Products > HVAC/R Push-to-Connect Fittings > HVAC/R Push-to-Connect Unions

HVAC/R Push-to-Connect Unions

providing a quicker and safe connection for HVAC/R systems

Connect refrigerant lines in seconds with QuickFitting HVAC/R Push-to-Connect fittings. Built for HVAC and refrigeration systems, they eliminate the need for brazing, help reduce installation time, and provide secure, leak-resistant connections for approved refrigerants, including select A2L-classified refrigerants.

Features & Benefits

Fast Installation
No Brazing, Flaring, or Swaging
Leak-Resistant Performance
A2L Compatible: R452B, R454B
Approved Refrigerants: R22, R32, R134a, R290, R404a, R407a, R407c, R410a, R500, R600a
UL Certified
Corrosion-Resistant Brass
Removable
5 Year Limited Warranty

Approved Applications

Residential HVAC
Commercial HVAC
Copper Line Sets
Coated Aluminum Line Sets
Mini-Split HVAC Units
Unitary Indoor Coils

Where to buy

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Product Details for HVAC/R Push-to-Connect Unions

FREQUENTLY ASKED QUESTIONS

Everything you need to know about HVAC/R push-to-connect unions.

What is an HVAC/R Push-to-Connect Union?

An HVAC/R Union is a straight connector designed to join two sections of refrigerant tubing without brazing, flaring, or swaging.

When should I use an HVAC/R Union?

HVAC/R Unions are ideal for joining two like-sized refrigerant lines during new installations, repairs, retrofits, or system modifications.

What tubing materials are compatible with HVAC/R Unions?

QuickFitting HVAC/R Unions are approved for use with copper and coated aluminum line sets.

Do HVAC/R Unions require brazing or special tools?

No. HVAC/R Unions install using push-to-connect technology and do not require brazing, flaring, swaging, or open flames.

Are HVAC/R Unions approved for refrigerant applications?

Yes. HVAC/R Unions are designed specifically for approved HVAC/R refrigerant line applications.

Which refrigerants are compatible with HVAC/R Unions?

HVAC/R Unions are approved for use with major refrigerants, including approved A2L refrigerants such as R-454B and R-452B.

Are HVAC/R Unions compatible with A2L refrigerants?

Yes. QuickFitting HVAC/R Unions are UL certified for use with approved A2L refrigerants

How do HVAC/R Unions help prevent leaks?

The patented design utilizes a double O-ring and grip ring seal that helps maintain a secure, leak-resistant connection under vibration, pulsation, and temperature changes.

Can HVAC/R Unions be removed after installation?

Yes. HVAC/R Unions can be disconnected using a QuickFitting release tool, making servicing and system modifications easier.

What sizes are available for HVAC/R Unions?

QuickFitting HVAC/R Unions are available in sizes ranging from 1/4″ through 7/8″ to accommodate common refrigerant line applications.

What is the pressure rating of HVAC/R Unions?

QuickFitting HVAC/R Unions are rated for pressures up to 870 psi (60 bar).

What are the benefits of using QuickFitting HVAC/R Unions instead of traditional connection methods?

QuickFitting HVAC/R Unions help reduce installation time, eliminate the need for open flames, simplify repairs, and provide durable, leak-resistant refrigerant line connections.