Recent content by kris_v

I have learnt that today, after having conversation with Viessmann technical support. I have 3 options available: 1) 200-W with weather compensation and Evohome as dumb system to open and close valves 2) 100-w with OpenTherm with Evohome, but Viessmann ViCare app does not work anymore 3)...

Hello All, Unfortunately, recently my Icos Ideal HE15 heat only boiler started to have more frequent faults and I'm thinking it is time for it to be changed. Heating system has recently been upgraded, September 2022, from Y-plan with vented cylinder to S-plan with unvented Gledhill 240l...

@fixitflav I will try to sketch something tonight

That is correct @terryplumb It is HEP2O manifold, with 22mm going out from the feed and connecting back to the return pipe. The same is on the other end of the feed and return pipe. Please advice if it should be like that, or should both ends be dead-ended.

Hey @terryplumb, Please see photo of one end. I will try to upload the other end too, but it looks almost the same (3x 15mm connection on flow and return).

They are heating up ok. We are in the middle of the house refurbishment project, and it will be the best moment to correct the pipe work, if it is incorrect.

Fair play, your comment makes sense. Diagram was made quickly, and obviously pipes are connected in the S plan system. Please advise, if it is ok to leave the flow and return pipes connected together or should they be capped off at each end.

Hey @terryplumb, thank you for your reply. Can you please explain, why they would never fill with water ?

Hello All, Please advise if flow & return pipe in 2 pipe heating system should be connected together, as per below sketch: Main heating flow & return pipes are 22 mm with 3x 15 mm radiator connections on each, plus additionally the flow and return pipes are also connected together. I will be...