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The NORGREN M24250128 is a straight push-to-connect adapter fitting that connects a 1/8-inch OD tube to a 1/4-inch male NPTF thread. Constructed from brass, this fitting is rated for up to 150 psi maximum working pressure and handles temperatures from 0 degrees F to 175 degrees F. The push-to-connect design allows fast, tool-free tube insertion on the tube end while the male NPTF thread seals on the pipe side. The nitrile O-ring provides a reliable fluid or air seal under pressure. Plumbers, HVAC technicians, and industrial service techs use this fitting in compressed air lines, pneumatic control circuits, and fluid handling systems where a quick tube-to-pipe transition is needed.
This fitting is suited for residential and light commercial applications involving 1/8-inch OD tubing connected to 1/4-inch NPTF male threaded ports. Typical install scenarios include pneumatic actuator supply lines, condensate or fluid transfer tubing, and instrument air connections where a compact inline adapter keeps the run clean and direct. The straight configuration keeps the tube and pipe port in line, minimizing pressure drop through the joint.
Designed as an OEM-style push-to-connect adapter for pneumatic and fluid systems using 1/8-inch OD tubing and 1/4-inch NPTF male threaded ports.
Installation is performed by plumbers, HVAC technicians, or pneumatic system technicians. Depressurize and isolate the system completely before removing or installing any fittings. Apply thread sealant or PTFE tape to the NPTF male threads per the fitting manufacturer and applicable plumbing code requirements. Ensure tubing is cut square and deburred before inserting into the push-to-connect end to achieve a full, reliable seal.
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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