Honeywell Automatic Air Vent

Automatic Air Vent purges air from high pressure mains and equipment in hot or cold closed water systems. Includes removable float/valve assembly for easy servicing. Not for use in steam systems.|Designed with the higher capacity normally required by North American heating systems|Valve seat disc, which is made of resilient material (EPDM), ensures tight shutoff on steam or hot water systems|Controls include sensor, set-point dial and valve actuator; components may be integral or connected by capillary tubes|Require no electrical connections|Body, cover and float made of thermoplastics|Used in residential or commercial heating and cooling systems|NBR seat disc and O-ring|Internal parts made of corrosion resistant and chemical resistant materials|For use with hydronic systems that may contain concentrations of propylene or etheylene glycol|Built-in shut-off valve and leakage guard