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The Mainline ML237AB-3/4 is a brass swing check valve designed for efficiency in plumbing systems. This lead-free valve features a durable Y-pattern that allows for smooth flow while preventing backflow.
This swing check valve is essential for maintaining the integrity of your piping systems.
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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