**Lead Free
Application
ZURN WILKINS Model 460XL Spill Resistant Pressure Vacuum Breakers are for use on
potable water lines where a health hazard could exist if a backsiphonage situation were
to occur. They must not be installed where backpressure may occur.
Proper performance depends upon following these installation instructions and prevailing governmental and industry standards and codes. Failure to do so releases ZURN
WILKINS of any liability that it might otherwise have with respect to that device. Such
failure could also result in an improperly functioning device.
Standards Compliance
- ASSE® Listed 1020
- IAPMO® Listed
- CSA® Certified
- Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California
Materials
- Main valve body: Cast Bronze ASTM B 584
- Elastomers: Silicone (FDA Approved), Buna Nitrile (NSF Listed)
- Polymers: Polypropylene (FDA Approved), Delrin (NSF Listed)
- Springs: Stainless Steel, 300 Series