Honeywell EA122 Automatic Air Vent
The Automatic Air Vent EA122 is suitable for heating systemsand other hot water systems (not potable water) which requirethe efficient automatic removal of air from water. The vacuumbreak on the bottom of the valve prevents an air lock formingand encourages air to be released from water. The air vent canbe fitted anywhere in the positive pressure side of the systemwhere air is likely to be trapped.
1/8" and 3/8" thread. Complete with adaptor for 1/2" thread.