61685 | VS204 1/2" THERM AIR VENT | Spirax-Sarco Application_Low Water Cut Offs; Steam Boilers and other industries where precise

and other industries where precise gas flow is crucial

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00-inch length provide ample holding power for a wide range of workpieces

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This durable indicator features a robust steel construction and a 1-1/8-inch ODF soldered connection

61685 | VS204 1/2" THERM AIR VENT | Spirax-Sarco Application_Low Water Cut Offs; Steam Boilers and other industries where preciseVS204 1 2" THERM AIR VENTThe VS204 1 2" Spirax Sarco thermostatic air vent is designed to remove air from steam systems. Air can cause a variety of problems in steam systems, including: Reduced heat transfer Increased corrosion Water hammer Noise The VS204 thermostatic air vent is a simple and effective way to remove air from steam systems. The vent is made of cast iron and has a stainless steel float. The float is connected to a valve that opens and