Gas and Oil Home Heating Furnaces - thermostat

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tefields31
04-13-06, 07:14 PM
What would make you loose power to the heat side only of your
thermostat. The a/c works fine. no power when I turn it to
heat.

mbk3
04-13-06, 09:37 PM
Did you recently replace it....if yes ....you may need to to have jumper between rh & rc
Jay11J
04-13-06, 09:38 PM
What kind of system do you have? (Hot water heat and A/C system in the attic?)

tefields31
04-17-06, 06:19 PM
I have a tempstar gas pack down stairs (thermostat that is
giving me the trouble is a digital honeywell). My upstairs unit
is an attic furnace and seperate a/c unit. It is working fine.
Jay11J
04-17-06, 06:24 PM
You should have a steady power of about 24 volts at all times on R at t-stat. If you have 24 volts, and the display comes an goes, i'd say time for a new t-stat.
tefields31
04-18-06, 08:32 PM
Thanks for the advice will pick one up tomorrow and let you
know if its fixed.: