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I have a Hot water Gas fueled boiler and just wanted to
I have a Hot water Gas fueled Smith boiler and just wanted to change the Honeywell aquastat, the installation seems straight forward, however the one I bought the temperature limit can only go to 150,… read more
Rick
Rick
HVAC Supervisor
25,127 satisfied customers
I have a Honeywell R7184P control. My burner will start and
I have a Honeywell R7184P control. My burner will start and run and then haphazardly shut off and blink green. I have held it down for the 30 seconds but it is not continuously keep the house warm. An… read more
Rick
Rick
HVAC Supervisor
25,127 satisfied customers
I have an AO Smith Vertex hot water heater which works great
I have an AO Smith Vertex hot water heater which works great except the unit doesn't start heating until we've used almost all of the hot water in the tank. … read more
Rick
Rick
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I have a newer model Armstrong oil forced air furnace. I
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Rick
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I have a Williamson GWA 140. This is my second winter with
I have a Williamson GWA 140. This is my second winter with it. First year no issues. This year, wasn't producing heat. Turns out water temp was sitting at 120 while the dial said it should be maintain… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
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I have a 2 year old toyotomi 180 oil miser. Tuned up a few
i have a 2 year old toyotomi 180 oil miser. Tuned up a few months ago with a trusted burner guy who has one in his home as well. About 1 1/2 months ago, the yellow warning light came on. Turned out, t… read more
BillyHvac
BillyHvac
Journeyman Service Technician
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When I turned on my thermostat to activate the heat, the little
When I turned on my thermostat to activate the heat, the little red lite comes on the thermostat. I noticed on my thermostat upstairs it doesn't do that. It is a Honeywell thermostat. Do I need someon… read more
Phil
Phil
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Degree, Mech Engr Technology
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I need a more efficient boiler for my 2700 square ft, house
I need a more efficient steam heat boiler for my 2700 square foot, 1930's house in Oakland, CA. Can I buy a Burnham boiler out here, and if so, whom do I contact to do it?… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
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Hello. We have a Laars Mighty Therm M2H-1000. We have 3 smaller
Hello. We have a Laars Mighty Therm M2H-1000. We have 3 smaller Laars units that run until the temperature gets down to a certain point. The 3 turn off, and the Mighty Therm goes on. What is the highe… read more
Rick
Rick
HVAC Supervisor
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My home is approximately 2035 sq feet. I have a Laars Mini
my home is approximately 2035 sq feet. I have a Laars Mini Therm heating system. Numbers I found on the spec tag are 197590, s0 PSI, 240 F, 15.4 sq ft. A plumber told me that my boiler is undersized f… read more
gotoman for ac
gotoman for ac
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I was told I need a new triple aquastat. Is this something
I was told I need a new triple aquastat. Is this something I can install my self if I just photograph all connections remove and replace. It is a peerless oil boiler with a L8148A aquastat relay. the … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
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I hope you can help me get the right answers...I work for a
I hope you can help me get the right answers...I work for a commercial heat and mec. contractor but I am not a plumber or pipefitter and the guys I work with aren't familiar with residential systems. … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
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My Munchkin hot water baseboard boiler is 6 years old and
My Munchkin hot water baseboard boiler is 6 years old and after the first year it's been knocking on start-up quite a bit. Local guy says he knows the knocking is because we have so much calcium in th… read more
Douglas
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Vocational, Technical or Trade Scho
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I have a 50 gal AO Smith electric hot water heater that is
I have a 50 gal AO Smith electric hot water heater that is used only 6 months a year. This year when I filled it up I turned on the electric power as soon as I turned on the water to begin filling the… read more
Rick
Rick
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I have a AO Smith GDHE 50 Vertex Hot Water Heater, 2 years
I have a AO Smith "GPHE 50 100" Vertex Hot Water Heater, 2 years old. On the White-Rogers Intelli-Vent Control it is displaying Error Code 6 - Ignition/Flame Failure. My plumber is stumped and dumped … read more
Rick
Rick
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I live in a 3000 sf home with my wife and daughter.My home
I live in a 3000 sf home with my wife and daughter.My home has 2 1/2 baths a laundry room and a dishwasher.What tankless water heater by RUUD do you think will best meet our needs.… read more
Rick
Rick
HVAC Supervisor
25,127 satisfied customers
Our church has an older oil fired hot The top one is a Honeywell
Our church has an older oil fired hot The top one is a Honeywell L 4006 H with a reset button. The lower one is a Honeywell L 6006 A, B. Originally, the visible dials on these were both set to the sam… read more
Rick
Rick
HVAC Supervisor
25,127 satisfied customers
We have a new Burnham 84% efficiency boiler with 3 zones 2500+
We have a new Burnham 84% efficiency boiler with 3 zones 2500+ sq ft ranch(2 levels). Last year we just let it go, without any tweaking in the season. (did have issue with zone valves - they got fried… read more
Rick Mather
Rick Mather
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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

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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.

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