Boiler Fault Codes by Brand
30 brands · 1428 fault codes with step-by-step fix guides. Select your boiler brand below.
Alpha Heating Innovation is a UK-based boiler manufacturer known for producing reliable, competitively priced gas boilers. Their E-Tec,…
Ariston is an Italian heating brand founded in 1960, part of the Ariston Thermo Group. Their boilers are…
ATAG is a Dutch heating manufacturer founded in 1930. Known for producing highly efficient, premium condensing boilers, their…
Baxi is a British boiler brand founded in Bolton in 1866, making it one of the oldest heating…
Biasi is an Italian heating manufacturer whose compact combi boilers are commonly found in UK social housing, flats,…
Chaffoteaux & Maury was a French boiler manufacturer, now part of the Ariston Group. Their Britony and Celtic…
View fault codesFerroli is an Italian heating manufacturer with over 60 years of experience, founded in Verona in 1955. Their…
Firebird Heating Solutions is an Irish manufacturer producing oil-fired and gas-fired condensing boilers. Popular in rural UK and…
Glow-worm is a well-established British boiler brand with over 80 years of history. Since 2001, the company has…
Grant Engineering is an Irish manufacturer of oil-fired boilers, founded in 1979. Their Vortex range of condensing oil…
Halstead was a British boiler manufacturer based in Essex, popular with installers from the 1980s through to the…
View fault codesHamworthy Heating is a UK manufacturer specialising in commercial and light-commercial boilers, water heaters and heating systems. Their…
Heatline is a French boiler brand that is part of the Vaillant Group. Their Capriz and Capriz Plus…
Ideal Heating has been manufacturing boilers in Hull since 1906 and is one of the UK's largest domestic…
Intergas is a Dutch heating company founded in 1964, known for producing innovative, highly reliable boilers with a…
Johnson & Starley is a British heating manufacturer based in Northampton, founded in 1947. Known for their warm…
Keston is a premium British condensing boiler brand founded in 1948. Known for highly efficient, side-flue boilers that…
Main Heating is a UK boiler brand that is part of BDR Thermea, the same group as Baxi…
Myson was a British heating manufacturer known for their Marathon and Apollo boiler ranges. Very popular from the…
View fault codesNavien is a South Korean heating technology company founded in 1978. Known for innovative condensing combi boilers with…
Potterton is one of the UK's oldest heating brands, founded in 1850. Today, Potterton is part of the…
Ravenheat is an Italian boiler manufacturer whose products are popular in the UK social housing sector. Their CSI,…
Remeha (part of BDR Thermea Group) manufactures high-efficiency condensing boilers popular in commercial and domestic settings across Europe.…
Saunier Duval is a French heating brand founded in 1924, part of the Vaillant Group since 2003. Popular…
Sime is an Italian boiler manufacturer with over 40 years of history. Their Format, Friendly, Murelle, Dewy, and…
One of Europe's leading boiler manufacturers, Vaillant has been producing heating systems since 1874. Their ecoTEC range is…
Viessmann is a German heating technology company founded in 1917. Known for producing premium, highly efficient boilers, their…
Vokera is a British boiler manufacturer based in Hertfordshire, founded in 1985. Known for producing reliable, affordable combi…
Warmflow is a Northern Irish manufacturer producing oil-fired condensing boilers and cylinders. Popular throughout Ireland and rural UK,…
Worcester Bosch is one of the UK's most trusted boiler brands, established in 1962. Their Greenstar range is…