--- product_id: 424202898 title: "A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set, with R12 to R134A Low Side Adapter, BPV31 Bullet Piercing Valve, for HVAC Refrigerant System R12 R22 R502 R134A" brand: "fanovo" price: "VT4299" currency: VUV in_stock: true reviews_count: 8 category: "Fanovo" url: https://www.desertcart.vu/products/424202898-a-c-retrofit-valve-kit-refrigerant-retrofit-valve-set-r12 store_origin: VU region: Vanuatu --- # Universal R12 to R134a adapter Durable brass & zinc alloy construction BPV31 bullet piercing valve fits multiple pipe sizes A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set, with R12 to R134A Low Side Adapter, BPV31 Bullet Piercing Valve, for HVAC Refrigerant System R12 R22 R502 R134A **Brand:** fanovo **Price:** VT4299 **Availability:** ✅ In Stock ## Summary > ❄️ Upgrade your A/C game—retrofit like a pro, no sweat! ## Quick Answers - **What is this?** A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set, with R12 to R134A Low Side Adapter, BPV31 Bullet Piercing Valve, for HVAC Refrigerant System R12 R22 R502 R134A by fanovo - **How much does it cost?** VT4299 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/424202898-a-c-retrofit-valve-kit-refrigerant-retrofit-valve-set-r12) ## Best For - fanovo enthusiasts ## Why This Product - Trusted fanovo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Premium brass and zinc alloy materials ensure long-term reliability for professional repairs. - • **All-in-One Repair Kit:** Includes piercing valve, hex key, and adapters—everything to get your HVAC system running. - • **Trusted by Pros & DIYers:** Highly rated with 4.6 stars, perfect for automotive and home A/C retrofits pre-1994. - • **Versatile Pipe Compatibility:** One BPV31 valve fits 1/4", 5/16", and 3/8" pipes—no extra parts needed. - • **Seamless R12 to R134a Conversion:** Effortlessly upgrade legacy A/C systems with the 7/16'' low side adapter. ## Overview The A/C Retrofit Valve Kit by FANOVO is a professional-grade HVAC tool designed for converting older refrigerant systems (R12, R22, R502) to modern R134a. Featuring a universal 7/16'' low side adapter and a versatile BPV31 bullet piercing valve compatible with multiple pipe sizes, this kit is crafted from durable brass and zinc alloy for lasting performance. Ideal for automotive and home air conditioning repairs, it comes complete with all necessary components and enjoys a strong 4.6-star user rating. ## Description Buy A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set, with R12 to R134A Low Side Adapter, BPV31 Bullet Piercing Valve, for HVAC Refrigerant System R12 R22 R502 R134A: Air Conditioning Line Repair Tools - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: It works!!! - Great product and fit. Review: Awesome product - Works perfect fixed my fridge ## Features - 【A/C Retrofit Valve Kit】The a/c recharge valve kit includes：1 pieces r22 to r134a low side adapters with dust cap, 1 pack BPV31 bullet piercing tap valve (with 1 piercing valve, 1 hex key, 2 adapters) - 【R12 to R134A Retrofit Conversion Adapter】The ac retrofit valve with blue dust cap with 7/16'' low side port can convert from R12, R22, R502 to R134a - 【BPV-31 Bullet Piercing Tap Valve】The bpv31 piercing valve is compatible with 1/4inch, 5/16inch, 3/8inch outside diameter pipes. And the bullet piercing tap valve can replace the part model of AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31 - 【Premium Material】The r12 to r134a retrofit conversion fitting is made of premium brass and the BPV-31 bullet piercing tap valve is made of zinc alloy, which make the retrofit valve kit durable for long-time use to meet your daily repair work need - 【Wide Application】The a/c recharge valve kit usually used for automotive or home air conditioning refrigerant systems. Suit for vehicles pre-1994, comes with R-134a refill fittings ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09SW4PPRP | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #32,977 in Automotive ( See Top 100 in Automotive ) #48 in Air Conditioning Line Repair Tools | | Brand | FANOVO | | Color | Silver/Gold--1 pack | | Customer Reviews | 4.6 4.6 out of 5 stars (365) | | Date First Available | February 19, 2022 | | Exterior Finish | Brass | | Inlet Connection Type | Compression | | Item Package Quantity | 2 | | Item Weight | 3.84 ounces | | Item model number | 747992830948 | | Manufacturer | AMZ9-1-2 | | Material | Brass, Zinc Alloy | | Number Of Pieces | 2 | | Number of Ports | 6 | | Outlet Connection Type | Barb | | Package Dimensions | 4.02 x 3.07 x 0.75 inches | | Part Number | AMZ9 | | Specification Met | ASME B16.34 | | UPC | 747992830948 | ## Product Details - **Brand:** FANOVO - **Exterior Finish:** Brass - **Inlet Connection Type:** Compression - **Manufacturer:** AMZ9-1-2 - **Material:** Brass, Zinc Alloy - **Number of Ports:** 6 - **Outlet Connection Type:** Barb - **Specification Met:** ASME B16.34 - **UPC:** 747992830948 ## Images ![A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set, with R12 to R134A Low Side Adapter, BPV31 Bullet Piercing Valve, for HVAC Refrigerant System R12 R22 R502 R134A - Image 1](https://m.media-amazon.com/images/I/711V42zNk1L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ It works!!! *by M***L on February 14, 2026* Great product and fit. ### ⭐⭐⭐⭐⭐ Awesome product *by R***T on December 16, 2025* Works perfect fixed my fridge ### ⭐⭐⭐⭐⭐ Used r34a freon on 30 year old freezer. *by A***E on August 22, 2025* Easy install. Cooling well. ## Frequently Bought Together - A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set, with R12 to R134A Low Side Adapter, BPV31 Bullet Piercing Valve, for HVAC Refrigerant System R12 R22 R502 R134A - Lichamp A/C R134A Refrigerator Freon Recharge Kit with Bullet Piercing Valve, Piercing and Self-Sealing Can Tap 134A - Chinco Piercing Valve Kits Bpv-31 Refrigerator Tap Valve Compatible with 1/4, 5/16 and 3/8 Inch Outside Diameter Pipes, Replace for Ap4502525, Bpv31d, Gpv14, Gpv31, Gpv38, Gpv56, Mpv31(2 Sets) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/424202898-a-c-retrofit-valve-kit-refrigerant-retrofit-valve-set-r12](https://www.desertcart.vu/products/424202898-a-c-retrofit-valve-kit-refrigerant-retrofit-valve-set-r12) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-06-05*