Recent content by 03tohare

been here 2 years. Yeah its been a problem since we moved in. Will get a heating engineer booked in to sort out the reverse circulation and not just replace the 2 way valve!

Yep its only 3 months old and the pipe the other side of the valve does not get hot when the HW comes on

I just did a test where i turned the HW on then with the nearest radiator to the HW cylinder i felt which side of the radiator got hot first with the CH pipes. The heating return pipe got hot first so I suspect we have a reverse circulation issue?

no thats not a problem for us

ok after a quick google got the jist of that. Would a NRV on the heating return solve this?

hmmmmm im not sure. It could have been. In the loft there is the old cold water tank and a fair bit of redundant copper piping that appears not to be connected to anything.

Hello! We have a oil fired heating system (new boiler last year) with a HW cylinder. Both the two way valves for the CH and HW have been replaced but when the HW comes on the radiators around the house get hot. The CH 2 way valve is 100% closed when the HW comes on and the copper pipe the other...