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Watts 0274428

Watts 174A Series M3 Bronze Pressure Relief Valve, 3/4 x 3/4 Inch, FNPT x FNPT

  • Mfg. Name: Watts
  • Brand Name: Watts
  • MPN: 0274428
  • PSCN: 4294
  • UPC: 098268013054
  • Min. Ord. Qty: 1
  • Qty. Interval: 1
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  • Seat located above drain, water cannot be trapped and sediment cannot foul seat
  • Non-mechanical seat-to-disc alignment will not stick or freeze
  • Water seal of high temperature resisting material isolates spring working parts from water during relief

Standard/Approvals: Tested And Rated By The National Board Of Boiler And Pressure Vessel Inspectors To The Requirements Of ASME, Meets Military Specification MIL-V-18634B, Type I, Class 3A, Style A

Application: For Pressure Protection Of Hot Water Heating Boilers

Brand : Watts
Series/Model : 174A Series, M3
Item Name : Pressure Relief Valve
Nominal Size : 3/4 x 3/4 Inch
Connection Type : FNPT x FNPT
Body Material : Bronze
Capacity : 650000 BTU/hr at 30 psi
Pressure Rating : 30 - 150 psi
Temperature Rating : 250 deg F
Setting Pressure : 30 psi
Dimensions : 2-3/4 Inch Length x 4-1/2 Inch Height

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