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The VALUE COLLECTION 6630-004 is a push-to-connect tube-to-tube fitting designed for quick, tool-free connections in fluid and pneumatic plumbing lines. Constructed from lead-free brass, this fitting meets modern plumbing material standards and is rated for a maximum working pressure of 200 psi. It accepts 3/4 inch outside diameter tubing on both ends and relies on an EPDM O-ring for a reliable, leak-resistant seal. Licensed plumbers and HVAC technicians use this type of fitting where a fast, secure tube-to-tube connection is needed without soldering or compression tools.
This fitting is suited for residential and light commercial plumbing and HVAC applications where 3/4 inch OD tubing runs require straight inline connection. The push-to-connect design reduces installation time on service calls and retrofit work. The EPDM O-ring material provides compatibility with water and a range of common system fluids encountered in mechanical plumbing systems.
Designed as a standard push-to-connect replacement fitting for 3/4 inch OD tube-to-tube inline connections in residential and light commercial plumbing and HVAC piping systems.
Installation should be performed by a licensed plumber or qualified mechanical technician in accordance with applicable IPC and local plumbing codes. Shut off and depressurize the system fully before removing any existing fitting or inserting tubing into the push-to-connect end. Ensure tubing is cut square, deburred, and fully seated past the O-ring before restoring pressure. After pressurizing, inspect the connection for leaks before closing out the work.
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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