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The PARKER PF-00089 is a push-to-connect tube-to-male NPT tube fitting designed for fast, tool-free connections in fluid and pneumatic distribution systems. Constructed from brass, this inline union fitting accommodates 3/4-inch outside diameter tubing on each tube port and a 1/2-inch male NPT threaded center connection. Rated to 250 psi working pressure, it is suited for use in compressed air, water, and compatible fluid lines. Licensed plumbers, HVAC technicians, and mechanical contractors install this style of fitting where quick reconnection or serviceability is a priority.
This fitting is commonly used in residential and light commercial installations involving copper, nylon, or polyethylene tubing runs that terminate at or pass through a threaded port. Typical applications include HVAC condensate and process lines, compressed air distribution, and potable water or irrigation systems where push-to-connect technology speeds installation and reduces labor. The male NPT port allows direct thread engagement into valve bodies, manifolds, tees, or equipment ports without additional adapters.
Designed as an OEM-style push-to-connect replacement or new-install fitting for 3/4-inch OD tubing systems with 1/2-inch MNPT threaded ports in compressed air, water, and compatible fluid distribution applications.
This fitting is installed by licensed plumbers or mechanical contractors in jurisdictions governed by the IPC or applicable local mechanical codes. Before installation, depressurize and drain the line completely. Ensure tubing ends are cleanly cut square and deburred before insertion into the push-to-connect ports. Thread the MNPT connection hand-tight before applying wrench torque to the hex; use thread sealant appropriate to the service fluid per the system manufacturer's recommendation.
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