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The Sioux Chief 645X43P is a 1 inch PEX x 3/4 inch PVC straight adapter. This fitting is essential for transitioning between PEX and PVC piping systems. It is suitable for cold water applications and is designed to meet ASTM F1807 specifications.
This adapter ensures a reliable transition from PVC service lines to threaded adapters for copper, CPVC, or PEX piping. It is particularly useful for plumbing applications requiring efficient water service.
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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