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I am installing a RTH6500 Honeywell thermostat. My current
I am installing a RTH6500 Honeywell thermostat. My current one has a Rc wire. The Honeywell has a R and Rc connected with a jumper. Do I put the Rc wire in R or the Rc slot. Do I remove the jumper? … read more
Rick
Rick
Supervisor
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I'm installing a Hunter Thermostat. Previously I had a
I'm installing a Hunter Thermostat. Previously I had a Honeywell. What's confusing is the wiring codes. I purchased Model 44157 which has a loop wire between RC and RH. The instructions say to put the… read more
Rick
Rick
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I have a Lennox g61mpv that won't light. I installed a new
I have a Lennox g61mpv that won't light. I installed a new thermostat and that's when the problems started. Went back to the old and same thing. Red light flashes 1 every 4-5 second but won't go to he… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
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I just replaced my old thermostat and I 't know if the red
I just replaced my old thermostat and I don't know if the red wire goes to rc or r because after installed the red wire to r terminal I only get fan not cool air… read more
airheatman
airheatman
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I am trying to install a new thermostat (Honeywell Wifi Smart
I am trying to install a new thermostat (Honeywell Wifi Smart Thermostat RTH9580). My old thermostat had 6 wires attached (C, G, Y1, W, R and V). I have a Rheem High Efficiency Modulating Condensing G… read more
Appliance Guru
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I'm following up on the Honeywell thermostat replacement model
I'm following up on the Honeywell thermostat replacement model question. In that question it was asked what to do with the w1 wire and you replied place it in the E/Aux position. I get that but then y… read more
type2technician
type2technician
253 satisfied customers
Hey, I have a new home with an A/C Heat Pump system that was
Hey, I have a new home with an A/C Heat Pump system that was installed. A service tech came by and setup the wiring for the Nest just yesterday for me. He mentioned the Nest requiring 24V for both the… read more
airheatman
airheatman
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I need help wiring a lennox 65f9801 to a honeywell rth2410b1019.
I need help wiring a lennox 65f9801 to a honeywell rth2410b1019. The unit is an electric heat pump and the wiring diagram in the honeywell manual doesnt match the wires from the old lennox thermostat.… read more
airheatman
airheatman
HVAC Technician
9,851 satisfied customers
i just purchased a RTH6350D thermostat and finally managed
i just purchased a RTH6350D thermostat and finally managed to get the backplate on! the instructions say to remove the metal jumper if you have both R and Rc wires. i only have an R wire. question 1: … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
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I replaced my thermostat with a Honeywell RTH2310, the A/C
I replaced my thermostat with a Honeywell RTH2310, the A/C Unit works fine but I can not get the gas heater to come on? There was a red jumper wire on the new thermostat whick I removed per the instru… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
RS5110 2T thermostat wiring. I have an OLD thermostat.
RS5110 2T thermostat wiring. I have an OLD thermostat. 1970s? Wiring: Green, white, red & yellow codes. (Green post has a blue wire but I'm sure that's irrelevant. Just the rubber.) The Robt Shaw does… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
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I have a forced air system with oil heat and ac. My honeywell
I have a forced air system with oil heat and ac. My honeywell electronic thermostat started acting funny (the room temp displayed was not correct at times), so i bought a Lux TX9000TS thermostat. Said… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
i have an two old Honeywell analog thermostats and they have
i have an two old Honeywell analog thermostats and they have 2 R wires. New digital Thermostat I bought at Home Depot says "thermostat cannot be used if your old thermostat had any two of the followin… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I am switching from an analog thermostat to an digital thermo.
I am switching from an analog thermostat to an digital thermo. My analog only used 4 wires and the system i have is a AC/Heat Pump. The wires that were used on the old system were RC, O, G and Y howev… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,366 satisfied customers
I have an old carrier thermostat that I am replacing. The carrier
I have an old carrier thermostat that I am replacing. The carrier had four wires, G, W, Y, and R. However, the R wire was connected to a terminal labeled 4 as well. The new thermostat has terminals R,… read more
Mike
Mike
Service Tech/ Installer
High School or GED
153 satisfied customers
Hi, I just purchased a Honeywell RTH2300. When starting to
Hi, I just purchased a Honeywell RTH2300. When starting to install, I noticed my old Braeburn 3000 had he R RH & RC terminal. The book says I cannot use the Honeywell (page 6). Is there any way to use… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,927 satisfied customers
I want to connect Honeywell thermostat and I need help.
I need help connecting my Honeywell rth 6400 thermostat. Here's the problem, I am an idiot that did not label or understand how to label my wires. I have a green, white, red, and black wires from the … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,927 satisfied customers
I put in a new honeywell thermostat this winter. It is round
I put in a new honeywell thermostat this winter. It is round and not a digital. The heater works on it fine. However I can not get the air to kick on. I checked the breaker and it is fine. I checked t… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
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