Keston Boiler Fault Codes
63 fault codes across 3 Keston boiler models.
UK premium condensing boiler brand, now part of Baxi Group.
C36
Combi Discontinued
29 fault codes
· 2007-2013
S30
System
19 fault codes
· 2013-present
C40 C55 Combi
Combi
15 fault codes
· 2013-present
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