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The PRO-SOURCE 2555811063PRO is a push-to-connect tube-to-tube fitting designed for quick, tool-free connections in compressed air and water systems. Constructed from nickel-plated brass, it delivers a rated working pressure of 250 psi and uses a Buna-N O-ring for a reliable, leak-resistant seal. The push-to-connect design allows tubing to lock in with a single push and release with a simple collar retract, reducing installation time on pneumatic and fluid transfer lines. This fitting ships as a pack of three units, making it practical for multi-point installations or stocking service vehicles. Licensed plumbers, HVAC technicians, and industrial maintenance professionals regularly specify this style of fitting for low-to-medium-pressure service applications.
This fitting is suited for residential and light commercial applications where 10 mm outside-diameter tubing is joined in compressed air distribution, potable or non-potable water lines, and similar fluid conveyance systems. Its nickel-plated brass body handles typical shop air, pneumatic tool supply, and water service environments. The Buna-N O-ring performs reliably across a broad range of temperatures commonly encountered in these installations. Each pack includes three identical fittings, supporting runs that require multiple inline connections or providing replacement inventory for service trucks and shop benches.
Designed for use with compressed air and water systems utilizing 10 mm outside-diameter tubing. Suitable as a tube-to-tube inline connector in pneumatic distribution and fluid transfer applications where push-to-connect fittings are specified.
Installation is performed by licensed plumbers or qualified HVAC and mechanical technicians. Before servicing any line, depressurize the system completely and shut off the water or air supply at the source valve. Ensure tubing ends are cut square and deburred before inserting into the fitting to guarantee a proper seal and full engagement of the O-ring. Applicable work should conform to local plumbing codes and ASME or ASTM standards governing compressed air and water piping systems.
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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