Vaillant Fault Code F.54
F.54
Fault in the gas supply (in combination with F.28/F.29): There is insufficient gas supply to operate the unit – Gas isolator cock(s) closed – Gas flow pressure is too low – Gas valve defective
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Landlord Gas Safety Inspections
Enfield, Cheshunt, Ware, Hertford, Harlow, Edmonton, Tottenham, Loughton, Chingford
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