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Wilkins Pressure Vaccuum Breaker Assemblies

Zurn Wilkins manufactures the highest backflow preventers.
Perfect for the plumbing, irrigation, fire protection, and waterworks industries, such as double check, reduced pressure principle, double check detector, and reduced pressure detector assemblies.
420
Designed for installation on potable water lines to protect
against backsiphonage of contaminated water into the
potable water supply. Supplied with an integral anti-freeze
relief valve to reduce the risk of valve damage under intermittent,
non-seasonal freezing conditions. Designed for
use under continuous pressure. Assembly shall provide
protection where a potential health hazard exists.
720
Designed for installation on irrigation water lines to protect
against backsiphonage of contaminated water into the potable
water supply. Assembly shall provide protection where
a potential health hazard exists.
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

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