
Open-Box: Honeywell CT33A1009 Heat-Only Economy Millivolt Thermostat
Known for being durable and easy to use, the Honeywell CT33A Thermostat offers simple manual controls to set your ideal room temperature. This Honeywell non-programmable thermostat uses low voltage controls for heat-only millivolt systems like fireplaces and wall heaters. An affordable option, this model is also mercury-free, simple to install, and comes with the required mounting hardware and wall plate.
Additional Features
- Heat-Only Systems: This model is compatible with 750-millivolt fireplaces and wall furnaces.
- Precise Temperature Control: Set your exact ideal room temperature.
- Celsius and Fahrenheit Display: This Honeywell non-programmable timer displays temperature in both degrees C and F.
- System Off: Move the lever to the far left to turn off the heating system.
- Honeywell Support: Honeywell offers various online and phone support resources for installation or service questions.
Known for being durable and easy to use, the Honeywell CT33A Thermostat offers simple manual controls to set your ideal room temperature. This Honeywell non-programmable thermostat uses low voltage controls for heat-only millivolt systems like fireplaces and wall heaters. An affordable option, this model is also mercury-free, simple to install, and comes with the required mounting hardware and wall plate.
Additional Features
- Heat-Only Systems: This model is compatible with 750-millivolt fireplaces and wall furnaces.
- Precise Temperature Control: Set your exact ideal room temperature.
- Celsius and Fahrenheit Display: This Honeywell non-programmable timer displays temperature in both degrees C and F.
- System Off: Move the lever to the far left to turn off the heating system.
- Honeywell Support: Honeywell offers various online and phone support resources for installation or service questions.
Original: $13.49
-70%$13.49
$4.05Description
Known for being durable and easy to use, the Honeywell CT33A Thermostat offers simple manual controls to set your ideal room temperature. This Honeywell non-programmable thermostat uses low voltage controls for heat-only millivolt systems like fireplaces and wall heaters. An affordable option, this model is also mercury-free, simple to install, and comes with the required mounting hardware and wall plate.
Additional Features
- Heat-Only Systems: This model is compatible with 750-millivolt fireplaces and wall furnaces.
- Precise Temperature Control: Set your exact ideal room temperature.
- Celsius and Fahrenheit Display: This Honeywell non-programmable timer displays temperature in both degrees C and F.
- System Off: Move the lever to the far left to turn off the heating system.
- Honeywell Support: Honeywell offers various online and phone support resources for installation or service questions.






















