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The A.Y. McDonald 6133-T Series Insert Stiffener, model 4130-760 (6133T), provides essential support in plumbing applications. This stiffener is designed for use with copper tube sizes (CTS) and offers a nominal outer diameter of .85 inches. It is a necessary component for maintaining water service pipe integrity, ensuring secure fittings and connections.
The insert stiffener is ideal for water service applications and is built to withstand various environmental conditions.
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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