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How can i fix my valient combi boiler?

my valient boiler does not heat water, and comes up F28, how do I fix it?

jayne Laidlow
June 2008
Samantha Jayne Laidlow?

Reckless Erik
February 2011
have a valient turbomax can only get the radiators to work no hot water

Thomas John
October 2008
F28 (based on the ecomax, you didn't state boiler model) is a general boiler lockout that points to ignition failure, electrodes, or if they are sparking gas valve or possibly pcb, if a HE boiler also check the air inlet duct

T
June 2008
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