I need to change a diverter valve and want to avoid draining down the primary circuit if poss.
Where can I buy plugs to block the F & E outlet and vent pipe.
I am told they are available, but don't know what they are called.
Any help gratefully received
Where can I buy plugs to block the F & E outlet and vent pipe.
I am told they are available, but don't know what they are called.
Any help gratefully received