Parker 171HD-4-4 Compression Male Run Tee 1/4 in Brass

Product Description

The PARKER 171HD-4-4 is a brass compression tube male run tee designed to create a branch connection in a compression tubing line while providing a male NPT outlet. It features a run-through compression configuration on two ports and a male NPT thread on the branch port, allowing a technician to tap off a pressurized line without cutting the run. Rated to 2,100 psi maximum working pressure, this fitting is built for demanding fluid and pneumatic service. The 1/4-inch tube outside diameter sizing makes it a common choice in control lines, instrument tubing, and refrigeration or HVAC sensing circuits.

This fitting is used in residential and light commercial HVAC, refrigeration, and industrial fluid systems where a durable inline tee with a threaded branch is needed. Typical installations include instrument air lines, refrigerant sensing tubing, hydraulic control circuits, and pneumatic branch connections. The brass construction provides good corrosion resistance in most fluid service environments. It is installed by licensed HVAC technicians, plumbers, and pipefitters working with compression tube assemblies.

Key Features

• Run-through compression ports keep tubing continuous through the fitting with no line interruption
• Male NPT branch port allows direct connection to threaded valves, gauges, or fittings
• Rated to 2,100 psi maximum working pressure for demanding service
• Brass construction resists corrosion in common fluid and pneumatic applications
• Compact tee form factor suited to tight instrument and control panel installations

Compatibility

Designed for use with 1/4-inch outside diameter compression tubing in fluid, pneumatic, and refrigeration control line applications where an inline male run tee connection is required.

Installation Notes

Installation should be performed by a qualified HVAC technician, plumber, or pipefitter. Shut off system pressure and bleed the line before disassembling or installing any compression fitting. Ensure tube ends are cut cleanly and squarely and are free of burrs before seating the compression sleeve. Follow applicable mechanical codes and the fitting manufacturer guidelines for proper compression nut torque to avoid sleeve damage or leaks.