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?? Even if my system won't blow hard as it used to? Will it still manage to keep my house warm, and do it efficiently? Today in Indianapolis it's like 18 degrees.

labman,

Thanks for the reply.

I had it setup that way with the Honeywell programmable 5-2 (RTH6300B1056), and the furnace wasn't pushing as much air as with the old thermostat (I didn't...

Friends,

Okay here it is:

I have a Carrier Weathermaker 8000 (installed in 2000), and it has a standard thermostat. I want to put in a programmable thermostat with it, but... first I need to...

Mods, please Delete.

K.I.S.S.

Thanks so much!

Eric

?? No where in the Instructions/Diagrams does it show where common goes. THis model does use batteries for power, is it not used?

KISS,

Yes, it is the 44660. So RC1 and RH together = R? What about the Black Wire (that was C)?

Thanks,
Eric

Friends,

I can find plenty on how to hook up a new thermostat with a heat pump, but not for a gas furnace/electric a/c (Carrier).

My old thermostat has:

R = Red
Y/Y2 = Yellow
G = Green
C...