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Domestic hot water and heating series: gas hot water boiler, vacuum hot water boiler, vertical atmospheric pressure hot water boiler, electric hot water boiler Factory use, high temperature steam: wns fuel gas steam boiler, szs water tube steam boiler, vertical steam boiler, electric steam boiler

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FANGKUAI is founded in 1998, which is a clean fuel boiler enterprise integrating R&D, manufacturing, sales and service. In the past 20 years of development and innovation, the company has grown into a global enterprise, and its products have been exported to more than 80 countries including Russia, Mongolia and Thailand, and have established long-lasting cooperative relations with local enterprises!

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Weil McLain eco boiler stuck in standby mode when

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  • Minimum order quantity : 1 set :Weil McLain eco boiler stuck in standby mode when
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  • Port : Anyang
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Popular products


θrion Gas Fired Steam Boiler


Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.


Gas(oil) Fired Integrated Hot Water Boiler


Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


H6 Gas Fired Hot Water Boiler


Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.


T7 Vacuum Hot Water Boilerr


Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.


V6 Gas Fired Hot Water Boiler


Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.


Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy


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  • How do I get my weil mcclain boiler out of lockout mode

    Weil mclain ultra boiler HARD LOCKOUT CODE 12 [ 0 Answers ] My Weil Mclain Ultra 80 Boiler display shows a hard lockout code E12 Pressing the reset button does nothing ie the display will not then change back to the normal standby or operating mode Removing the thermostat wires and then jumpering the thermostat terminals 5 and 6 on the Get Price

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    Chances are that it is the right size, because Weil-McLain supply the right size boiler circulator with the boiler, and thay have them painted black. It looks as though it is in right side up. For an Ultra 3 115, the right size circulator is a Taco 0014. I cannot tell that from the picture. Things to keep in mind. 1.)Get Price

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  • Weil-Mclain won't stay on - Community Forums

    Jan 07, 2010 · Weil-Mclain won't stay on. I have a weil-mclain gas hot water boiler that is about 12 years old. The burners will not stay on long enough to get the temp above 65 when it is cold out. The model has electronic ignition and an auto damper. The heating company told me in 2007 that there was not enough gas pressure.Get Price

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  • Which direction should my circulator pump Flow

    Dec 05, 2013 · Posts: 23,538. Received 7 Votes on 5 Posts. Hi Eric, Flow through the boiler needs to be IN on the RETURN or OUT on the SUPPLY. The RETURN is always at (or near) the bottom of the boiler and the SUPPLY at (or near) the top. Take a picture or two and we can probably tell you more easily. Upvote.Get Price

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    Download Service manual of Weil-McLain ULTRA Ultra-105 Boiler, Water Heater for Free or View it Online on This version of Weil-McLain ULTRA Ultra-105 Manual compatible with such list of devices, as: ULTRA Ultra-105, ULTRA Ultra-155, ULTRA Ultra-230, ULTRA Ultra-310, ULTRA ULTRA-80. Brand: Weil-McLain.Get Price

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    Sep 04, 2020 · Mike adds, "ECO Tec boilers feature exceptional domestic hot water performance and was developed with Weil-McLain's next generation, easy-to-use Unity 2.0 control with touch screen display. Contractors will appreciate the ease of installation, use and service, while homeowners will enjoy high-performance and energy-efficient comfort home Get Price

  • Spill Switch getting stuck on Weil-McLain EG-45 Gas Boiler

    Oct 14, 2017 · mystiky2. I have a Weil-McLain EG-45 SPDN Gas Pilot boiler for my house. I started to have problems about a year ago where the spill-switch would get stuck, causing the Vent Damper to stop working, therefore no heating until I would have to manually press the little button on the spill-switch to re-start it. Then everything would work great for Get Price

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    Weil-McLain 383-900-154 - ECO Tec 110-H 87,000 BTU Output Natural Gas Boiler - Note: Product Title reflects this boiler's IBR Net Output Rating This heat-first combi boiler features a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. Product Features Built-in zone control – operate up to Get Price

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  • Troubleshooting a Gas-Fired Hot Water Boiler

