

Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The PARKER 6505 56 18WP2 is a push-to-connect tube fitting connector designed for quick, tool-free tube connections in fluid and pneumatic systems. Built from polymer construction, this reducer connector joins tubing with a 1/4-inch OD on one end to 3/8-inch OD tubing on the other, making it suitable for applications where two different tube sizes need to be coupled inline. It is rated to 230 psi, providing reliable pressure holding in typical low-to-medium-pressure service lines. HVAC technicians, plumbers, and pneumatic system installers use fittings like this where fast assembly and a leak-resistant seal are required without threading or soldering.
This push-to-connect connector fits residential and light commercial systems where polymer fittings are appropriate, including condensate drain lines, pneumatic control tubing, and low-pressure fluid distribution. The reducer configuration accommodates transitions between 1/4-inch and 3/8-inch OD tubing in a single fitting body, eliminating the need for an additional adapter. It is sold individually and suited for service, repair, and new installation work.
Designed as an OEM-style push-to-connect replacement connector for systems using 1/4-inch and 3/8-inch OD tubing in low-to-medium-pressure pneumatic or fluid line applications.
Push-to-connect fittings should be installed by qualified HVAC technicians, plumbers, or pneumatic system technicians. Ensure the system is fully depressurized and isolated before removing or installing any fitting. Tubing ends must be cut cleanly and squarely, free of burrs, to achieve a proper seal on insertion. Verify tubing OD dimensions before installation to confirm fitment.
Thanks for subscribing!
This email has been registered!