I am attempting to replace our Weathertron thermostat with a Honeywell RTH3100C. We have a Trane heatpump system. I am having trouble with the wiring. My wires don't match the 'less common wire designations' in the manual. I have the following wires on the Weathertron: R-red T-brown O-orange...

I am replacing my old Honeywell mecury thermostat with a programmable Honeywell RTH230B. I have two unmarked wires (red & white) connected to the old thermostat. I know, given my furnace, that I need to use connections "RH" and "W" on my new thermostat. What wire, Red/White goes to what...

I am replacing a 13 yr. old White-Rodgers Mechanical thermostat (couldn't find model # on website) with a Honeywell 5-1-1 Digital thermostat. The wiring was as follows for White-Rodgers: Green = G Yellow = Y White = W Red = RH jumpered to RC The Honeywell has terminals for

I am replacing an old standard Honeywell thermostat (model T8034C) with a Hunter programmable digital model 44110. I have a 5-wire system. The wires are color coded and the Honeywell labels match the wire colors. Those are: White, Yellow, Green, Orange, and Red. THe only labels on the...

Hi! I've just removed my Honeywell Thermostat and am trying to replace it with a Noma programmable tstat... but am having problems with the wiring. There are 5 wires coming out of the wall - Green, Black, Orange, Red and White, and only 4 posts on the Noma tstat (Green, Red, Yellow and White). ...