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Watts 2 In Bronze Boiler Pressure Relief Valve, 50 psi, Threaded Female Connections

SKU: 0278328

$2,484.00

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Product Details

Watts 0278328

This 2'' boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief, not as an operating control. The pressure relief is set at 50 psi (344.7 kPa) with corresponding high pressure ratings up to 5,575,000 BTU/hr.5,575,000 BTU/hr.


  • UPC 098268014259
  • Online Product ID 9690186
  • Material Bronze
  • Buy American Act Compliant yes
  • Inlet Connection Size 2''
  • Inlet Connection Type Female Threaded
  • Inlet Thread Type NPT
  • Maximum Temperature Deg F 250
  • Maximum Working Pressure Psi 38
  • Outlet Connection Size 2''
  • Outlet Connection Thread Type NPT
  • Outlet Connection Type Female Threaded
  • Pressure Range 30 to 150
  • Pressure Relief Setting Psi 50
  • Pressure Steam Discharge Capacity 5575000 Btu/hr
  • Protection Type Pressure
  • Series 174A

Additional information

  • Water seal of high temperature resisting material isolates spring working parts from water during relief
  • Non mechanical seat-to-disc alignment will not stick or freeze
  • Bronze body safety relief valves for pressure protection only of all types of hot water heating boiler equipment
  • Water can and No.39;t be trapped and sediment can and No.39;t foul seat

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