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Watts Valves Relief Valve
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Watts 3/4 In Iron Boiler Pressure Relief Valve, 50 psi, Forged Brass Inlet

SKU: 0358551

$137.50

MSRP

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Product Details

Watts 0358551

This 3/4'' pressure relief valve is used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of a brass body construction, non-metallic disc-to-metal seating and stainless steel spring. This valve 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 and should not be used as an operating control. The pressure setting is 50 psi for applications up to 797,000 BTU/hr.


  • UPC 098268560930
  • Online Product ID 3632161
  • Weight 1.1 lbs.
  • Material Iron
  • Buy American Act Compliant yes
  • Inlet Connection Size 0.75''
  • Inlet Connection Type Female Threaded
  • Inlet Thread Type NPT
  • Maximum Temperature Deg F 250
  • Maximum Working Pressure Psi 10
  • Outlet Connection Size 0.75''
  • Outlet Connection Thread Type NPT
  • Outlet Connection Type Female Threaded
  • Pressure Relief Setting Psi 50
  • Pressure Steam Discharge Capacity 797000 Btu/hr
  • Protection Type Pressure
  • Series 374A

Additional information

  • Non-mechanical seat-to-disc alignment will not stick or freeze
  • 797,000 BTU/hr rating
  • Set pressure at 50 psi
  • Iron body with forged bronze inlet

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