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We have 51 questions about mending 'switch runs pump' in category Heating, Home Heating Systems which have been answered
Vaillant F22 fault?
Remove boiler cover?
Vaillant ecotec 831 plus?
Fan tries to run every 15 seconds then stops immediately?
Siemens RDJ10RF thermostat problem?
Worcester Bosch 532/i Combi Boiler?
How do I work my Storad storage heater?
Boiler cycle?
Worcester boiler dripping water?