Recent content by Winchester123

Thanks guys! All working now- I had forgotten what it was like to be able to turn off and on heating without going into a dark damp room!

Thanks Looks like there is a link internally somewhere in the boiler. Do you mean remove the link (Red wire) on the new thermostat transmitter?

Hello, Old Alpha thermostat packed in and replacing with a horstmann thermostat. This is what the Alpha looks like wired: This is the new one. Im assuming Blue Wire to neutral, Brown to SL(On) and red to L(in). But the issue is there are two red wires- both to the same one...