Hoffman Air Valve 401476 550, 1/4" Straight Air Chamber Drain & Rotating Flange with longer size:s available on

with longer size:s available on request

w/ Hi-Flow Hose Drains

Plated malleable iron

CSA Approved Class 3371-88 1/2 PSIG Maximum For Gas Appliance Pilot Shutoff

All Style 38€™s feature a Red Shop Coating to prevent corrosion

Hoffman Air Valve 401476 550, 1/4" Straight Air Chamber Drain & Rotating Flange with longer size:s available onAir Chamber For use on convectors which are not provided withbuilt in air chambers or air collection fittings Brass construction. 14" NPT straight shank connection tapped atthe top for 18" NPT connection 6 cubic inch (98. 3cm) volume Maximum water pressure 100 psig (6. 9 bar) Maximum steam pressure 25 psig (1. 7 bar)