Hello, on the underside of the boiler next to all the other valves is the drain cock. See image from the manual.So I'm asking how to 'loosen the automatic air relief valve' as I it's mentioned as being attached to the pump in my photo but no photos, but have no idea how to do it.
Releasing it...
Hello,
I have an arison clas evo boiler and I'm trying to figure out how to drain it for maintenance of radiators/emergencies/etc. Currently I just drain a radiator till the pressure drops.
In the manual it says the process is to loosen the the air release value, put a hose in the drain cock...