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We had a power outage and now my Weil McLain boiler is in
We had a power outage and now my Weil McLain boiler is in standby mode. It isn't heating my floor. What do I do? … read more
Rick
Rick
HVAC Supervisor
25,737 satisfied customers
I have a Weil Mclain Ultra Gas Fired Boiler. It is fired
I have a Weil Mclain Ultra Gas Fired Boiler. It is fired with propane. I have had it about 15 years. It quits at least once a week. I hit restart and it will fire back up. The system has been very unr… read more
Rick
Rick
HVAC Supervisor
25,737 satisfied customers
We lost power last night, but it has been restored, yet our
We lost power last night, but it has been restored, yet our Weil-McLain furnace has not come back on. The maintenance screen color is gray & does not change to any other color by pressing select & say… read more
Rick
Rick
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I have a ultra 155 weil mclain boiler, the background screen
I have a ultra 155 weil mclain boiler, the background screen stays gray all the time, never changes to a blue screen. is it in a lockout mode boiler is running fine please help brian … read more
hvacdave84
hvacdave84
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I have Ultra model 230 and cannot get boiler to fire due to
I have Ultra model 230 and cannot get boiler to fire due to "Warm Weather Shut Down." It is colder inside than outside after several days of cooler weather. This is first start up of this season. … read more
hvacdave84
hvacdave84
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I have a Weil mclain boiler, and a nest thermostat. the
I have a Weil mclain boiler, and a nest thermostat. … read more
Rick
Rick
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25,737 satisfied customers
Is there a shutdown procidure for 30.0 btu natural gas
is there a shutdown procidure for 30.0 btu natural gas weil-mclain boiler to replace a in-line service ball valve … read more
Rick
Rick
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25,737 satisfied customers
Our unit thermostat is set at 74 degrees but the temp on the
our unit thermostat is set at 74 degrees but the temp on the thermostat shows 66 degrees. There is little or no heat emitting from the exhaust vent. We live in Big Timber Montana. … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Weil MClain Ultra 155 gas boiler that is in Warm Weather
I have a Weil MClain Ultra 155 gas boiler that is in Warm Weather Shutdown mode . We have no domestic hot water. I would like to know how to set the U-control menu items so that I can get hot water. I… read more
Rick
Rick
HVAC Supervisor
25,737 satisfied customers
Weil_Mclain Ultra 105 - Goes from mode 3 at about 116 degrees
Weil_Mclain Ultra 105 - Goes from mode 3 at about 116 degrees to mode 1 then 6. I checked the maximum temperature and it is set at 190 degrees and I disconnected outside sensor just in case it was mal… read more
V12Tech
V12Tech
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Weil McLain Ultra gas fired boiler heat wont turn on
I have a Weil McLain Ultra gas fired boiler. I have hot water but the heat will not turn on and the display screen reads "warm weather shutdown" I have never touched the system since it was installed.… read more
servtech50
servtech50
HVAC/R service tech
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I have a two year old weil mclain ultra series 3 boiler which
I have a two year old weil mclain ultra series 3 boiler which is given me the ignition fault message.… read more
Rick
Rick
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Need assistance reseting Weil McLain Ultra O-4 boiler. Had
Need assistance reseting Weil McLain Ultra O-4 boiler. Had run out of oil and now have refilled oil tank, however, boiler will not run. It is blinking in the 'recycle' mode. I hit the reset switch, bu… read more
Rick
Rick
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I had a new Armstrong pump installed to my hot water furnace.
I had a new Armstrong pump installed to my hot water furnace. When I tried to turn the heat on, the button lights for maybe 3 seconds and the system never turn on. NO HEAT. I do have a message to chan… read more
Rick
Rick
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I programmed my weil mclain boiler but it stays in standby
I programmed my weil mclain boiler but it stays in standby mode. How do I correct that to accept the priority 3 settings… read more
Rick Mather
Rick Mather
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Vocational, Technical or Trade Scho
3,133 satisfied customers
I have no heat. I have a weil mclain gas boiler with a taco
I have no heat. I have a weil mclain gas boiler with a taco 506 six zone relay. My indirect water heater is on priority zone whicch is working. My other thermostats wont call for heat. If i turn up th… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a weil mclain boiler furnace we started to update the
I have a weil mclain boiler furnace we started to update the house and want to change the thermostats well we did but both weve tried are not working i called weil mclain and they have told me i need … read more
Rick
Rick
HVAC Supervisor
25,737 satisfied customers
We have a Weil Mclain ultra gas fired water boiler that supplies
We have a Weil Mclain ultra gas fired water boiler that supplies our in floor heat and hot water. Recently it has started sending heat to the floor even when it is not called for basically all of the … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
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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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