Automatic Air Vent

The Automatic air vent is well suited for heating systems and other hot water systems (not potable water), which require the efficient automatic removal of air from water The vacuum break on the bottom of the valve can prevent an air lock forming and encourages air to be released from water The Automatic air vent,1/8-3/4in BSP M has an integral stop valve, and allows seat to be cleaned without draining the system down Simple service and cleaning Expanding discs under cap prevent leaks thanks to dirt under the seat A 1/8in. to 1/2in. BSP adaptor supplied for connection to 1/2in. BSP female tee