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Watts 0382456

Watts® 740 Pressure Relief Valve, 3/4 Inch FNPT, 75 psi, Iron Body, Stainless Steel Spring, 250 deg F
SKU: 17501
Manufacturer part number: 0382456

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Watts® 740 Pressure Relief Valve, 3/4 Inch FNPT, 75 psi, Media: Hot Water, Iron Body, Stainless Steel Spring, Metal Seat, Non-Metallic Disc, 250 deg F, 3 Inch L x 5-5/8 Inch H
  • Seat located above drain; water can't be trapped and sediment can't 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
  • Steam discharge: 925000 BtuH

Standard/Approvals: ASME Approved

Application: Hot Water Space Heating Boilers


Products specifications
Attribute nameAttribute value
Body MaterialIron
Dimensions3 Inch L x 5-5/8 Inch H
End StyleFNPT
ManufacturerWatts Water Technologies
MediaHot Water
Nominal Size3/4 x 1 Inch
Pressure Rating30 psi
Series740
Spring MaterialStainless Steel
Temperature Rating250 deg F
Trim MaterialMetal Seat, Non-Metallic Disc