I call that the diaphragm or hydraulic unit.
Actually you could probably have dismantled and greased the shaft.
There was not really any need to start a new thread as its all about your boiler but it will do no harm.
I dont see what more can be said that I have not already written.
Tony
Actually you could probably have dismantled and greased the shaft.
There was not really any need to start a new thread as its all about your boiler but it will do no harm.
I dont see what more can be said that I have not already written.
Tony
