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The CAMPBELL tp4 is a 1-inch PVC insert tee designed for joining three runs of polyethylene (PE) flexible tubing in cold water distribution systems. The barbed, ribbed insert ends create a mechanical grip that holds under pressure when paired with approved stainless steel clamps or crimp rings. This fitting is manufactured by Baker Water Systems and is suited for residential and light commercial plumbing applications where poly pipe is the standard pipe material. Plumbers and irrigation installers working with flexible PE supply lines are the primary installers of this fitting.
This tee is used in cold water supply lines, rural water systems, well water distribution, and irrigation laterals where flexible poly pipe is routed between components. The insert-style connection requires no solvent cement, making field assembly straightforward. It is appropriate for use in buried or above-ground runs where poly tubing is already specified as the distribution medium.
Designed as an OEM-style replacement fitting for standard 1-inch polyethylene flexible tubing used in cold water distribution plumbing systems.
Installation is typically performed by a licensed plumber or irrigation technician. Shut off the water supply and relieve line pressure before cutting into any existing tubing. Insert each barbed end fully into the poly tubing before applying stainless steel clamps or crimp rings per the fastener manufacturer's torque or crimp specifications. Verify local plumbing codes for approved fitting types and connection methods before installation.
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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