Description
Sterlco 1.25 Inch 511 Spring Packed Valve Angle. Sterlco® Radiator Valve Model 511 is designed for steam heating systems with pressures of 25″ of vacuum to 150 PSI. It may also be applied to water systems with pressures up to 200 PSI. Like other Sterlco® Radiator valves, the 511 is equipped with positive on and off control for any type of heating element or radiator.
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