HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
IGNITION lockout do to retries. york furnace will not fire.
IGNITION lockout do to retries. york furnace will not fire … read more
Appliance Guru
Appliance Guru
23,545 satisfied customers
I have a 50D50-842 direct spark control using the spark rod
I have a 50D50-842 direct spark control using the spark rod for flame detection. When the demand for heat is applied, the spark starts, the slow open Honeywell valve delivers gas, the main burner igni… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
12,262 satisfied customers
Quick run down is I have a heil Ultimate 3 in a 25 year old
Hi, Quick run down is I have a heil Ultimate 3 in a 25 year old home. It will start to from nest thermostat and initial fan will run starting suction. The pilot will spark and light and burners ignite… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
See your discussion below on your websit - I have the exact
See your discussion below on your websit - I have the exact same problem - The igniter lights the burners - they go for about 8 seconds then on again over and over - then the Limiter opens - turns off… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
14,472 satisfied customers
My furnace will not fire but my pilot works correctly
Hi, I have a home gas furnace that uses a Honeywell gas valve vr8304m4507 (new) and controller s8600f (original and one from Amazon). My furnace will not fire but my pilot works correctly. Sometimes i… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,307 satisfied customers
I have a lennox furnace, I just replaced the thermostat,
I have a lennox furnace, I just replaced the thermostat, thinking that the old one was bad. That is not the problem. The furnace will kick on for a few minutes then shut off. The thermostat is set at … read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
I have a York Diamond 900 Furnace 2004 and it is working. I
I have a York Diamond 900 Furnace 2004 and it is working. I also have a Honeywell thermostat. The thermostat is scheduled for specific temperature and times for heat, or I use the Hold button. There i… read more
Jerry M.
Jerry M.
Senior HVAC Technician
High School or GED
153 satisfied customers
My furnace will sometimes kick on and run a few minutes and
My furnace will sometimes kick on and run a few minutes and shut off... it is inconsistent. It just shut off a minute ago but did not reach the temp set at Thermostat. Changed batteries in thermostat … read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
I have a lennox Forced Air (for Natural Gas) model 612Q4E-110-10.
I have a lennox Forced Air (for Natural Gas) model 612Q4E-110-10. It sporadically kicks the heat on. If it doesn't kick on when I turn the thermostat up, I can usually get it to kick on by turning the… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,490 satisfied customers
I have a Honeywell S8610U retro fit direct spark ignition module.
I have a Honeywell S8610U retro fit direct spark ignition module. It will spark, pilot lights, then burner lights as if everything was working properly and then it suddenly stops. It will continue thi… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
i got at home central heat +A/C.TODAY WHEN I turned the heat
i got at home central heat +A/C.TODAY WHEN I turned the heat furnace on, the electronic ignitor turned on than fire came for 10 seconds and stopped,and the ignitor went off.than [without me doing noth… read more
Jerry
Jerry
Service Technician
High School or GED
576 satisfied customers
10 year old Weatherking Select 90 plus. The fan, gas, thermostat
10 year old Weatherking Select 90 plus. The fan, gas, thermostat seem fine. I turn on power, see two solid green lights, then the pilot goes on, see flames, see one flashing XXXXX XXXXXght, but then g… read more
MRANSWER
MRANSWER
TECHNICIAN
Bachelor's Degree
7,382 satisfied customers
TraneXL90 furnace runs on propane won't ignite flame
Pilot light is lighting on furnace, but won't ignite flame. Furnace is Trane XL90 and runs on propane. I restarted it a number of times. One time, I got a quick flame that immediately went out. All of… read more
servtech50
servtech50
HVAC/R service tech
296 satisfied customers
I have a Ruud Silhouette Furnace; this morning when the set
I have a Ruud Silhouette Furnace; this morning when the set temperature of 25 Celsius was reached, the furnace stopped and the house temperature proceeded to drop to 21 C. I reset the circuit-breaker … read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
Flame keeps cycling and then finally will stay on and suspect
Flame keeps cycling and then finally will stay on and suspect the module,Pilot I think stays on all the time when this is happenning. Relay and induced fan have been change in years before.all connect… read more
Rick Mather
Rick Mather
HVAC Tech
Vocational, Technical or Trade Scho
3,631 satisfied customers
Furnace burners wont stay on. Igniter lights burners and they
Furnace burners won't stay on. Igniter lights burners and they stay lit for about a minute then go out?… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
12,262 satisfied customers
I have a comfortmaker model NTG9075FGA3 furnace that the pilot
I have a comfortmaker model NTG9075FGA3 furnace that the pilot will light but the burners will not fire. I have turned it off and on and can get it to light on occasion but after a while the burners g… read more
Robert
Robert
HVACR Educator
Associate Degree
161 satisfied customers
Coleman furnace Model 7956 wont stay lit. Pilot stays lit,
Coleman furnace Model 7956 won't stay lit. Pilot stays lit, thermostat fires up the burner, but before there is enough heat to turn on the blower motor, there is a click from the gas valve area, then … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,307 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

264 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