The John Guest Connector easily reduces 1/2” CTS copper, PEX, CPVC, or PE-RT pipe up to 3/8” or 1/4” OD tubing sizes. This device is ideal for water supply connections in filtration systems or equipment when installing directly to 1/2” CTS plumbing size. The John Guest Connector incorporates the John Guest Twist-to-Lock feature on 1/2”CTS connection and is approved for behind-the-wall applications with no access panels. This device does not require special tools, crimping, glue, or soldering; it has a full flow fitting and can be installed in wet lines.



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