    Jan 15, 2021 · The boiler doesn't have power: The circuit breaker or fuse controlling the furnace may have tripped or blown.Reset the tripped circuit breaker or replace a blown fuse.; The water level is low: Maintain the water level in the boiler at half-full.The boiler's automatic filling system, controlled by the pressure-reducing valve, should maintain the proper water level at 12 to 15 psi …Get Price

  • Boiler Cleaning Soot Sticks / Powders -

    Feb 07, 2022 · I have a Weil Mclain Oil Furnace. It is very difficult to clean. The boiler plates are extremely close and the cleaning port opening at the top of the boiler is off center so trying to get the brush between the plates is difficult due to both the tight space as well as trying to bend the brush to get to the areas that are not accessible due to the location of the top opening.Get Price

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    Stainless Steel Fire Tube Heat Exchanger with non-metallic base Floor Standing or Wall Mount Boiler (optional wall mount kit for 220-399 sizes) Available in 5 Sizes: 110, 155, 220, 299, 399 MBH Modulating Condensing Boiler 95% AFUE (110-299); 96.5% Combustion Efficiency (399) 4 Pump/Auxiliary Outputs (Example: 1 boiler loop pump +3 zone pumps) Up to 8 Multiple Boiler …Get Price

  • Boiler going into "lockout" mode | Terry Love Plumbing

    Jun 21, 2011 · The boiler was installed new with house construction in May 2002. We now have a 8184G primary controller because in November 2006, our original primary controller (a 60200 Weil McLain - the one with the big red rubber button) went faulty so the oil company replaced it with the 8184G. We also have a power vent vs a chimney.Get Price

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    Jan 31, 2015 · Boilers - Home Heating Steam and Hot Water Systems - Weil McLain ECO 155 gas boiler constantly cycling problem - Hi, I have a one year old Weil McLain Eco 155 gas boiler. It is constantly cycling through prepurge, ignition, heating (lasting about 10 secs), postpurge, prepurge, ignition.. every time it starts fire,Get Price

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    Nov 08, 2021 · Boiler weil mclain boiler troubleshooting temperature is above parameter 4, the gas valve may be too small or damaged pump!, return water temperature higher than 203 °F look into the burner window! Proper pin alignment/engagement in the heat setting by 20 degree increments until the boiler or piping independent heating to!.Get Price

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  • Boiler stuck in standby : HVAC - reddit

    Jan 25, 2010 · Weil Mclain always in standby mode. Hi, I just had a contractor install a new Weil Mclain GV-5 boiler. System has 4 zones controled by zone valves. System heats the house fine but it seems a bit odd that it never turns off. ie the system always seems to be in a standby mode, water up to tempertature circulator pumps working.Get Price


    1 day ago · Maintenance Kit for Ultra Gas Boilers (Size 80, 105) 383-500-605 Maintenance Kit for Ultra Gas Boilers (Size 80, 105) SKU: 383-500-605 Weil-McLain SKU : 383-500-605 Vaillant 130132 PCB. 5 fuel charges for november 2017 4102 fm 519 galv sprinkler 18cr0095 s.Get Price

  • Weil McLain -

    NOTE: Combi boilers recommended to be in "comfort" mode. See page 53 of the boiler manual for eco/comfort selection options. Outdoor Reset Control 1. When the external outdoor sensor is attached to the boiler, the system can work in Outside Temperature Compensation mode.Get Price

  • Weil Mclain always in standby mode -

    Nov 01, 2020 · Weil McLain eco boiler stuck in standby mode when thermostat has call for heat. This is first startup of season. Date - Answered by a verified HVAC TechnicianGet Price

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    With all this debris and rust in the system, blockages can occur and the matter can even begin to get stuck in parts of the boiler. This is when problems can start. If the boiler's heat exchanger contains debris, the boiler can overheat and generate steam, a process called kettling. This is why it begins to make a whistling noise, much like a Get Price

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    Jun 10, 2014 · Recall Details. This recall involves Weil-McLain Ultra models 80, 105, 155 and 230 MBH gas-fired boilers used for space heating. The boilers have a serial number range between CP 6557046 and CP 6955985. Model and serial numbers are located on a bar-coded label affixed to the lower right side of the boiler, behind the removable front panel.Get Price

  • Weil_McLain Ultra 105 Boiler — Heating Help: The Wall

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