Wilkins 420XL

The 420XL series PVB’s are used to protect potable water lines against cross-contamination caused by backsiphonage. They feature a built-in freeze relief valve for occasional, non-seasonal freeze protection, and are designed for use under continuous pressure.
3/4" and 1" sizes available in lead-free bronze.

2 products
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Product Description Part# / Brand Qty Unit Price
3/4" Vacuum Breaker (Lead-Free)
In Stock
34-420XL
Zurn
x1
$95.95 / each
1" Vacuum Breaker (Lead-Free)
In Stock
1-420XL
Zurn
x1
$108.95 / each
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About Wilkins 420XL series

420XL model pressure vacuum breaker offers protection against backsihponage in applications where a potential health hazard exists. These units have an integral anti-freeze valve and a replaceable modular cartridge for easier maintenance and repair. Comes complete with full port ball valves and test cocks.

Specifications

Max working pressure: 175 psi
Temperature range: 33-140°F
Hydrostatic test pressure: 350 psi
Threaded connections comply with ANSI B1.20.1

Cross-Reference

Watts: 800M4QTFR
Febco: 767FR
Conbraco: 4V-500

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