174A, 3/4" Boiler Pressure Relief Valve (30 psi), 650K BTU
Brand: Watts
Part#: 0274428
Model: 174A-030
In Stock
Usually ships: within 1 business day
Watts 174A series, 30 psi relief valve is intended for use with hot water boilers with rating of up to 650K BTU.

Features:
  • With seat located above drain, the sediment in water cannot clog/foul it
  • Non-mechanical disc-to-seat alignment prevents sticking or freezing
  • Water seal designed to protect the steel spring from contact with water
  • Rugged, bronze body
  • ASME listed, meets MIL-V-18634B

Technical Specifications:
  • Size: 3/4"
  • Connections: Female NPT (inlet) x Female NPT (outlet)
  • Relief Pressure: 30 psi (fixed/non-adjustable)
  • Max Boiler BTU: 650K BTU
  • Max operating temperature: 250°F
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