74, 1/2" x 3/4" STRAIGHT STEAM UNIT HEATER AIR VALVE

HoffmanSKU: 401429

Price:
Sale price$175.00

Description

Special Steam Vents

Model 74 Part No. 401429 - Steam Unit Heater Air Valve
• Float-type thermostatic vent
• Single non-adjustable port
• 1⁄2" NPT female and 3⁄4" NPT male straight shank
• Install 6-10" (150-250mm) above horizontal return and 18" (450mm) above the boiler water line
• Maximum operating pressure 35 psig (2.4 bar)*
• Maximum pressure 35 psig (2.4 bar)

*Drop away pressure (maximum pressure against which the vent can open).

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