HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Connect one-on-one with {0} who will answer your question

Related HVAC Questions
Trying to convert a Lennox 65F9801 heat pump thermostat to a
Trying to convert a Lennox 65F9801 heat pump thermostat to a Honeywell RTH3100C. Current wiring, … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
Lennox 65f9801 with heat pump to honeywell rth7600d1030
lennox 65f9801 with heat pump to honeywell rth7600d1030 thermostat wiring diagram conversion… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
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
Heating & Air Conditioning Contractor
6 years college
9,792 satisfied customers
HI RICHARD... I HAVE AN OLD LENNOX 2 STAGE THERMOSTAT WITH
HI RICHARD... I HAVE AN OLD LENNOX 2 STAGE THERMOSTAT WITH TERMINALS LABELED V AND VR I HAVE AN OLD LENNOX HEAT PUMP THERMOSTAT TERMINALS LABELED V VR A M Y F R X CAN YOU TELL ME HOW THIS TRANSFERS TO… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,416 satisfied customers
I am trying to replace a mercury thermostat (Lennox 3AAB83D38A1)
I am trying to replace a mercury thermostat (Lennox 3AAB83D38A1) with a digital Honeywell RTH3100C. I have a 12 yr old all electric Lennox Elite 11 HP29 heat pump with auxiliary heat.The connections a… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
Im trying to replace my old Lennox Heat Pump thermostat with
I'm trying to replace my old Lennox Heat Pump thermostat with a new Hunter Programmable Thermostat. The instructions don't quite line up with the wiring. The old model is LENNOX Two Speed Heat Pump 66… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,416 satisfied customers
My old thermostat had both V and VR wires (Lennox heat pump),
My old thermostat had both V and VR wires (Lennox heat pump), the Honeywell RTH6350/RTH6450 thermostat I just bought tells me I need to call a certified technician. Too bad the exterior packaging didn… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,416 satisfied customers
Im trying to replace my old Lennox thermostat (72f1101) with
I'm trying to replace my old Lennox thermostat (72f1101) with a lux (tx1500e). Is the compatible? The wiring diagram doesnt seem to match… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,416 satisfied customers
il chage my old thermo lennox t874r1178 for a honeywell rth8500
i'l chage my old thermo lennox t874r1178 for a honeywell rth8500 and the wiring for heat pumps did not match. wiring old thermo R Y X F V Vr E L M A.WIRING NEW Rc R O\B Y G C L E AUX.… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,416 satisfied customers
I have an older lennox thermostat and the part number is 14G2701.
I have an older lennox thermostat and the part number is XXXXX The numbers below are 3AAB82B38A2. The wires used before are brown, pink, blue, black, orange, yellow, red, and green. They connect to AV… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,416 satisfied customers
I have an older lennox thermostat and the part number is 14G2701.
I have an older lennox thermostat and the part number is XXXXX The numbers below are 3AAB82B38A2. The wires used before are brown, pink, blue, black, orange, yellow, red, and green. They connect to AV… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,114 satisfied customers
Bought Honeywell thermostat RTH3100C from amazon.com. I have
Bought Honeywell thermostat RTH3100C from amazon.com. I have a LENOX Heat Pump. The wires that are connected in my current thermostat go to terminals F, M, Y, V, and R. None of these match your choice… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,114 satisfied customers
I have a lennox heat pump 32 years old. want to change out
I have a lennox heat pump 32 years old. want to change out thermostat model t872r1131 terminals on t-stat are Y=white M=red R=black V=blue red jumper to VR=orange x=yellow e=green f=brown. I want to i… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,416 satisfied customers
i have a lenox ecb10 thermostat. replacing it with a new hunter
i have a lenox ecb10 thermostat. replacing it with a new hunter 44860 belive i have it wired correct but nothing works. old thermostat has R, L, A, V, M, E, Y, F, VR, and X. belive they should be R = … read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,416 satisfied customers
have a hunter thermostat y1 y2 w2 g rh rc/r L c o E w1 B
have a hunter thermostat y1 y2 w2 g rh rc/r L c o E w1 B ok on the pannel of the lennox unit it my wires are orange , purple, brown, blue, black, white, red, yellow...it says the thermostat is L and g… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,416 satisfied customers
Hello I have a Lennox 14G2701 and am replacing it with a Honeywell
Hello I have a Lennox 14G2701 and am replacing it with a Honeywell RTH7500D. Current wires F=Green M=Red L=Brown X=Yellow Y= Orange and Red? VR - V= Blue (VR-V are jumped) A= Purple R=Black E= White H… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
I have an old Lennox thermostat (model# T872R1131 can be found
I have an old Lennox thermostat (model# XXXXX can be found printed inside the unit, also found Q672L1144 stamped on the sub base), and I'm not seeing how to match up the wires with a new RiteTemp mode… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
im still trying to find out how to wire in a new honeywell
i'm still trying to find out how to wire in a new honeywell t'stat. I'm replacing an oldddd T872R1040...with vr,v,f,r,m,y,x terminals.....does anyone have a conversion chart to tell me how those termi… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

Phil

Phil

Mechanical Engineer

8,427 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

HVAC Technician

3,133 satisfied customers

35 years experience, HVAC

Matthew

Matthew

HVAC Technician

2,014 satisfied customers

14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,029 satisfied customers

I have been an HVAC/R mechanic/technician for 30+ years.

Kenton Guidry

Kenton Guidry

HVAC Technician

963 satisfied customers

12 years install/service experience.

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x