Quick Fitting Push-To-Connect 1/2"x3/8" Coupling

1/2″ x 3/8″ Push-to-Connect HVAC Coupling Reducer
Connect Refrigerant Lines in Seconds
No Tools, No Heat

The QuickFitting® Push-to-Connect Coupling Reducer is engineered for fast, safe, and reliable HVAC/R connections—no brazing, flaring, or swaging required.

Key Features:

• DURABLE – Heavy-duty brass body resists corrosion, UV exposure, and harsh environments.

• REMOVABLE – Easily disconnects using a release tool for adjustments or rework.

• LEAK-RESISTANT – Patented double O-ring and grip ring seal prevents leaks from vibration, galling, or temperature changes.

• PATENTED DESIGN – Ensures a strong, long-lasting, and secure seal every time.

Approved Refrigerants:
Compatible with: R22, R32, R134a, R290, R404a, R407a, R407c, R410a, R500, R600a
Also A2L-class approved: R452B, R454B*

Remove yellow dust caps before installation.  

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Why Push-to-Connect?
QuickFitting® HVAC connections are faster, cleaner, and safer than traditional methods—no open flames, nitrogen purging, or specialty tools needed.