Boiler hasnt fired up for over a week. I have checked the pump works the motorised valve works the pilot is lit. I have drained the system and back filled the system and blew it through. there is power to the boiler thermostat(no reset on this model). Tonight I removed the timer(horstmann 425 Tiara) pulling it away from the contacts. I checked that there is power to L 2 5. I put the cover back on and the boiler fired up for about 5 minutes? I removed the timer again and exposed the contacts on the timer,I refitted it and I manually moved the contacts across to make contact but without any luck. I now believe it is the timer but not sure as everything has power any help I would be really grateful. Also some forums mention a fan, but not sure if this model has one and if it does where it is. someone said you can be lucky and free the fan off? Thanks
