Just a note to Peter, On a recent trip to the States was advised
that most fitters dont use copper untill the leads, plastic pipe is used more now than ever before. Britain is so far behind.
Hi, sounds like your zone valve has a fault in it. The valve should move to HW only but sounds as if it is stuck in the HW and HTG position. You need a new mid position zone valve and someone to fit it.
A motorised valve works in three ways, heating only, hot water only and heating and hot water together or it is closed, when your programer asks for hot water it activates the pump and the boiler and the valve opens, if it then wantsyour heating on it moves to the mid position and gives you both. th...
