Recent content by SweatyEskimo

Hello Ericmark and thanks for replying. Unfortunately what I am looking for is how the motorised valves should be wired to the boiler/H1 Extension to make them open and close in sync with the programmed central heating periods/central heating pump. Unless they can be wired to behave like this, I...

Okay. I've put together a diagram of how the system is laid out - as the DHW does what I want it to I've left that part of the system simplified. Hopefully it makes sense, but bear in mind it is more pictorial than real life. As i said earlier in the thread there is a 54mm loop that the three...

Hi Ian and thanks for joining in. So what is supposed to tell the valves to close? If the heating has been on and the house is warm, when the heating goes off it needs to get pretty cold before the thermostats themselves click and tell the valves to close. At times this can take long enough that...

I'll put some images up tomorrow.

Hi sircerebus666 and thanks for the reply. Heating times are set on the boiler itself. For example, set a heating period from 7pm to 8pm, the boiler comes on for that hour regardless of what the room temperature is or if the valves are closed. If in the course of that hour I were to turn the...

Hi Folks, Looking for a bit of help here. We moved into our current house in 2018 and have always had a bit of an issue with the heating. The boiler is a Viessmann 200-W WB2B system boiler, and the central heating is split into the zones, each controlled by a thermostat. The boiler is plumbed...