1/2" Model VR Brass Vacuum Relief Valve 10" 5 PSIG Set Pressure @

5 PSIG Set Pressure @ 250° F max

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This is the pipe you need

1/2" Model VR Brass Vacuum Relief Valve 10" 5 PSIG Set Pressure @1 2" Model VR, Brass Vacuum Relief Valve The Apollo Model VR Vacuum Relief valve is designed to automatically vent a system should a vacuum occur. It prevents siphoning of water from the system and or tank collapse. Features: Brass poppet for improved strength Suitable for LP steam (15 PSIG max) ANSI (American National Standards Institute) Z21. 22 certified Materials: Bonnet: ASTM (American Society for Testing and Materials) B16 Brass Nozzle: ASTM B16