Boltigen Refrigerator Freon Recharge Hose Kit R134a/R12/R22 White-Style 1 — 2 BPV31 Piercing Valves & Self-Sealing R134a Adapter

Boltigen Refrigerator Freon Recharge Hose Kit is a compact R134a/R12/R22 refrigerant refill set that includes two BPV31 bullet piercing tap valves and a self-sealing R134a adapter to make fridge refrigerant top-ups fast and reliable.

This charging kit bundles the most-used service fittings for appliance refrigerant maintenance: two BPV31 piercing tap valves, an R134a self-sealing adapter, and a pressure gauge-friendly hose assembly with a 1/4" SAE female port. The components are brass and metal for durability, and the gauge reads across common refrigerants so you can monitor pressure while refilling. It’s designed for technicians and knowledgeable DIYers who need a lightweight, portable solution for refrigerator refrigerant service.

How do I use the BPV31 bullet piercing tap valves safely?

BPV31 piercing valves allow you to tap into refrigerant lines without brazing or soldering. Install the valve onto the appliance tubing that matches the compatible outside diameters, tighten securely, then use the included hose and adapter to puncture and control refrigerant flow. Work slowly and follow refrigerant-handling regulations to avoid leaks and environmental release.

• Compatible with 1/4", 5/16", and 3/8" outside diameter pipes
• Brass construction for corrosion resistance and strength
• Simple threaded installation—no welding required
• Use proper PPE and follow local refrigerant handling laws

Will this kit work with disposable R134a puncture cans?

Yes — the R134a self-sealing adapter is made to mate with puncture-style refrigerant cans so you can connect them to the hose assembly without wasting refrigerant. The adapter seals automatically when disconnected, minimizing leaks and improving convenience when topping up an appliance. Ensure the can and adapter are compatible with R134a service fittings before use.

• Includes one R134a self-sealing adapter for puncture cans
• Seals on disconnection to reduce refrigerant loss
• Works with puncture-type R134a disposable cans
• Pair with the BPV31 valves to control flow into appliance lines

Which refrigerants and appliances can this charging hose handle?

The hose and gauge are marked to read pressures for R134a and can also be used with R12, R22, and R502 for diagnostic reference. It’s engineered for refrigerator and small appliance service rather than large HVAC systems. Use this set for domestic refrigerators, freezers, and other small refrigeration appliances where the listed refrigerants are appropriate.

• Gauge calibrated for R134a, with reference values for R12, R22, R502
• 1/4" SAE female port to connect to common access valves
• Best for domestic refrigerators, freezers, and small appliances
• Not intended as a full-service HVAC manifold substitute

How durable and serviceable are the kit components?

Critical parts such as the puncture tap, hose fittings, and gauge shell are built from brass and metal to resist wear and corrosion during repeated use. The BPV31 tap valves are compatible with a range of legacy part numbers, making them suitable replacements during repairs. Regular inspection of seals and threads will prolong service life.

• Solid brass and metal construction for longevity
• Replaces common valve part numbers like AP4502525 and GPV31
• Simple threaded parts for easy replacement or service
• Keep O-rings and seal surfaces clean for reliable sealing

Who is this for: The Boltigen Refrigerator Freon Recharge Hose Kit is aimed at appliance technicians, maintenance professionals, and experienced DIYers who understand refrigerant handling and need a portable, cost-effective kit for topping up residential refrigerators and small freezers. It’s not a substitute for certified HVAC service on larger systems or for users unfamiliar with refrigerant safety and regulations.