SPECIAL ORDER ITEM. Review Returns Policy before purchase. This 1 in CPVC x 1 in PEX transition socket fitting provides a secure and efficient connection between CPVC and PEX piping systems. Designed for durability and reliability, it ensures a tight, leak-resistant seal in both residential and commercial plumbing applications. Its robust construction supports long-term performance, while the socket design allows for straightforward installation and smooth system integration.