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The PARKER 701004 is a brass barbed hose fitting connector designed for secure, leak-resistant hose-to-pipe connections in fluid transfer applications. It features a 1/2 inch barbed end sized at 0.530 inches for a firm grip on 1/2 inch ID hose and a 1/2 inch Female NPSM threaded end for connection to pipe or equipment ports. The brass construction provides good corrosion resistance across a wide service temperature range, from -40 degrees F to 160 degrees F. This fitting is well suited for plumbing, HVAC, and light industrial fluid handling systems where a reliable barb-to-female-pipe transition is needed.
This connector is used in residential and light commercial applications where flexible hose meets a threaded female pipe port. Typical install scenarios include water supply lines, coolant loops, and other low-to-moderate pressure fluid circuits. The threaded Female NPSM connection mates with standard pipe fittings, and the barbed end retains hose without additional hardware, though a hose clamp is standard practice for pressurized service. Licensed plumbers and HVAC technicians are the primary installers of this fitting type.
Designed as an OEM-style replacement or new-installation fitting for systems using 1/2 inch ID flexible hose with a 1/2 inch Female NPSM threaded port connection.
This fitting is typically installed by licensed plumbers or HVAC technicians. Shut off fluid supply and relieve system pressure before removing or installing any hose fitting. Use a wrench on the hex head to tighten the threaded end; do not over-torque brass fittings. A hose clamp over the barbed end is strongly recommended for any pressurized application. Follow applicable IPC or local plumbing code requirements for the system being serviced.
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