COUPLING
Straight Coupling
Join straight copper tube runs with a push-fit connection.
- Catalog size range
- 1/4″–1 3/4″6.35–44.45 mm
ZPUSH TAIWAN / REFRIGERANT FITTINGS
ZPUSH Fittings — Refrigerant Push-to-Connect Solutions
ZPUSH refrigerant copper tube fittings include straight couplings, elbows, reducers and service accessories. No brazing or on-site flaring is needed at the push-fit end. Select for your tube size, refrigerant and operating conditions, and always prepare the tube ends before installation.
PRODUCT RANGE / SIZES & FITTINGS
Connect, turn and service.
Choose your tube size.
From straight runs and changes of direction to equipment connections, choose fittings for your refrigerant, tube size and project requirements.
90° ELBOW
90° Elbow
Change direction neatly at pipework corners.
- Catalog size range
- 1/4″–1 3/4″6.35–44.45 mm
FLARE ADAPTER
Flare Adapter
Connect to equipment without on-site flaring at the push-fit end.
- Catalog size range
- 1/4″–3/4″6.35–19.05 mm
REDUCING COUPLING
Reducing Coupling
Connect different tube sizes to suit the system layout.
- Catalog size range
- 1/4″–1 3/4″6.35–44.45 mm
Please specify both tube diameters when selecting a reducer.
CHARGING PORT
Refrigerant Charging Fitting
A service connection option for refrigerant pipework.
- Catalog size range
- 3/8″–1 3/4″9.52–44.45 mm
BALL VALVE
Ball Valves & End Caps
Options for service isolation and sealing tube ends.
- Ball valve
- 1/4″–1 5/8″6.35–41.28 mm
- End cap
- 1/4″–1 3/4″6.35–44.45 mm
Size ranges are based on page 4 of the September 24, 2026 Taiwan catalog; metric diameters are referenced on page 6. Appearance varies by model. Contact us on LINE for availability and pricing.
INSIDE THE FITTING
What happens inside after insertion?
1:12Inside the fitting
How is the tube secured and sealed?
A cutaway animation explains the internal grip and sealing mechanism.
Watch videoAPPLICATION / PIPING LAYOUT
From fitting selection
to piping layout.
A factory display board shows straight runs, changes of direction and equipment connections using push-fit fittings.
REFRIGERANT COMPATIBILITY
Manufacturer-confirmed refrigerants
The manufacturer confirms compatibility with the following 16 refrigerants.
- R32
- R134a
- R290
- R404A
- R407A
- R407C
- R407F
- R410A
- R448A
- R449A
- R452A
- R454B
- R507
- R600a
- R1234yf
- R1234ze
R1233zdUnder manufacturer testing
Confirm selection for the specific model and system operating conditions.
INSTALLATION
Fewer steps.
The same care at every stage.
Quick connections still need careful workmanship. A reliable joint starts with properly prepared copper tubing.
Hover over a step to see the imageTap a step to see the image
- 01
Cut & round
Cut squarely and check that the tube end is round. Remove any damaged section.
Cut
RoundCatalog illustration | Cutting and rounding the tube end - 02
Deburr & clean
Remove inside and outside burrs and clean the surface to avoid damaging the seals.
Deburr
CleanCatalog illustration | Deburring and surface cleaning - 03
Mark & insert
Mark the insertion depth specified for the model. Push in until the mark aligns with the edge of the fitting.
Catalog installation photo | Joining copper tubing to a push-fit fitting - 04
Check & leak-test
Check that the joint is fully seated, then pressure-test, leak-test and evacuate to the system specifications.
Factory photo | Piping test setup
This is a process overview. Installation must follow the manufacturer's instructions and be carried out by qualified professionals.
2:0010 common questions
Questions to ask before you choose.
Common questions about push-fit fittings, from VRV systems to air-conditioner installations.
Watch videoChoose your size. Tell us what you need.
Share the product type, tube size and quantity. We will help confirm your selection and provide a quote.