HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
2015 combi boiler domestic h20 works fine but heat side wont
2015 combi boiler domestic h20 works fine but heat side wont circulate thru primary loop .the boiler seems to be ramping up corectly just no circulation ,i tried to purge thru primary loop no luck any… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a NORITZ NRC1111-DV as the heat source for an
I have a NORITZ NRC1111-DV as the heat source for an in-floor hydronic heat system. It has been in operation since late 2012 and for the most part trouble free. It displayed a error code 29 indicating… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Buderus system with R 2107 and non-Buderus indirect DHW
Buderus system with R 2107 and non-Buderus indirect DHW tank. Error msg is "DHW Prod Err", which is not listed in the manual. Separate circulator for the hot water loop. For ~24 hours, boiler water in… read more
Rick
Rick
Supervisor
25,511 satisfied customers
Installed a firebird oil combi boiler ran well week but then
Installed a firebird oil combi boiler ran well for a week but then stopped.tride to re start no joy.it haven't gone to lock out and the pumps ar running any idea … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Trane 2GX Geothermal System, the High Pressure Status
I have a Trane 2GX Geothermal System, the High Pressure Status light is on and it is not cooling properly. The unit has an electronic air cleaner, I have cleaned the filter unit, the third red led was… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Buderus Logamatic R 2107 (new boiler and controls installed
Buderus Logamatic R 2107 (new boiler and controls installed 2012) Erratic Operation on Saturday, March 7, 2015 1. After washing the car, turned on the garage unit heater, blowing cold air 2. Cold in l… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
i have a burnham alpine 105 boiler. i have a 26 soft lock
i have a burnham alpine 105 boiler. i have a b 26 soft lock out. i have replaced the limit as suggested with the same result… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Buderus GB 142/60 seems to overheat in DHW mode. When activated
Buderus GB 142/60 seems to overheat in DHW mode. When activated boiler temp will quickly increase to OY code before heating stops. It will refire when the reading is in the 140-150 range and keep repe… read more
Rick
Rick
Supervisor
25,511 satisfied customers
I have Burnham Alpine, model: ALP080B, manufactured in August
I have Burnham Alpine, model: ALP080B, manufactured in August 2013. System pump control runs the System pump to heat the house. DHW pump control runs floor heating pump. The house thermostat is connec… read more
Rick
Rick
Supervisor
25,511 satisfied customers
Hi. We got a Navien CH180 ASME put in after storm and now I
Hi. We got a Navien CH180 ASME put in after storm and now I don't know how to turn heat on.The thermostat on wall does not do it.Is there something I have to program?… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Buderus Logano G115 with a Logamatic R 2107. I have
I have a Buderus Logano G115 with a Logamatic R 2107. I have been having periodic trouble with the domestic hot water production. About every 2-3 months I get an error message (DHW Prod Err) for no ap… read more
Rick
Rick
Supervisor
25,511 satisfied customers
I just had a Navien CH 240 ASME combi boiler installed but
I just had a Navien CH 240 ASME combi boiler installed but the plumbers did not seem to be the most compitent and knowledable about this particular system. It was installed without using a secondary l… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Im a plumber in the Boston area and I just installed my first
I'm a plumber in the Boston area and I just installed my first Navien ch-240. I piped it exactly as drawn with primary secondary loops. T's installed within 4 pipe size diameters on the primary. Every… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Have a CR240A Navien built 2009, with an error code 38E. I
Have a CR240A Navien built 2009, with an error code 38E. I removed & checked the flow sensor for any obstructions. According to the manual, this could also mean a circulation pump issue. How can I con… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I just hooked up a Buderus 142-60 with a propane conversion
I just hooked up a Buderus 142-60 with a propane conversion kit. the unit fired up fine and heats the water for my hydro-air system, but when it gets to 130 degrees it shuts down with Y0 code and an F… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Taco X- Block on a Radiant floor system. My Client
I have a Taco X- Block on a Radiant floor system. My Client called and said there was no heat after the system had been working for over a month. The Taco control on the x-block is indicating to purge… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I am planning on installing a Buderus GB142-24 with a 60 gal
I am planning on installing a Buderus GB142-24 with a 60 gal indirect DHW tank. I have a pressure drop of 8ft at 10gpm through the indirect tank but have no information on the boiler pressure drop. Tw… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Hi to all first time user. Here goes I have a outdoor wood
Hi to all first time user. Here goes ? I have a outdoor wood boiler and want to connect it to a munchkin boiler with a super stor indirect DHW tank. Have a flat plate heat exchanger already connected … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 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