Jacobus - Maid O Mist 1/8" NPT Auto Vent

The Auto-Vent 675 purges and eliminates air in water lines, installs vertical at highest points on line. A low cost, low profile vent valve made of forged brass with a Polypropylene float with a 1/8 NPT connection – Great for places where height restrictions are an issue! “Only 1-1/2" inches in height!” Product Application: Residential or commercial heating and cooling systems.