Wilkins 375XL

375XL series reduced pressure principle assembly was designed by Wilkins to answer the customers’ needs for a reliable and easy to repair product. 375XL series features a removable pressure vessel for easy winterization where needed, top access test cocks for easy testing and start-up and blow-out flush fitting.
375XLB series are back fusion epoxy coated for theft deterrence.
All sizes available from 1/2" to 2". Lead-free compliant.

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Part#: 114-375XL | Brand: Zurn
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About Wilkins 375XL series

The 375XL RPZ is used for protections of potable water supply from cross-contamination caused by backpressure and backsiphonage. The XLB series are designed to prevent bronze theft. The 375 series uses about 30% less bronze then other backflow preventers and is therefore a safer and more affordable then comparable units on the market.


Max working pressure: 175 psi
Max working temperature: 180°F
Hydrostatic test pressure: 350 psi
Threaded connections comply with ANSI B1.20.1


Watts: 009QT, 995, 909QT, 909M1QT, 919
Febco: 825Y, 860
Conbraco: 40-200-A2
Hersey: FRPII
Ames: 400B, 4000B
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