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WATTS®
WATTS® 0278030 174A Pressure Relief Valve, 2 in Nominal, FNPT End Style, 30 to 150 psi Pressure, Bronze Body
Superseded

Superseder Products

WATTS®: F278030

WATTS®

WATTS® 0278030 174A Pressure Relief Valve, 2 in Nominal, FNPT End Style, 30 to 150 psi Pressure, Bronze Body

BrandWATTS®
MFR Part No0278030
TSCO Part Number429805

Warranty Length

  • 1 year Limited

Features

  • Soft seated
  • Automatic reseating
  • 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
  • In 5 psi (34.5 kPa) increments from 30 to 150 psi (2 to 10 bar) with corresponding high ratings from 650000 to 14370000 Btu/hr pressure

Standard Approvals

  • Military Spec MIL-V-18634B
  • Type I
  • Class 3A
  • Style A (Bronze Body)
  • Style B (Iron Body) and National Board of Boiler and Pressure Vessel Inspectors to the requirements of ASME
  • PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm.