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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

About Us

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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Vaillant Boiler Fault Codes

  • Offshore price : $20000-$100000 Get a quote on the right form
  • Minimum order quantity : 1 set :Vaillant Boiler Fault Codes
  • Supply Capacity : 10 units/month :Vaillant Boiler Fault Codes
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
  • payment terms : Letter of Credit, Wire Transfer, VISA

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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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  • Vaillant Boiler Problems & Fault Codes | Living by HomeServe

    May 13, 2020 · If your Vaillant boiler is displaying a code beginning with the letter F, then it is signalling that the appliance is experiencing a fault. To help fix your Vaillant boiler problem, have a look below at each fault codeGet Price

  • Vaillant Boiler Error Codes | Hometree

    49 rows · Fault codes take priority over all other display functions in the event of a system fault Get Price

  • Vaillant Boiler Error Codes / Fault Codes List - WarmZilla

    Common Vaillant Fault Codes • The Heating Flow NTC Thermistor Has Become Disconnected Or Has Gone Open Circuit (Should Read 12Kohms @ 20C) • Wiring …Get Price

  • Vaillant Boiler Error Codes | Herofix

    Vaillant Boiler Fault Codes Find Your Vaillant Fault Code Get Price

  • Boiler Fault Codes - A guide to identifying your boiler's

    As accredited installers of the three of the top tried and trusted boiler brands in the UK, Worcester Bosch, Vaillant and Ideal, we have provided a list of the most common fault codes below by brand. So read on to find out which one might be relevant for you.Get Price

  • my vaillant boiler is displaying sf.h what does this mean

    hi, my valliant boiler only runs without the front cover on. have used it for a year without the cover attached. fault code f76 always comes up. it cut out today …Get Price

  • Vaillant boiler f.55 error - DIYnot Forums

    Sep 03, 2019 · 4. Location: West Midlands. Country: i had my first service. The service engineer said I need to get vaillant to replace the co2 sensor under warantee as the reading is flucatating. There is a spanner symbol with a f.55 on boiler (see picture). I checked display 2 weeks ago and that wasn't their.Get Price

  • Vaillant Boiler Fault Codes & Errors | All Models | Boiler

    Vaillant Boiler Error Codes | HometreeGet Price

  • How to fix F75 fault code and reset Vaillant boiler - YouTube

    Apr 17, 2020 · Are you seeing an F75 fault code in your Vaillant boiler? In this video Tony Hernandez of Advanced Heating & Plumbing explains what to do when your Vaillant Get Price

  • Vaillant Boiler F23 Fault Code - Boiler Stats

    What does the Vaillant F23 fault code on my boiler mean. According Vaillant, the F23 fault code relates to a differential in temperature between the flow (hot water going out of your boiler), and return (water circulating back to the boiler to be re-heated).Get Price

  • 2022 Vaillant Boiler Error & Fault Codes Explained

    Vaillant Boiler Error Codes / Fault Codes ListGet Price

  • Vaillant Boiler Issues: Errors and Fault Codes | Updated 2021

    Vaillant Boiler Fault Codes. Fault Code. Description / Possible Cause. F.00. Description / Possible Cause. Interruption/Flow sensor. NTC plug not plugged in or has come loose, multiple plug on the PCB not plugged in correctly, interruption in cable harness or NTC defective. F.01. Description / Possible Cause.Get Price

  • Ask Vaillant | Domestic Boilers | Vaillant

    Fault Codes. Fault Description. Possible Causes. Air Lock Within The Boiler Or The System. Blockage Within The Boiler Or The System. System Design Issue. Insufficient System Bypass. NTC Thermistor Out Of Calibration (Should Read 12Kohms @ …Get Price

  • Vaillant ecotec F28 fault code - Vaillant Boiler Repair

    Vaillant ecotec F28 fault code. The Vaillant F28 fault code means the appliance burner has failed to light or the printed circuit board has failed to detect the flame. If you look in the Vaillant installation manual in relation to the F.28 fault it states the following; "Failure during start-up: ignition unsuccessful – Gas meter defective Get Price

  • Vaillant F22 Fault Code | Boiler Fault Codes | Boiler

    Also known as F.22, the Vaillant F22 fault means that the boiler is low on water pressure and it will need to be increased for the boiler to work again. Vaillant Fault. Meaning. Possible Causes. F22 F.22. Low on water pressure. Boiler won't ignite: No or low water pressure in the system which could mean that there's an issue with the pump.Get Price

  • Updated Guide About Vaillant Boiler Fault Codes 20201

    Mar 09, 2021 · These are the different types of fault codes that can occur so if you see any of them on your Vaillant boiler, contact your engineer for repairing. Hope this solves your issue. Tags: f26 boiler fault vaillant, vaillant boiler fault codes f22, vaillant boiler fault codes f75, vaillant boiler not working no fault code, vaillant boiler reset Get Price

