Recent content by paulmatty

Thanks for your reply. I think I have narrowed it down to the 3 way diverter valve. The HW side of the system is working fine after a bit of investigation. However the CH side is the problem. The switched live from the room thermostat goes to the 3 way diverter valve (why) and when this SW live...

I have the same tripping out problem as many on this board, however I have tested the voltage between the Neutral and SWL terminals in the boiler and get no voltage when the room thermo and programmer should be asking for heat. If I bypass the controllers in the system and put a wire from the...