Greenstar Highflow 440?
Fan tries to run every 15 seconds then stops immediately?
Oil fired boiler thermostat?
Remove boiler cover?
Britony Combi Se boiler 40 & 80 lights flashing?
British Gas 532/i Gas Combi Boiler?
Have I got got a faulty programmer?
Siemens RDJ10RF thermostat problem?
Worcester boiler dripping water?