Easy for you. Safe for those who use it.

When it comes to water safety, why take risks? At Zurn, we zero in on water control, safety and conservation with every innovation.

Our new 400ST Stainless Steel n-Pattern Backflow Preventer Series focuses on the features that matter most to contractors, building owners, and water utilities. Designed with a stainless steel body and smaller footprint, the 400ST Series withstands the corrosive effects of water and allows for direct drop-in replacement – delivering convenience without compromise.

Rely on What Works

• Same internal components as the existing Zurn Wilkins 300 Stainless Steel Series add up to nearly two decades of field testing and proven dependability
• Patented compound checks provide ultra-low pressure drop as documented by approval authorities, reducing the need for a booster pump
• Time-tested check and relief valve components ensure easy maintenance and more water system uptime

Reduce Stumbling Blocks

• New backflow setter eliminates the concrete thrust blocks, allowing for easier installation and lower cost
• Choose from a variety of series models and sizes

Replace without Job Site Pains

• Narrow footprint offers the ideal dimensions for direct drop-in replacement of the Febco® 800 Series*
• Patented AR spool for end-of-life replacements of our Zurn 400 Ductile Iron n-Pattern Series, as well as unique customer-modified installations, provides additional drop-in replacement options for every installation setting

The Conclusion

The 400ST Stainless Steel n-Pattern Series features a smaller footprint for direct drop-in replacement, superior stainless steel body to resist corrosion and extend the product life, and intelligent features to eliminate job site parts, labor, and costs. We solve smarter to make it easy for you and safe to use.

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