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3 4" 125# SHORT T&P VALVE TEMPERATURE PRESSURE REFIEF AIR VENT STRAIGHT The NIBCO® Press System® is 5000B89 The NIBCO® Press System® is user friendly The installation of an air gap and drain line are recommended on reduced pressure zone assemblies Series 140 Automatic Reseating Temperature and Pressure Relief Valves now come packaged with SentryPlus Alert® discharge line flood sensors for monitoring unwanted valve discharges once activated Activating the sensor requires purchase of an additional connectivity kit to read the sensor and signal a building management system
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