Good morning
having had the 3 port valve replaced by a plumber, I'm still having this issue.
I also replaced the PCB on my Potterton Profile 80 as I was having starting issues - now resolved.
Since the plumber fitted it, the pump has been making a slight knocking/vibrating noise which does alter if the pump speed is increased. Noticed yesterday that the heating was coming on (mainly upstairs) when the thermostat was turned right down, so I turned heating off on the controller, but still occurred this morning.
a) With the heating being off at the controller, does the room stat have any impact?
b) Any ideas for fault finding?!
Thanks in advance,
Graham
having had the 3 port valve replaced by a plumber, I'm still having this issue.
I also replaced the PCB on my Potterton Profile 80 as I was having starting issues - now resolved.
Since the plumber fitted it, the pump has been making a slight knocking/vibrating noise which does alter if the pump speed is increased. Noticed yesterday that the heating was coming on (mainly upstairs) when the thermostat was turned right down, so I turned heating off on the controller, but still occurred this morning.
a) With the heating being off at the controller, does the room stat have any impact?
b) Any ideas for fault finding?!
Thanks in advance,
Graham