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The SharkBite UP412A5 is a poly alloy barb insert tee fitting designed for use with cross-link polyethylene (PEX) tubing in residential and light commercial plumbing systems. Sized at 3/4 inches x 3/4 inches x 1/2 inches, this fitting handles both hot and cold potable water distribution. The poly alloy construction replaces traditional brass PEX insert fittings to comply with California AB 1953 low-lead requirements. Each pack contains 5 fittings. NSF Listed inserts confirm suitability for drinking water contact. Installation requires either copper crimp rings or a compatible cinch clamp system. After crimping, fittings can be pressure-tested well above 100 psi immediately.
This fitting is suited for residential water distribution rough-in, remodel plumbing, and repair work where PEX tubing is the piping material. Typical applications include branch connections off a 3/4 inch main run to a 1/2 inch supply drop. Compatible with cinch clamp tools and copper crimp ring methods, giving installers flexibility depending on the tools on hand. The 5-pack quantity supports multi-connection jobs without requiring multiple orders.
Designed for use with cross-link polyethylene (PEX) tubing for hot and cold water applications. Compatible with True Value 608-933 cinch clamp and requires True Value 608-743 cinch tool or standard copper crimp rings for installation.
Installation is performed by licensed plumbers or qualified tradespersons familiar with PEX systems. Shut off the water supply and relieve system pressure before cutting into any existing line. Use the correct crimp ring size or cinch clamp for the tubing dimension being connected, and verify full seating of the barb insert before applying the ring or clamp. Work must comply with local plumbing codes, which typically reference IPC or UPC standards for PEX fitting installations.
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