Aupoko R1234YF refrigerant charge hose kit — 1/2" LH self-sealing can tap, 14mm low-side coupler, 100 PSI gauge

Aupoko's R1234YF refrigerant charge hose kit is a compact, metal-and-rubber service kit designed to safely attach to 1/2" LH self-sealing R-1234YF cans and deliver accurate low-side charging with an integrated pressure gauge.

This kit combines a self-sealing can tap, a 14mm low-side quick coupler, a 100 PSI gauge, and a reinforced hose into a single tool for topping up vehicle or small HVAC systems that use R1234YF refrigerant. Built for technicians and DIYers who need a rugged, portable charging assembly, the components are rated for service pressures and include safety features to reduce accidental loss of refrigerant during connection and disconnection.

How does this kit connect to R-1234YF cans and systems?

The kit uses a 1/2" left-hand threaded self-sealing can tap that screws onto compatible R-1234YF cans, avoiding puncture-style openings. A 14mm low-side quick coupler then mates to the vehicle or appliance service port with a 90-degree push-and-lock design for fast engagement.

• 1/2" LH self-sealing can tap for compatible R-1234YF cans.
• 14mm low-side quick coupler with auto shutoff to prevent refrigerant escape.
• 90° push-and-lock connection for easier access in tight locations.
• Built-in safety valve to reduce accidental deflation during use.

What pressure range and materials should I expect from the gauge and hose?

The gauge reads up to 100 PSI for low-side charging, while the hose assembly is engineered to withstand working pressures between 600 and 3000 PSI thanks to reinforced rubber and metal fittings. This combination gives a durable connection for repeated professional use.

• 100 PSI analog gauge for visible charge monitoring.
• Reinforced rubber hose rated 600–3000 PSI for strength and flexibility.
• Metal couplers and can tap for corrosion resistance and longevity.
• Overall hose length ~40 cm (15.75") for convenient reach.

How easy is the kit to use and maintain for repeat jobs?

The kit is designed for straightforward installation: screw the can tap to a compatible can, attach the quick coupler to the system’s low-side port, and monitor the gauge while controlling flow. The auto shutoff coupler and self-sealing tap simplify connections and minimize refrigerant loss, and the gauge includes an adjustable zeroing knob if needed.

• Simple screw-on 1/2" LH can tap—no puncturing required.
• Auto shutoff quick coupler for fast, clean disconnects.
• Gauge cover and adjustment knob to recalibrate the needle to zero.
• Compact 40 cm length keeps the assembly manageable in tight engine bays.

What limitations or compatibility notes should I know first?

This can tap only works with self-sealing R-1234YF cans that have a 1/2" left-hand thread; it is not suitable for one-time puncture cans or other refrigerant types. Always verify can and system compatibility before charging and ensure the gauge needle reads zero before beginning—adjust the gauge knob if necessary.

• Compatible only with self-sealing 1/2" LH R-1234YF cans; not for puncture cans.
• Intended for R1234YF refrigerant—do not use with other refrigerant types.
• Check gauge zero and adjust knob before use for accurate readings.
• Follow local regulations for refrigerant handling and disposal.

Who is this for: The Aupoko R1234YF charge hose kit suits professional technicians, automotive HVAC specialists, and informed DIYers working on systems that specify R1234YF refrigerant. Pick this kit if you need a compact, durable charging assembly with a clear low-side gauge, a reliable 1/2" LH self-sealing can tap, and a 14mm quick coupler that reduces loss during service. If you work with puncture-style cans or different refrigerants, choose a tool matched to those containers and service protocols.