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DESCRIPTION

  • Ceiling Mount
  • Compact for installation ease
  • Horizontal or vertical (up or down) installation
  • Modular design
  • One 100 watt max. medium base
  • Replaceable seats

Watts Reduced Pressure Zone Double Check Backflow Preventer Outside Stem & Yoke

W909OSY

Valve Size:

SPECIFICATIONS

ASSE Standards
ASSE 1013
AWWA Specifications
AWWA C-511-92
CSA Certified
CSA B64.4
End Connection 1
NPT
Lead Law Compliance Level
Not Approved for Potable Water Applications
Material
Cast Iron
Maximum Pressure
175 psi
Maximum Temperature
110
UL Listed
Yes
Valve Seat Material
Celcon®
Valve Size
4 in
Width
4 in

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