Free repair help
We have 46 questions about mending '401' in category Heating, Home Heating Systems
Worcester boiler dripping water?
Greenstar 24Ri boiler, fast flashing - can I reset?
Vaillant F22 fault?
Reset my worcester dt10rf programmer?
How do I work my Storad storage heater?
Advice?
Power but not activating Baxi 105e boiler?
Thorn Harcal 460?
Britony Combi Se boiler 40 & 80 lights flashing?
Oil fired boiler thermostat?
Morco gb 24?
How can i mend my baxi combi 105a?
Worcester Bosch 532/i Combi Boiler?
Have I got got a faulty programmer?
Boiler cycle?
Siemens RDJ10RF thermostat problem?
F40 fault?
Canon caress 2000 gas fire?
BMU error code?
Greenstar Highflow 440?
Fan tries to run every 15 seconds then stops immediately?
British Gas 532/i Gas Combi Boiler?
Ideal Isar H30?
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Remove boiler cover?
Vaillant ecotec 831 plus?
Firebird super Q 50/82?
Greenstar 25 combo boiler?
How to fix my fireplace?
Remove cover off gas boiler?