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The Oatey 43901 Back Water Valve is designed for efficient drainage in plumbing systems. This three-inch valve is made from durable ABS material that ensures long-lasting performance. It is suitable for use in DWV (drain, waste, and vent) systems, offering reliable operation for various applications.
This back water valve effectively prevents unwanted backflows, ensuring water only flows in the intended direction.
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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