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3 4"30# BOILER RELIEF VALVE WATER PRESSURE 550k BTU LIMIT B VENT ELBOWS This valve is ASME rated 5000B89 This valve is ASME rated and CSA listed loading areas Series 374A Boiler 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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