Recent content by Allecs

I meant that the Ok valve has the lever when open all the way to the right and when closed all the way to the left. The valve with problems has the lever just a quarter to the right when open and when closed is not all the way to the left. If I open and close it manually both zones are working...

Since I moved in has had this problem when the heating is on. Kind of a let down in regards with the zone valves.

The system and pipework has been done 2 years ago. I can feel the resistence on the valve and this points to working fine. Difference between the one upstairs(the one with issue) is that if I compare with the downstairs one(working one) is not fully open or fully close when I look at both...

I have a condensing boiler with two zone valves fitted. One for ground floor and the other one for upstairs. When heat is called only on first floor, radiators work fine and zone valve does its job. Radiators downstairs are cold( which is how they should be) When there is no call for heat...