Recent content by Kevbourn

If after fitting the correct head the problem persists what would be my next actions?

I took a picture on my phone of what was already installed and showed it to them, paying particular attention to the part number. He asked if it was a two or three port valve and I said I had no ideas, it could be a three port. The thing is though I gave him the correct part no and he still gave...

I have an alpha he sy25 boiler which yesterday started running continuously despite all program's manually switched to off. I have changed the Drayton ZA5 zone control valve head and also the Honeywell two port valve head but it continues to run. All program's are switched to off and the...