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The Zurn Wilkins 34-975XL3 Model 975XL is a 3/4 inch bronze NPT backflow preventer designed for high hazard protection against backsiphonage and backpressure in potable water systems. This backflow preventer is compact and the lightest in its category, which allows for flexible installation options. The all-bronze construction resists corrosion and ensures durability, making it suitable for varied conditions.
This model features a top-access modular check for simple maintenance. It also includes test ports for quick installation and testing, making it a practical choice for plumbing professionals.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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