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