B
buckley plumb
got an on going issue with a keston c55 boiler it runs a swimming pool heater in a large house - the boiler is the highest point of the system - this boiler eats auto air vent on boiler at the rate of one every 6 months. the vent sticks open and leaks spoke to keston who said not much can be done is there a better make available its a standard 3/8" auto vent as far as I am aware is there a good quality one available