Hi guys. Yes, the port B leads circuitously to the cylinder. Photo attached as requested. This boiler was installed 2016. Any more advice would be appreciated.
Thanks for that. Yes, I did wonder why it had been installed upside down. I had a new boiler installed some 7 years ago and I guess it was done at that time. Presumably the CH engineer had a reason. I'll have to call someone out.
Hi
I have a Drayton motorised 3 port valve which is playing up.
I can get HW & CH but not together. The valve appears not to settle in the mid position.
In fact, if I have the CH on and want HW I have to take the CH to an off position on the programmer and then cycle the HW program through the...