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 Utica oil fired steam boiler model sf-4150st, how
I have a Utica oil fired steam boiler model sf-4150st, how much psi should it have on the gage? and how do I set it . Right now it is reading 0 and the boiler will not fire up. Have any ideas?… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
Hi, my boiler system wont fire up the pilot lite is on the
Hi, my boiler system wont fire up the pilot lite is on the system comes on electricly but boiler wont fire up.… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
boiler fires up fine for hot water everytime. but will not
boiler fires up fine for hot water everytime. but will not auotmatically fire up central he ating. only way central heating will come on is by pressing the centrall button 3 times. the clock stopped w… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I tried starting my oil fired water boiler it fired up for
I tried starting my oil fired water boiler it fired up for a moment cut of and will not start I taught you would have walked me throught starting up the boiler… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
I have a baxi combi 105e. When I put the boiler into constant
I have a baxi combi 105e. When I put the boiler into "constant" mode, it doesn't fire up. There is plenty of gas (just re-credited my top up, gas hob working) and the boiler fires up when I turn on th… read more
Andrew Smith
Andrew Smith
General Manager
Vocational, Technical or Trade Scho
3,001 satisfied customers
We have a Worcester Heatslave floor standing oil-fired combinatio
We have a Worcester Heatslave floor standing oil-fired combination boiler. The mains-fed domestic hot water is working perfectly but the central heating is not. The lights look as though it is on and … read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
hi,I have a glowworm 100e combi boiler on which the circulation
hi,I have a glowworm 100e combi boiler on which the circulation pump has started to run constantly when the boiler is switched on and is firing up also,this is happening when the roomstat is turned to… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Just looked at a house with my son who is hopefully going to
Just looked at a house with my son who is hopefully going to buy it. It has a 5 year old Buderus g115 oil boiler. The water in the boiler was only 80 degrees but the aquastat was set to 180. As soon a… read more
Heath Moyer
Heath Moyer
1,064 satisfied customers
my classic ff100 is not firing up - i have had problems with
my classic ff100 is not firing up - i have had problems with the fan but this is working now, but the boiler is not firing?… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
My friend has got a baxi combi boiler not sure of the model.
My friend has got a baxi combi boiler not sure of the model. The central heating is working ok but when they switch the hot water on the boiler seems to fire up but no hot water is coming from the tap… read more
Heath Moyer
Heath Moyer
1,064 satisfied customers
My Worcester 240 boiler is firi9ng up and heating water when
My Worcester 240 boiler is firi9ng up and heating water when the central heating is on (for both the radiators and hot water) but when the heating is off it does not recognise that a hot water tap is … read more
Heath Moyer
Heath Moyer
1,064 satisfied customers
We have had a new pump fitted, and now the boiler fires up
We have had a new pump fitted, and now the boiler fires up even when all the controls on the timer say it should be off. Could it have been incorrectly wired up. Also despite new pump and deep flush o… read more
Heath Moyer
Heath Moyer
1,064 satisfied customers
Peerless boiler. 10 years old. pump 6 years old. constant rolling,
Peerless boiler. 10 years old. pump 6 years old. constant rolling, bumping noise when fired up. pressureis right. temperature is right. pump is evidently all right. water in boiler is not dirty. all r… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
Hiya, i have a ferroli f24b boiler, it wont fire up the burner,
Hiya, i have a ferroli f24b boiler, it won't fire up the burner, i have followed the trouble shooting in the manual and it seems to run in frost protection mode so i changed the frost stat that is bui… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
my boiler stopped working immediately after my ceiling collapsed.
my boiler stopped working immediately after my ceiling collapsed. Dust was the only issue for the boiler. Now when i turn on the hot water the boiler fires up then immediately cuts out and fires up ag… read more
alex hewitt
alex hewitt
Vocational, Technical or Trade Scho
60 satisfied customers
Hello, could you please tell me can you use a soild fuel back
Hello, could you please tell me can you use a soild fuel back boiler as a normal fire ie (it is not connected to a central heating system) Thank you… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
My Potterton combi boiler seems to keep turning itself off
My Potterton combi boiler seems to keep turning itself off after 3 minutes of firing up the boiler. The pilot light works in standby mode and ignites the boiler when switched to the 'fire-up' mode as … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,971 satisfied customers
We have just changed radiators and had a problem when refilling
We have just changed radiators and had a problem when refilling the system. The boiler fired up and then stopped because of air in the system. The system did not fill because there was a bat blocking … read more
Robert
Robert
Associate Degree
161 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