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The PRO-SOURCE 2555538365PRO is a push-to-connect tube-to-universal-thread tube fitting designed for fast, tool-free tubing connections in fluid and pneumatic systems. Constructed from nickel-plated brass, it accepts 3/8-inch outside diameter tubing and features a 3/8-inch universal thread on the mating end. The fitting is rated to 250 psi maximum working pressure and handles temperatures from 0 degrees F to 160 degrees F. The Buna O-ring sealing element provides reliable leak resistance across a range of compatible media. This type of fitting is commonly installed by plumbing, HVAC, and pneumatic system technicians who need a secure, repeatable connection without soldering or flaring.
This fitting is suited for use in residential and light commercial fluid or pneumatic distribution lines where push-to-connect convenience and a universal thread interface are required. Typical applications include compressed air distribution, water supply tubing runs, and instrument tubing connections. The universal thread design allows it to mate with a broad range of port configurations encountered in both new installations and service work. Sold in a package quantity of 5 units.
Designed as an OEM-style replacement or new-installation fitting for fluid and pneumatic tubing systems using 3/8-inch OD tubing with a 3/8-inch universal thread port connection.
Installation is typically performed by licensed plumbers, HVAC technicians, or pneumatic system technicians. Before servicing any line, depressurize and, where applicable, shut off the fluid supply upstream of the connection point. Ensure tubing is cut cleanly and squarely and that the tube end is free of burrs before insertion to achieve a proper seal. Verify that system operating pressure and temperature remain within the rated limits of this fitting at all times.
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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