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.
Wall furnace thermostat not working.
2 remove the thermostat s cover.
Had a new american standard furnace put in dec.
Tech swears it will but can t get him back out here.
Thermostat does not control temperature.
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.
12th with what was supposed to be a new thermostat.
That could be because the temperature around the thermostat.
That is okay if it would work right.
Using a regular thermometer as a guide adjust the thermostat s thermometer.
How to tell if your home thermostat is bad.
I have a lot of dust try running it on run only but it will not work on anything but auto.
I have it turned to off with it set on run no luck.
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.