Residential or commercial heating and cooling systems
Purges and eliminates air in water lines, installs vertical at highest points on line.
A float type vent with a single non-adjustable port. For use on ordinary one-pipe system not requiring proportional venting. Maid O’ Mist’s new No. 670 forged brass Auto-Vent is an ideal automatic vent for hydronic heating applications. With the highest capacity rating available for a forged air vent in the 35-50 psi range, a No. 670 Auto-Vent will relieve air much faster than any comparable automatic vent.
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 ½ inches in height!”
