Description
Sterlco .75 Inch 523 Packless Valve Straightway. Sterlco® Radiator Valve Model 523 is designed for both steam and hot water heating systems. It can be applied to sub-atmospheric steam systems of 25″vacuum with pressures up to 125 PSI and to water systems with working pressures up to 125 PSI. It is equipped with positive ?on? and ?off? control for any type of heating element or radiator. The Packless is designed for both steam and hot water heating systems. It can be applied to sub-atmospheric steam heating systems at 25 in. vacuum to pressures up to 125lbs. And to water systems with working pressures to 125lbs.
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