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We have 32 questions about mending 'heat exchanger 24' in category Heating, Home Heating Systems which have been answered
Fan tries to run every 15 seconds then stops immediately?
Worcester Bosch 532/i Combi Boiler?
Siemens RDJ10RF thermostat problem?
How do I work my Storad storage heater?
Worcester boiler dripping water?
Remove boiler cover?
Boiler cycle?
Vaillant ecotec 831 plus?
Vaillant F22 fault?