HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have a 1994 Reznor F50-E. It wont start. Tested the Tstat
I have a 1994 Reznor F50-E. It wont start. Tested the Tstat and I believe it's ok. I don't believe I'm getting power at the ignition control. Though I can't tell if the reset button has been tripped. … read more
Rick
Rick
HVAC Supervisor
25,147 satisfied customers
I have a reznor f50;hooked up propane and power.thermostat
I have a reznor f50;hooked up propane and power.thermostat on, nothing happens … read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
957 satisfied customers
We purchased two new Reznor gas shop heaters in 2015. One
hello my name is***** purchased two new Reznor gas shop heaters in 2015. One will not start. SER , BNH796EN13749X , MODEL UDAP200. IT IS GETTING GAS TO UNIT. … read more
Rick
Rick
HVAC Supervisor
25,147 satisfied customers
I can't believe this, you're really there? One hour so far.
yes. I have a Honeywell Gas Valve for a Reznor 30,000 btu sealed combustion furnace. The Honeywell part # is VR8205K8905. … read more
Rick
Rick
HVAC Supervisor
25,147 satisfied customers
Looking for a solution for heating my garage. Currently have
Hey - looking for a solution for heating my garage. Currently have a Reznor (model UDAP45). I have a cheap digital thermostat hooked up to it. Currently, I have to leave it on to about 7 degrees Celci… read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
957 satisfied customers
INSTALLED A NEW 1.25 INCH NATURAL GAS SUPPLY LINE TO HEATER
INSTALLED A NEW 1.25 INCH NATURAL GAS SUPPLY LINE TO HEATER LAARS LITE 2. BLED THE LINE BUT IT BURST INTO FLAMES. SHUT OFF THE GAS. NOW THE HEATER WON'T RESPOND TO THE SWITCH TO TURN IT ON. IT DOESN'T… read more
Rick
Rick
HVAC Supervisor
25,147 satisfied customers
I have a Reznor UDAP 125 unit heater running on propane
I have a Reznor UDAP 125 unit heater running on propane heating my garage. Recently the heater has begun shutting off before it reaches the thermostat's set temperature. The green light flashes contin… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
, I have a Reznor gas heater in my shop. It keeps lighting
Hello, I have a Reznor gas heater in my shop. It keeps lighting the burners (yellow flame) for 5-8 seconds, then shutting off. The blower fan is running, and the pilot is lighting correctly. We've blo… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have a reznor hanging heater that flashes 2 (failure to sense
I have a reznor hanging heater that flashes 2 (failure to sense flame) vent motor runs but i only heard it try to ignight once. After that it sounds like the gas valve is opening but doesnt even try t… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
Hey Paul. I have another unit strangely enough nearly identical
Hey Paul. I have another unit strangely enough nearly identical to the Rheem we chatted about this morning.Saturday.With the same problem. Wont spark to light burner. I get 3 blinks on the board. Can … read more
Theplumber717
Theplumber717
Plumber
Vocational, Technical or Trade Scho
1,264 satisfied customers
I have Reznor model F50-E-3 in my garage. When I turned it
I have Reznor model F50-E-3 in my garage. When I turned it on nothing happened. Before when I turned it on it made a click and the burner would come on. I tried bypassing the thermostat still nothing.… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
looking for service manual for coleman furnace 8645d766. System
looking for service manual for coleman furnace 8645d766. System will not respond to thermostat. Attempted to check voltage at transformer and got no reading. Is it safe to provide 15 to 24 volts sc to… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,884 satisfied customers
Our air conditioner as well as heater will not come on. I have
Our air conditioner as well as heater will not come on. I have checked the disconnect outside, the breakers and still nothing. I had someone helping me earlier but he opted out. Can anyone else help?… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Hi. I have an elderly Empire H3-10210. The pilot stays lit,
Hi. I have an elderly Empire H3-10210. The pilot stays lit, but the main burner does not ignite. Thermostat is calling for heat. Any ideas?… read more
MRANSWER
MRANSWER
TECHNICIAN
Bachelor's Degree
6,158 satisfied customers
hi i have a f50 heater and the unit blew the eco out and the
hi i have a f50 heater and the unit blew the eco out and the man replaced and two days later its out again if i jumper wire it it works good heat comes on and goes off at the temp set on thermostat co… read more
Rick
Rick
HVAC Supervisor
25,147 satisfied customers
I have an old trailor house, with a White-Rogers 2 wire thermostat,
I have an old trailor house, with a White-Rogers 2 wire thermostat, for a forced air electric heater. Can I use a RTH2310B, and where do I hook up the two wires that come from the furnace? The old uni… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Hello, i have a problem with with Hvac, it stop working yesterday...
Hello, i have a problem with with Hvac, it stop working yesterday... looks like thersomstat does not send signal to start neither heating or cooling can you guide me throught trouble shooting on my un… read more
ComfortZone
ComfortZone
Associate Degree
515 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
5,362 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