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- Air Valve (non-vacuum) – Float-type Vent
- Adjustable Port For True Proportional Venting V 6 Port Settings From Slow (1) To Fast (6)
- 1/8″ NPT Angle Connection
- Maximum Operating Pressure 1 1/2 PSIG(0.1 bar)
- Get All 3 – Great Value Pack
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Hoffman Steam Air Vent. 1/8″ NPT angle connection Maximum pressure 10 PSI Maximum operating pressure 1-1/2 PSI 6 port settings from #1 (slow) to #6 (fast) Adjustable port for true proportional venting Steam Air Vent. HOFFMAN STEAM AIR VENT ADJUSTABLE. RADIATOR AIR VENT ADJUSTABLE PORT.