Wall Furnace Thermostat Not Working

How to tell if your home thermostat is bad. That is okay if it would work right. If your heater isn t working but you can see a steady blue pilot flame the thermostat may not be signaling the heater to come on.

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1 turn the power off to the heating system.

Wall furnace thermostat not working.

That could be because the temperature around the thermostat. I have a lot of dust try running it on run only but it will not work on anything but auto. When your thermostat says one temperature and you know the room is another it may be dirty tilted on the wall or located where it can t get a proper reading. Had a new american standard furnace put in dec.

Thermostat does not control temperature. 12th with what was supposed to be a new thermostat. The thermostat controls both the heating and cooling systems of homes with central heat and air conditioning or just the furnace in homes without air. 2 remove the thermostat s cover.

To adjust the thermometer remove the thermostat from the wall. Using a regular thermometer as a guide adjust the thermostat s thermometer. I have it turned to off with it set on run no luck. Tech swears it will but can t get him back out here.

On the backside of the thermostat directly behind the mercury switch and coil on the front you ll find a small metal nib some models have a slot for a screwdriver.

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