Sounds like you are having the same thoughts as me, and it is not switching off the power to the 3PV when heating is turned off.
I am not actually an engineer so I am not sure I am brave enough to take reads besides that I am not even sure where my multimeter is at the moment.
If you can...
I didnt think that would make any difference (correct me if I am wrong) because the valve stays open even if I turn the heating off on the programmer..
*sorry I missed that info off my original message*
Hi,
I have a problem that I am hoping someone can shed some light on as I have tried various solutions but always end up back in the same situation..
I have a fully pumped system with a 3port valve.
The problem I have is that the valve stays fully open all the time so if I just want my...