The Zurn Wilkins 420XL Pressure Vacuum Breaker Assembly with integral freeze relief poppet. Primarily for residential irrigation systems, but can be used in potable water applications.
Modular design eases repair time and cost Internal relief valve provides light freeze protection Low-lead law compliant
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Zurn delivers advanced engineered water solutions that promote safety, efficiency, and sustainability across commercial and industrial buildings. Backed by over a century of innovation, Zurn remains a trusted industry leader through its dedication to quality, performance, and customer-focused design.