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Watts 0274428

Watts® 174A Relief Valve, 3/4 Inch, FNPT, 30 psi, Bronze Body, Stainless Steel Spring, Lever Actuator, 250 deg F
SKU:

81253

Manufacturer part number:

0274428


Watts® 174A Relief Valve, 3/4 Inch, FNPT, 30 psi, Media: Hot Water, Bronze Body, Stainless Steel Spring, Metal Seat, Non-Metallic Disc, Lever Actuator, 250 deg F, 2-1/2 Inch L x 5-1/8 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
  • Lead free
  • 650000 BtuH

Standard/Approvals: ASME Specified, MIL-V-18634B, Type I, Class 3A, Style A

Application: For Pressure Protection of Hot Water Heating Boilers

Products specifications
Attribute nameAttribute value
Actuator TypeLever
Body MaterialBronze
Dimensions2-1/2 Inch L x 5-1/8 Inch H
End StyleFNPT
ManufacturerWatts Water Technologies
MediaHot Water
Nominal Size3/4 Inch
Pressure Rating30 psi
Series174A
Spring MaterialStainless Steel
Temperature Rating250 deg F
Trim MaterialMetal Seat, Non-Metallic Disc