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We have 258 questions about mending 'central hot switch' in category Heating, Home Heating Systems which have been answered
Oil fired boiler thermostat?
Worcester boiler dripping water?
Remove cover off gas boiler?
Siemens RDJ10RF thermostat problem?
Vaillant ecotec 831 plus?
Greenstar 24Ri boiler, fast flashing - can I reset?
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
How to fix my fireplace?
Remove boiler cover?