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The A.Y. McDonald 4423-041 is a PEX crimp ring designed for plumbing applications. This crimp ring is made from pure, annealed blackened copper and is suitable for use with valves. It is a reliable choice for those working in plumbing or HVAC.
This crimp ring ensures a secure seal in PEX installations and is essential for effective plumbing 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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