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Vaillant Fault Code F.74

Writer: Richard WeedonRichard Weedon
Feb 28, 20211 min read

F.74

Fault: Water press. sensor: The line to the water pressure sensor has a short circuit to 5 V/24 V or internal fault in the water pressure sensor




Vaillant Fault Code F.74, Landlord gas safety inspection Enfield, Potters Bar,Cheshunt, Ware, Hertford
Landlord gas safety inspection Enfield, Potters Bar,Cheshunt, Ware, Hertford

 
 
 

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