Recent content by bwvm

Thanks for your replies When I changed the Drayton actuator it was a one wire at a time job so should be correct We still have the same problem heating only when H.W. is on ! I put a multi meter across the grey and orange wires from the micro switch on the new actuator and when wife...

Help! we have a Gloworm micron 50ff boiler fiited with Gloworm 7 day programmer and a two motorized valve set up. Hot water is fine valve,pump & boiler all responding to stat on tank. But heating not o.k. after advice from mate tried fitting new Drayton ZA5 valve actuator but no difference...