Gas furnace shuts off before set temp reached

Problems related to residential installations.

Gas furnace shuts off before set temp reached

Postby jcs44 » Tue Dec 21, 2010 3:00 pm

When my gas furnace comes on in the morning, it runs for a few minutes and then shuts off before the set temp is reached. After sitting for a few minutes it will come back on. This cycle seems to continue until the set temp is reached and it seems to be OK the rest of the day. The programmable thermostat turns it down about 4 deg at night. I can force to come back on by cycling the on/off switch at the furnace. The electronic ignighter was replaced last week. Any ideas?

thanks, jcs44
jcs44
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