HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Currently have a P271-3457. Uses 7 wires: yellow - Y. Yellow
Currently have a Bryant P271-3457. Uses 7 wires: yellow - Y … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,754 satisfied customers
I have a Payne P271-3457 and want to replace it with
I have a Payne P271-3457 and want to replace it with Braeburn 5220 thermostat, could you assist me with the wiring diagram … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
15,666 satisfied customers
I just replaced an old mercury switch thermostat # P271-3457
I just replaced an old Bryant mercury switch thermostat # P271-3457 with an Emerson 1f72-151. My Bryant had a blue wire to the w1 terminal but the new thermostat only has w2. also I had a white wire a… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
15,666 satisfied customers
A BROKEN BRYRANT P271-3457, INSTALLING A HONEYWELL RTH636OD.
I AM EXCHANGING A BROKEN BRYRANT P271-3457, INSTALLING A HONEYWELL RTH636OD … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
15,666 satisfied customers
I want to replace a Bryant Thermostat P271-3457 with a Honeywell
I want to replace a Bryant Thermostat P271-3457 with a Honeywell Thermostat RTH3100C. The P271 is wired Yellow to Y, Green to G, Red to R, Orange to O, White to W1, White Jumper from W1 to E, Black to… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
How do I change wires on thermostat from old Bryant heatpump
How do I change wires on thermostat from old Bryant heatpump thermostat P271-3457 to a new Honeywell 2C/1F TH3210D(Pro3000series)?… read more
Appliance Guru
Appliance Guru
23,625 satisfied customers
want to replace a P271-3457 with a PRO1 T855, which terminals
want to replace a P271-3457 with a PRO1 T855, which terminals do I use for w1,w2,and e off the old thermostat. the t855 only has w/e and w2… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,490 satisfied customers
Im trying to install a new thermostat, I disconnected the
I'm trying to install a new thermostat, I disconnected the old one and now I see that I have several wires to connect to the new one with colors. I need to figure each one of those wires and what they… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,754 satisfied customers
I have a Bryant thermostat number P271-3457 with auxiliary
I have a Bryant thermostat number P271-3457 with auxiliary heat which runs as heat pump, auxiliary heat and emergency heat. The thermostat has a blue light which illuminates when Auxiliary heat is on … read more
MRANSWER
MRANSWER
TECHNICIAN
Bachelor's Degree
7,382 satisfied customers
I have a Lux TX9000LC thermostat and need wiring instructions.
I have a Lux TX9000LC thermostat and need wiring instructions. I have wires that are yellow/red/black/white/blue (one of each ccolor) hooked to my present thermostat. Will this thermostat work? Ron Ha… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
I am looking to replace my outdated mercury thermostat with
I am looking to replace my outdated mercury thermostat with a programmable thermostat. Currently it is a Bryant Heat Pump system, with numebrs on the thermostat saying P271-3457 and 3AAT86BI4AI. The w… read more
N4IEA
N4IEA
NATE Certified; HVAC Technician
Associate Degree
227 satisfied customers
I am replacing a Byrant p271-3456 thermostat with a honeywell
I am replacing a Byrant p271-3456 thermostat with a honeywell RTH6350D Programable one , i am over whelmed by the wiring and where each wire goes can you give directions on which wire goes where ?… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,490 satisfied customers
I am connecting a Bryant 542G (2 heat 1 cool) heat pump with
I am connecting a Bryant 542G (2 heat 1 cool) heat pump with aux heat strips, to a Honeywell RTH6350 dig thermostat. The original thermostat is a Payne P271-3457 with 7 wires. We now have connected th… read more
Mark Henley
Mark Henley
Journeyman Technician
3,217 satisfied customers
I am replacing a Bryant thermostat P271-3456 with a Honeywell
I am replacing a Bryant thermostat P271-3456 with a Honeywell RTH8500. I connected all the wires but I get heat instead of cooling! Help… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,490 satisfied customers
I am looking for an exact replacement for a Nordyne thermostat.
I am looking for an exact replacement for a Nordyne thermostat. Nordyne 903993, type 1C26-123. Also has the number 0621T Rev. B. It is a heating/cooling thermostat. The wires that come out the wall ar… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Replacing a thermostat. I am replacing the original, non-programmable,
Replacing a thermostat. I am replacing the original, non-programmable, thermostat that came with a (2002 +/-) Trane XL13 series heat pump (Trane thermostat pt no BAYSTAT240A 3AAT82B1B1) with a Honeywe… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,129 satisfied customers
trying to install programable honeywell thermostat but the
trying to install programable honeywell thermostat but the wire colors do not match the honeywell instructions so i need to determine what color on the furnace is R and W. i think thats all i need for… read more
Rick
Rick
Supervisor
36,565 satisfied customers
Honeywell Corp. Sir I bought a Honeywell Thermostat as a
Honeywell Corp. Sir I bought a Honeywell Thermostat as a replacement. RTH221B1000 There are only Two Wires coming from the Furnace. How are this TWO Wires connected to the new Thermostat? Thank you fo… read more
Mark Henley
Mark Henley
Journeyman Technician
3,217 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:

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.

Jerry

Jerry

Service Technician

576 satisfied customers

HVAC Technician. Hearth Products Specialty

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

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

Thehvacguy

Thehvacguy

LIC HVAC,Plumber

426 satisfied customers

Certified HVAC Universal Technician,Lic plumbing contractor, 28 yrs exp

Drcool

Drcool

HVAC Technician

348 satisfied customers

i have been an A/C tech for the past 30 Years. working on window types, split type, and package

N4IEA

N4IEA

NATE Certified; HVAC Technician

227 satisfied customers

Retired, HVAC / Electrical Technician / Contractor 35-years Experience.

< 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