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We have 69 questions about mending 'switches off seconds' in category Heating, Home Heating Systems which have been answered
Boiler cycle?
Vaillant F22 fault?
Fan tries to run every 15 seconds then stops immediately?
Worcester boiler dripping water?
Siemens RDJ10RF thermostat problem?
How do I work my Storad storage heater?
Vaillant ecotec 831 plus?
Worcester Bosch 532/i Combi Boiler?
Remove boiler cover?