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Vaillant Fault Code F.24

Writer's picture: Richard WeedonRichard Weedon
Feb 28, 20211 min read

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



Landlord gas safety inspection Cheshunt, Ware, Hertford
Landlord gas safety inspection Cheshunt, Ware, Hertford

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