Bullet Piercing Valve Kit For Refrigerator BPV31 With Brass Low Side R12 To R134a Conversion Adapter And Line Tap Valve Boltigen Pro Grade AC Retrofit Kit For HVAC Fridge Refrigerant System
✔️ Includes 2 BPV31 piercing valves and brass R12→R134a adapter
This two-pack BPV31 bullet piercing valve kit is designed for refrigerators and HVAC refrigerant lines, enabling safe access for charging and servicing sealed systems. It’s commonly used by technicians and DIYers during R12 to R134a retrofits and system diagnostics.
✅ 2x BPV31 piercing valves fit 1/4" (6.35 mm), 5/16" (7.94 mm), 3/8" (9.53 mm) OD pipes
✅ R12 to R134a brass retrofit adapter with 7/16" low-side port
✅ Includes valve core remover tool for quick service
✅ Durable corrosion-resistant metal construction for long-lasting use
💡 What is a refrigerant piercing valve kit used for in HVAC and refrigeration systems? This handy tool helps service pros retrofit older systems and access sealed lines without full disassembly. - piercing valve enables safe access to refrigerant lines - R12 to R134a adapter enables retrofit to modern refrigerants - BPV31 compatibility with common pipe sizes 1/4", 5/16", 3/8" OD