Hoffman Air Valve 401475 508, 1/8" Straight Steam Convector Air Valve

Air Valve (non-vacuum)
Disc-type vent
Built-in Check Valve
For automatic venting of convectors and radiators
Can be disassembled to clean without removing from line
1„8" NPT straight shank
Maximum steam pressure of 15 psig (1.0 bar)