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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 brass auto-vent is an ideal automatic vent for hydronic and radiant heating applications. With the highest capacity rating available for a forged air vent in the 35 to 150 psi range, it will relieve air much faster than any other comparable automatic vent.
Maid-O'-Mist® 670 High-Capacity Auto Vent, 1/8 in, NPT, Brass, Brushed