Gas and Oil Home Heating Furnaces - Gas Furnace stops too soon

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asd123321
10-03-08, 07:03 PM
1972 Bryant and Honeywell Thermostat. With new season, it doesn't get to temperature set. Then it starts burners for 10 seconds or runs pilot light with stronger force than usual every couple minutes. If I set it to 88, I can get it to 75 but then it starts doing the previously mentioned things.

Jay11J
10-03-08, 08:41 PM
Then it starts burners for 10 seconds or runs pilot light with stronger force than usual every couple minutes.
Not sure what you mean by this... Is the pilot burning all times, or is there something that ignite it then starts the burners?

If I set it to 88, I can get it to 75 but then it starts doing the previously mentioned things.
So, if you bump the t-stat high, it will stay running the whole time?
asd123321
10-04-08, 06:57 PM
The pilot is designed to be on always and the furnace would stop at 75 if set to 88