What is the voltage on in line thermostats for ceiling heat?

Answered by Brendan ~ December 22, 2010 ~ No Comments

We want to use the in line thermostats for my ceiling heat to install in wall fan forced heaters such as Cadet. At home depot all of the Cadet in wall heaters are 240 volt. And I was wondering if the power to the thermostats would work or if new wires would need to be ran.

Allen M ~ Junction City, Oregon

Brendan Fowler

You should be able to use the existing wires for your thermostat depending on the age of the thermostat you are going to replace. In some older homes that have only heat and no air conditioning there are only two wires running to the thermostat. If this is the case in your home, there may not be enough leads to connect the new heating unit to the new thermostat. There should be 4 or more wires (red, blue, green, yellow, white) depending on the age of the thermostat. It will probably be a 24VAC thermostat with batteries. Generally, all HVAC units run on the same type of thermostat wire. Be sure to follow the directions on both the new heating unit as well as the thermostat when hooking everything up because improper wiring can damage the equipment. Good Luck!

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