The pump is running as i can hear (and feel) the water going into the system. But how do I check to see if it is vented??
How do I check if the diverter valve is moving? I thought diverter valave is something I have to check if I get HW and not CH (or vice versa) but I get both just not...
Hi - My girlfriends Vaillant boiler recently stopped working after we bled radiators and turned temp up on thermostat. There was no pressure in the boiler...not sure waht was going on there.
Anyway we refilled the boiler with water to 2 bar and then bled radiators again adn beld air from the...
