1A, 1/8" ADJUSTABLE ANGLE STEAM RADIATOR AIR VALVE Excess Pressure Pump DESCRIPTION & FEATURES: Excellent flow

DESCRIPTION & FEATURES: Excellent flow regulation and leak tight

Compact stainless steel construction with ceramic sensor

If the control is in a low water condition when there is an interruption of power

– Coffee urns

1A, 1/8" ADJUSTABLE ANGLE STEAM RADIATOR AIR VALVE Excess Pressure Pump DESCRIPTION & FEATURES: Excellent flowRadiator Steam Vents Model 1A Part No. 401422 Air Valve (non vacuum) Float type vent Adjustable port for true proportional venting 6 port settings from slow (1) to fast (6) 18" NPT angle connection Maximum operating pressure 112 psig (0. 1 bar)* Maximum pressure 10 psig (0. 7 bar) *Drop away pressure (maximum pressure against which the vent can open). Hoffman Radiator Steam Vent Data Sheet