Both pins are moving in and out !
I assume the pin on top at rear is the ch pin, this comes out and the heating comes on and goes in and it goes off all fine. i also assume the pin facing me is the hw pin, this comes out, the switch clicks and the light on the front panel switches to the water...
Is this the pin on the top of the diverter valve ? the one at the front facing you comes out when calling for water and the one at the top comes up for heating
I am looking for a bit advice.
I have a baci 80e boiler and have had a few problems lately.
I have had a plumber out a couple of times.
Once when it wasnt firing up, pcb changed.
Then it was losing pressure, recharged expansion vessel.
Now when calling for hot water the pump light flashes. Water...