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Sioux Chief 645XP43 is a polymer PEX coupling designed to join 1-inch PEX to 3/4-inch PEX using a barb connection. The coupling supports AccuCrimp-style installation and is compatible with PowerPEX systems meeting ASTM F2159, providing a corrosion-resistant plastic connection for crimp installations in plumbing systems such as residential and commercial supply line transitions and repairs.
Polymer PEX coupling, 1 in. to 3/4 in. PEX barb; AccuCrimp and PowerPEX (ASTM F2159) compatible.
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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