Hoffman Steam Air Vent 40, 1/8" Angle Steam Radiator Air Valve 401440
Hoffman Steam Air Vent. Float-type vent 1/8" NPT angle connection Single non-adjustable port Maximum operating pressure 6 PSI For ordinary one-pipe system that doesnt require proportional venting Steam Air Vent. HOFFMAN STEAM AIR VENT 1/8" NPT. RADIATOR AIR VENT.