Hoffman 550, 1/4" Straight Air Chamber

Air Chamber For use on convectors which are not provided with built-in air chambers or air collection fittings Brass construction. 1⁄4" NPT straight shank connection tapped at the top for 1⁄8" NPT connection 6 cubic inch (98.3cm) volume Maximum water pressure 100 psig (6.9 bar) Maximum steam pressure 25 psig (1.7 bar)