HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I installed a new robertshaw 710-502 valve in a wall heater.
I installed a new robertshaw 710-502 valve in a wall heater. (Done this before 3 times) Could not get the pilot to lite, so to test it I connected a long pilot tube to the gas valve and tried to lite … read more
Rick
Rick
Supervisor
25,251 satisfied customers
Do you charge a fee? just recently, tried to lite propane
just recently, tried to lite propane heat stove, pilot lites, and when I release the hold down knob to turn on burner , the pilot goes out, as long as I hold down the the lite knob , it will stay lit … read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,008 satisfied customers
Iamhaving trouble lighting pilot, It hasn't been lit since
It hasn't been lit since March. We are now trying to start it for the first time this month. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,015 satisfied customers
New Rheem Gas Heater (30gal) with vent motor on top and
New Rheem Gas Heater (30gal) with vent motor on top and angled side vent to outside with vent end as furnished with Tank. In first month since installation pilot light has gone out 3 times leaving us … read more
Rick
Rick
Supervisor
25,251 satisfied customers
HelloI have a pilot light that went out for my water
Hello, I have a pilot light went out for my water heater. It is a new model Robertshaw so can't seem to restart this. There is no pilot valve, and red button to push to ignite. Only a black spring loa… read more
Expert
Expert
I have a Majco Gas Fireplace model GC 550 about 25 years old.
I have a Majco Gas Fireplace model GC 550 about 25 years old. The Robertshaw-Grayson control was replaced about ten years ago. I can get the pilot to light but the burner will not light easily. If I l… read more
Rick
Rick
Supervisor
25,251 satisfied customers
Appliance question, I have inthertherm mobille home furnace
Appliance question, I have inthertherm mobille home furnace Model # XXXXX 183292 pilot does not light.. It a standing pilot. Have gas to control valve . where should I be looking for this problem. Rob… read more
Theplumber717
Theplumber717
Plumber
Vocational, Technical or Trade Scho
1,264 satisfied customers
My WhisperHeat furnace is making an intermittent clicking noise
My WhisperHeat furnace is making an intermittent clicking noise from the igniter, how can I fix this problem?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,938 satisfied customers
i have a robert shaw 72000iper-s7c gas valve and 780-715u controller,
i have a robert shaw 72000iper-s7c gas valve and 780-715u controller, i get spark and pilot but no main flame. thanks XXXXX XXXXX… read more
Brian
Brian
Master Electrician / Contractor
Vocational, Technical or Trade Scho
40 satisfied customers
I have a Rheem natural gas furnace that will not start. It
I have a Rheem natural gas furnace that will not start. It "wants" to start. The small fan runs to get air moving up the flue and the pilot is burning. There is a constant ticking noise like that of a… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Can you please tell me where I cay get a gas valve It is
Can you please tell me where I cay get a gas valve ? It is a Robershaw grayson,the tag on it says 71F-11A-001 and there is a 7100 DER-S7C and B12826-00 . The furnace is about 25 years old I think? The… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
My Hayward Heatmaster natural gas pool heater (Model HM350ED2
My Hayward Heatmaster natural gas pool heater (Model HM350ED2 s/n 25B02650 - NG) will ignite the pilot light, but the main gas valve/burner will not activate. The pilot igniter continues to spark even… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,368 satisfied customers
I have a Reznor F75-E gas heater that has quit working. It
I have a Reznor F75-E gas heater that has quit working. It will light the ignitor and then a small blue pilot lite will ignite, but the unit will not fire up the large burners. I have removed the flam… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,368 satisfied customers
i have a payne heating / ac system, model number 518a042cc.
i have a payne heating / ac system, model number 518a042cc. when i turn on the heat, it turns on after about 2 min and turns off after about 5, not reall bringing in any heat. when i removed the front… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
hi I have a heat controller inc. furnace with a robert shaw
hi I have a heat controller inc. furnace with a robert shaw grayson valve natural gas I want to change to lp propane no one here can tell me what i need or can use to do the job. thanks [email protected]… read more
Bill
Bill
High School or GED
318 satisfied customers
We have a 30+ year old GE gas furnace. When the thermostat
We have a 30+ year old GE gas furnace. When the thermostat determines it's cold enough to turn the furnace on OR we manually increase the desired temperature on the thermostat, we can hear a click at … read more
Rick
Rick
Supervisor
25,251 satisfied customers
I have a gas heater that is sooting badly, there was no adjusting
I have a gas heater that is sooting badly, there was no adjusting the main flame, I want to replace the robertshaw-grayson control but don't have the make of the unit. How do I order a 700mvrb-6-lc-lp… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,938 satisfied customers
I have a roberts shaw-grayson and the poit is let but the hearter
I have a roberts shaw-grayson and the poit is let but the hearter will not light the flame can you help me in what to do too get the flame… read more
Mario
Mario
Owner Of At Your Service Plumbing & Heat
High School or GED
672 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