  • (2020) Vaillant Boilers Fault Codes - Platinum Emergency

    2020 Vaillant Boiler Fault Codes. Welcome to our 2020 Vaillant boiler fault code page. If you have arrived here because your boiler is broken and are in need of a licensed heating engineer in the London. Please feel free to contact us here or by using the green Click to Call button below.Get Price

  • Common Vaillant Boiler Error Codes

    9dloodqw (fr0d[ 3ur ( )dxow &rgh 3rvvleoh &dxvh ) /dfn ri jdv d idxow zlwk wkh ljqlwlrq ru ioxh ru rx pd qhhg wr dgmxvw wkh jdv ydoyh ru uhsodfh dGet Price

  • Vaillant Boiler Problems: Common Fault Codes

    Vaillant F22 Boiler fault. This Vaillant Ecotec Plus fault code also appears regularly on the Ecotec Pro models, chiefly the Ecotec Pro27. If you have this Vaillant system installed, it may be worth familiarising yourself with the F22 Boiler fault.Get Price

  • Vaillant Ecotec fault codes | Understand what is wrong

    Jul 07, 2020 · The code displays on the front of the boiler and overrides any other function of the boiler. If there is more than one fault, the boiler will display each fault code in turn. Table of Vaillant Ecotec fault codes. We provide links to a number of the faults, simply click on the fault code for more information.Get Price

  • Vaillant F28 Fault Code | Boiler Fault Codes | Boiler

    Failed Vaillant spark electrodes Another F28 fault could lie with the electrodes, if your boiler doesn't get serviced every year, the electroade in your Vaillant boiler could be defective and fail generating the spark to light the flame. You can fix this yourself if you're a fully-qualified gas engineer/boiler engineer. Frozen Vaillant condensate pipe Condensate pipes are found on all Get Price

  • Vaillant ecoMax Pro not firing, no error codes | DIYnot Forums

    Sep 30, 2020 · He spoke to Vaillant who had him checking various parts of the boiler. The supply to the option board (green connector) appears to cut out when the pump goes off after the boiler initially starts up. He has now advised us to replace the boiler - which feels like a "I have no idea how to fix this" moment.Get Price

  • Common Vaillant Boiler Faults and How to Fix Them

    Jun 14, 2021 · Low Water Pressure. Low water pressure will affect all boilers at some point in their working life, and your Vaillant boiler should be monitoring the water pressure in case it drops below the normal level, which is typically 1 – 1.5 bar.. Anything below 1 bar is considered under pressured and this issue is a common feature in the Ecotec Plus and Ecotec Pro models, …Get Price

  • Vaillant Boiler Fault Code F.28 and F.29 - YouTube

    Jul 06, 2016 · This video is about Vaillant Boiler Fault Code F.28 and F.29. This fault relates to EcoTec, Turbomax, Ecomax boilers. Check your gas supply is turned fully oGet Price

  • Vaillant Fault Codes - FREE BOILER MANUALS

    Vaillant EcoMax Pro 18/28E. Fault Code. Possible Cause. F.1. Lack of gas, a fault with the ignition or flue – may need to adjust the gas valve or replace a defective electrode lead. F.4. Ignition fault. F.5. The system has suffered a fault due to overheating.Get Price

  • My Vaillant Boiler Is Not Working: No Error Code Showing

    In gas boilers, the most common cause of loss of heating or hot water supply is the pilot light going out. The pilot light ignites the gas, which heats the water in the boiler. If this issue is identified, you must follow your boiler's instruction manual to reignite it safely as the method varies based on the boiler make and model.Get Price

  • Vaillant Ecotec fault codes | Understand what is wrong

    Jul 07, 2020 · The code displays on the front of the boiler and overrides any other function of the boiler. If there is more than one fault, the boiler will display each fault code in turn. Table of Vaillant Ecotec fault codes. We provide links to a number of the faults, simply click on the fault code for more information.Get Price

  • Vaillant Boiler Problems & Fault Codes | Living by …

    6 rows · Vaillant Error Codes F28 and F29 If your Vaillant boiler is showing either error code Get Price

  • Vaillant Combi Boiler Problems - Kombi Servisi

    Vaillant Combi Boiler Fault Detection. The common problem of Vaillant combi boilers is that the combi does not ignite. There are a few steps you can try before calling for service. It may be possible to solve the problem when you restart your boiler. Warning code numbers are used for all faults in Vaillant boilers.Get Price

  • Vaillant Boiler F28 Fault Code - Ignition Problem

    In the case of the F28 fault code on a Vaillant boiler, there's a good chance you'll have heard it ignite 3 times and failed, and then the F28 fault code was displayed. What does the Vaillant Boiler F28 fault code mean. The most common reason for an ignition attempt failing is an issue with the supply of gas to the boiler.Get Price

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