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I have a brand new Aquastat L8148A, that will not run my
I have a brand new Aquastat L8148A, that will not run my circulating pump, no 120 across C1 and C2. the boiler fires up and the relay closes. … read more
Rick
Rick
HVAC Supervisor
25,422 satisfied customers
I have a Vaillant GA92-140 boiler in my home and it will not
I have a Vaillant GA92-140 boiler in my home and it will not start up this fall. The thermostat is calling for heat but no ignition cycle is started. I tried the ignition modual reset procedure posted… read more
Rick
Rick
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Need help wiring a honeywell L6006 aquastat, the boiler
need help wiring a honeywell L6006 aquastat, the boiler control, circ pump, and tstat to a honeywell RA832A relay … read more
Rick
Rick
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I have a Honeywell R8182D that is tripping the red safety
Customer: Hello Doug, My name is***** have a Honeywell R8182D that is tripping the red safety button. What is interesting is that it does not trip when the boiler is running. It only trips after the b… read more
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I am trying to troubleshoot a Honeywell Aquastat Relay Type
I am trying to troubleshoot a Honeywell Aquastat Relay Type L8148E. I have 24v at TV and T. Also have 112v at L1 and L2. When I take a reading at C1 and C2 I a 48Ω reading. My thermostat in thr house … read more
Rick
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I have a boiler heating system and the Combination Limit control
I have a boiler heating system and the Combination Limit control relay needs to be replaced. The contacts get stuck at times and it shuts down and does not come on until I reset it by turning off elec… read more
Rick
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Is it possible to control a boiler consisting of (one burner
Is it possible to control a boiler consisting of (one burner Motor and two separately zoned circulator pumps) with two separate thermostats? Boiler has an L8148A Aquastat relay, and a standard relay t… read more
Rick
Rick
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I have a Honeywell aquastat relay type l8148e. I am trying
I have a Honeywell aquastat relay type l8148e. I am trying to get the circulator pump for the zone wired in properly, not the boiler circulator. Currently the outside zone circulator is wired into C1 … read more
Rick
Rick
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Hi, I have a problem with no heat to my 2 heating zones.
Hi, I have a problem with no heat to my 2 heating zones. The boiler runs for the domestic hot water. I have a aquastat L8124a relay. Any suggestions?… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Hey Guys, I have a utica boiler about 2 yrs old. For the
Hey Guys, I have a utica boiler about 2 yrs old. For the past few weeks the circulator pump would switch on about every 3 or 4 heating cycles and randomly in between. The times when it didnt I could f… read more
Rick
Rick
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I replaced my Taco 007-F5 circulation pump and Honeywell aqua
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Rick
Rick
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I have an oil fired boiler that is only a few years old and
I have an oil fired boiler that is only a few years old and has been cleaned and serviced. Lately it seems to be short cycling, running only a few minutes at a time (3-5 min). It used to run more like… read more
Rick
Rick
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I have L8148E Aquastat Relaty on a Gas boiler (hot water baseboard
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Rick
Rick
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boiler starts for a few minutes then stops, pipes either side
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Rick Ridley
Rick Ridley
UK Heating Engineer
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I just installed a slant fin oil fired boiler and the boiler
I just installed a slant fin oil fired boiler and the boiler goes on but when the pump is wired it doesn't go on and it doesn't tell me what number to put my wires on to get the pump connected to the … read more
Bill P.
Bill P.
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What would cause an oil burner to leak fuel from the housing?
What would cause an oil burner to leak fuel from the housing below the ignition transformer whenever the furnace runs? This is a new installation and works well but there is a small puddle under the h… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
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I have a Burnham Independence, gas fired steam boiler, with
I have a Burnham Independence, gas fired steam boiler, with EZSQ Control. This unit has 2 zones, one steam for the upper floor, and a second hot water circulation loop, for the basement. The boiler is… read more
BillyHvac
BillyHvac
Journeyman Service Technician
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13,933 satisfied customers
hi, ive got a wallstar boiler which cuts out every few days.
hi, ive got a wallstar boiler which cuts out every few days. It had air bubbles in the clear oil supply pipe, more than usual. I replaced the fire valve/non return valve and checked the oil supply pip… 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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