HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I'm trying to replace a double pole thermostat with a single
I'm trying to replace a double pole thermostat with a single pole. I have the Honeywell T410A and its for electric baseboard heater … read more
bonzaco
bonzaco
466 satisfied customers
I have a double pole thermostat with 4 wired attached, 2 red
I have a double pole thermostat with 4 wired attached, 2 red and 2 black. The new programmable thermostat I got only has 2 wires , marked (w) for one and (rh) for the other. will this new thermostat w… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
23,261 satisfied customers
I want to replace an Argo thermostat. It's serial number is
I want to replace an Argo thermostat . It's serial number is ***** What can I replace it with?… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
How do I replace my rotary 4 wire 240v thermostat with a 2
How do I replace my rotary 4 wire 240v thermostat with a 2 wire? There are 6 wires in the outlet box… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
23,261 satisfied customers
I have a single pole thermostat that I would like to replace
I have a single pole thermostat that I would like to replace with a double pole thermostat. The specs for the singple pole are as follows: 125/250/277 vac, 22 amp. The spec for the double pole is 240/… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I am replacing a ceilheat ET-4D thermostat with a Honeywell
I am replacing a ceilheat ET-4D thermostat with a Honeywell CT410B 2-pole thermostat. The old thermostat has 2 black wires, 1 red wire, and one white. The 2 black wires are on the same side and the re… read more
Appliance Guru
Appliance Guru
18,817 satisfied customers
HI. REPLACING OLD MANUAL BASEBOARD HEAT THERMOSTAT (4 WIRE,
HI. REPLACING OLD MANUAL BASEBOARD HEAT THERMOSTAT (4 WIRE, 2 RED, 2 BLACK) WITH NEW HONEYWELL DIGITAL RLV3100A (2 WIRE). CAN YOU DESCRIBE WIRING METHOD? THANKS.… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,962 satisfied customers
Just bought a replacement Honeywell CT410 240 V thermostat.
Just bought a replacement Honeywell CT410 240 V thermostat. The wiring in the wall from the breaker is a red and black lead. The old thermostat was a 240 volt also. The breaker panel has two individua… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have electric baseboard heat. I bought new thermostats to
I have electric baseboard heat. I bought new thermostats to replace my old ones. I bought Honeywell LineVoltPRO 8000 (TL8230A1003). I took the first thermostat out and it has 2 black wires connected t… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Hi: I purchased a Honeywell LineVoltPRO 8000 programmable
Hi: I purchased a Honeywell LineVoltPRO 8000 programmable thermostat to replace my existing mechanical one. I am thinking though after reading the instructions that it won't work for my particular sys… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
23,261 satisfied customers
Hello - were trying to install a programmable thermostat and
Hello - we're trying to install a programmable thermostat and are finding that the old system has 4 wires, two are black and two are red, but we're not sure where they go. We have the following option… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a trane split system and I want to replace the old weathertron
I have a trane split system and I want to replace the old weathertron mercury bulb thermostat with my new honeywell 8000. The old has 8 wires ie: O-orange, R-red, T-brown, G-green, Y-yellow, X2-black,… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I replaced my old thermostat with a Honeywell CT410B...it is
I replaced my old thermostat with a Honeywell CT410B...it is double pole capable, for heat only and baseboards. 1 - from the wall, the old thermostat had 2 wires going into L1 and one wire going into … read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
I am replacing a single pole baseboard thermostat with a double
I am replacing a single pole baseboard thermostat with a double pole thermostat (Honeywell CT410B). The single pole thermostat had two black wires connected to it. There were also two white wires that… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
I am replacing my single pole thermostat with a programmable
I am replacing my single pole thermostat (Cadet T4101) with a programmable one (Honeywell TL8230A). The programmable one is double pole. Can I use it or do I need to return it? All the wires coming ou… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,366 satisfied customers
Im replacing an old thermostat (single pole) with a programmable
I'm replacing an old thermostat (single pole) with a programmable single pole. The wall has only two wires; red and white. While the new thermostat has blue, red, and black? I was able to wire the blu… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Can a double pole thermostat be wired to a single pole wired
Can a double pole thermostat be wired to a single pole wired system. That is one hot one power wire(s)? use for in wall electric (cadet) heaters… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,366 satisfied customers
Can I wire my new programmable single-pole line voltage thermostat
Can I wire my new programmable single-pole line voltage thermostat onto the existing wires for the old thermostat which was double-pole? If so, how do I know which wires to combine?… read more
Glenn
Glenn
Maintenance, Technician
Associate Degree
1,612 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

7,791 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

1,024 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.

Rick Ridley

Rick Ridley

UK Heating Engineer

871 satisfied customers

Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

< 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