HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
I have a Lennox G51MP with Surelight. When I switch
When I switch thermostat to heat, lights indicate that a call was made for heat, Normal. However fan or ignition does not happen, no clicks...nothing … read more
Rick
Rick
Supervisor
25,923 satisfied customers
My Lennox furnace (G51MP) isn't heating. It had been heating
My Lennox furnace (G51MP) isn't heating. It had been heating but has been off for a few weeks. - When the thermostat calls for heat, only the fan comes on. - The SureLight (69M1501) indicator lights b… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Lennox C33-30B-2F. The combustion air inducer motor
I have a Lennox C33-30B-2F. The combustion air inducer motor is not getting power to it. When should it be running.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,009 satisfied customers
I have a Lennox g51mp. It seems to time out for 2 or three
I have a Lennox g51mp. It seems to time out for 2 or three hours then start working again. When not working, both led's are slow flash. Once thermostat calls for heat, both lights go out. Then, if we … read more
airheatman
airheatman
HVAC Technician
6 years college
10,368 satisfied customers
How many microamps should a 52W29 flme sensor in a Lennox G51MP
How many microamps should a 52W29 flme sensor in a Lennox G51MP furnace put out? A service technician measured 1.1 and said it needed to be replaced. The new one he put in also put out 1.1 microamps.… read more
airheatman
airheatman
HVAC Technician
6 years college
10,368 satisfied customers
Hello, I have a dual energy system and I am having issues
Hello, I have a dual energy system and I am having issues with the ignition of my relatively new Lennox G51MP furnace. The thermostat is comunicating with the furnace as it will start and stop the fan… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I have a lennox elite furnace and air conditioner and when
I have a lennox elite furnace and air conditioner and when i turn the air conditioner on the blower fan starts to spin then clicks and turns off both green LED lights on the board are in a simultaneou… read more
SWFLHVAC
SWFLHVAC
85 satisfied customers
i have a lennox elite series (G51MP-48C-090-03) furnace; the
i have a lennox elite series (G51MP-48C-090-03) furnace; the thermostats are turned OFF and the fan switch is set to AUTO but the blower on the furnace will not shut off. Any suggestions? Dave… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,009 satisfied customers
Hi I have a Lennox furnace g51mp-48c-110-01 and I haver some
Hi I have a Lennox furnace g51mp-48c-110-01 and I haver some problems with it. It seams that the furnace will try to start and it stops before it reaches the set temperature. after five times stays in… read more
MRANSWER
MRANSWER
TECHNICIAN
Bachelor's Degree
6,158 satisfied customers
we are installing a used lennox furnace, model G51MP-60C-110-01
we are installing a used lennox furnace, model G51MP-60C-110-01 but cant understand the venting regarding vent termination - 3" vent, but do we need a termination kit, wall plate kit, or aaccelerator?… read more
airheatman
airheatman
HVAC Technician
6 years college
10,368 satisfied customers
g51mp lennox Induced draft fan will not start blinking light
g51mp lennox Induced draft fan will not start blinking light say calling for heat turn thermo way down lights say ready to go this started after shut off gas supply - repaired coupling down line turne… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
lennox g51mp keeps kicking 3 amp breaker inside unit next to
lennox g51mp keeps kicking 3 amp breaker inside unit next to circuit board what could be cause?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,009 satisfied customers
Have lennox g51mp-60-10-1. Motor is quiet with heat or fan,
Have lennox g51mp-60-10-1. Motor is quiet with heat or fan, but makes loud noise (like really fast clicking) when in a/c mode. I switched the motor lead to brown instead of black on the cool tap just … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
We have a Lennox furnace (Series G51MP) model C33 - 48C that
We have a Lennox furnace (Series G51MP) model C33 - 48C that is four years old. Since year 1 we have had problems every year at the same time. This time the fan (blower) keeps running without shutting… read more
KenCan
KenCan
Vocational, Technical or Trade Scho
111 satisfied customers
I have a lennox gas furnace G51MP SERIES, what is the best
I have a lennox gas furnace G51MP SERIES, what is the best and proper thermostat for this model.… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a lennox G51MP series unit and it is not working. It
I have a lennox G51MP series unit and it is not working. It shows that the priXXXXX XXXXXmit switch is open (one green light on and the red light is blinking). I see the priXXXXX XXXXXmit switch as a … read more
Mike
Mike
Service Tech/ Installer
High School or GED
153 satisfied customers
We have a Lennox furnace Model #G51MP-36B-070 where we would
We have a Lennox furnace Model #G51MP-36B-070 where we would like to interlock a 110volt motorized fresh air damper to open when the furnace is running in any of the thermostat modes of Heat / Air con… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,009 satisfied customers
I am sitting in Boulder Junction Wi with a G51MP series furnance
I am sitting in Boulder Junction Wi with a G51MP series furnance that alternately stops and starts. It gives a fast alternating flash error. It is 10 below zero. There are no clogs in the intake or th… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,009 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

7,634 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