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We have 951 questions about mending 'few seconds out' in category Heating, Home Heating Systems which have been answered
Boiler cycle?
Vaillant ecotec 831 plus?
Vaillant F22 fault?
Remove boiler cover?
Worcester boiler dripping water?
Worcester Bosch 532/i Combi Boiler?
How do I work my Storad storage heater?
Fan tries to run every 15 seconds then stops immediately?
Siemens RDJ10RF thermostat problem?