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The A Y McDonald 5131-100 is a two inch CTS x MNPT adapter designed for plumbing applications. This octagonal straight coupling allows for secure connections between copper tubing and male NPT threads.
This lead-free adapter is suitable for various plumbing tasks, ensuring compliance with safety standards.
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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