses a thermistor sensor for precise sensing. This hardwired thermostat features an SPST switch and robust power handling up to 2500W at 240V (1250W at 120V).

Setpoint range is 40–85°F, and it performs reliably within ambient temperatures 32–122°F. CSA approved for safety, the TH401 is a straightforward choice for dependable line voltage control in residential or light commercial applications.

Key features

• 2-wire digital non-programmable thermostat
• Line voltage operation: 120/208/240V, 60 Hz
• Hardwired power method with SPST switch
• Power rating: 2500W (240V) / 1250W (120V)
• Ambient operating 32–122°F; setpoint 40–85°F
• Thermistor sensor; rectangular vertical white cover
• CSA approved for safety and reliability