Vaillant Fault Code F.24
F.24
Safety switch-off: Temp. incr. too fast: Pump blocked, insufficient pump output, air in product, system pressure too low, non-return valve blocked/incorrectly installed
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Landlord Gas Safety Inspections
Enfield, Cheshunt, Ware, Hertford, Harlow, Edmonton, Tottenham, Loughton, Chingford
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Call us now on 01992 308232
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