--- product_id: 341912943 title: "Direct Inject AC Leak Sealer 3-Pack | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in the USA" brand: "leak saver" price: "€ 243.60" currency: EUR in_stock: true reviews_count: 5 category: "Leak Saver" url: https://www.desertcart.gr/products/341912943-direct-inject-ac-leak-sealer-3-pack-ac-stop-leak store_origin: GR region: Greece --- # Direct inject, no mess installation Works with all AC & refrigerants Made in USA, trusted by pros Direct Inject AC Leak Sealer 3-Pack | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in the USA **Brand:** leak saver **Price:** € 243.60 **Availability:** ✅ In Stock ## Summary > ❄️ Seal leaks like a pro—because your AC deserves the best! ## Quick Answers - **What is this?** Direct Inject AC Leak Sealer 3-Pack | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in the USA by leak saver - **How much does it cost?** € 243.60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/341912943-direct-inject-ac-leak-sealer-3-pack-ac-stop-leak) ## Best For - leak saver enthusiasts ## Why This Product - Trusted leak saver brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Permanent Leak Sealing:** Stops small refrigerant leaks fast by reacting with air & moisture at leak site - • **Proven Industry Leader:** Over 4 million units sold since 2015, HVAC pros’ #1 trusted leak sealer - • **Effortless Installation:** Injects directly with manifold gauge or Leak Shot kit—no syringes or pressurized cans - • **Safe for All Components:** Compatible with all HVAC tools, valves, and oils without damage or clogging - • **Universal Compatibility:** Seals leaks in all HVAC systems & refrigerants (except ammonia) including cars & mini-splits ## Overview Leak Saver Direct Inject AC Leak Sealer is a professional-grade, permanent refrigerant leak repair solution compatible with virtually all HVAC systems and refrigerants. Designed for easy direct injection without mess, it safely seals small leaks by reacting with air and moisture, trusted by HVAC technicians nationwide with over 4 million units sold since 2015. Proudly made in the USA, it ensures reliable, long-lasting performance for systems up to 5 tons. ## Description More than 3 Million leaks sealed and counting! We are a company founded and actively managed by HVAC technicians. Our goal is to bring you the best Leak Sealants and tools that we use ourselves on our daily jobs. We have literally tried everything! These are the products we stand behind 100%. Tried and True Refrigerant Leak Repair There has been a lot of confusion about refrigerant leak sealants and we want to set the record straight. Our product is a true refrigerant leak sealant that has been developed and refined over 18 years. With over 3 million units sold in the Direct Inject format since 2015 (almost all to HVAC professionals), we stand 100% behind the effectiveness of our product. However, we won't stop here. We strive to continually make our products better and better! Perfect For Those Stubborn Little Leaks: More than Three Million Units Sold The numbers don’t lie! With more than 3,000,000 units sold of this sealant formula since 2015, we are the chosen leak sealant among HVAC professionals. The Leak Saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 72 hours. It works similarly to how blood in your body reacts to a cut. When a leak occurs, the Leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. Patent-Pending Easy Direct Injection Installation Method No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits. Note: for automotive systems, you will still need the standard 134A to 1/4” charging adapter. Mini-splits may require a 5/16” to 1/4” charging adapter. Compatible With All Systems, Refrigerant, and Tools The Leak Saver Direct Inject is compatible with all systems, refrigerants (except ammonia), and oils. It is great for central air conditioners, car and automotive air conditioners, refrigerators, Review: I bought this and put all 3 in 4 tons ac , not any work at all Wasting time and money DO NOT BUY Review: The leaked inside package ## Features - STOP LEAKS PERMANENTLY - The Leak Saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 7 days. When a leak occurs, the Leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks - WORKS WITH ALL SYSTEMS INCLUDING CARS - Our product is compatible with all systems, refrigerants (except ammonia), car refrigerants, and oils. It is great for central air conditioners, and automotive air conditioners, refrigerators, ductless mini-splits, heat pumps, geothermal heat pumps, commercial refrigeration systems, micro channel coils and more. It also works with all refrigerants including R410A Freon, R22 and replacements, R134A , r1234yf, R404A, R290, R600a, and more - STRAIGHTFORWARD INSTALLATION - No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver HVAC sealant injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits. NOTE: for automotive systems, you will still need the standard 134A to 1/4” charging adapter. Mini-splits may require a 5/16” to 1/4” charging adapter. You can see our straightforward installation videos below - SAFE FOR ALL TOOLS AND PARTS - Our HVAC leak sealer is safe for all manifold gauges, hoses, expansion valves (TXVs, TEVs, capillary tubes, etc), Schrader valves, and anything needed to service your system. Adapter required for mini splits (5/16" to 1/4") and automotive systems ( 134A to 1/4") - THE MOST TRUSTED - The numbers don’t lie! With more than 4,000,000 units sold of our air conditioner leak sealer formula since 2015, we are the most trusted leak sealant among HVAC professionals. Proudly made in the USA. We stand 100% behind the quality of our products. If for any reason you are not satisfied with your order, reach out to us and we will make it right. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B075KVNKLG | | Brand | Leak Saver | | Customer Reviews | 4.4 4.4 out of 5 stars (306) | | Date First Available | 21 February 2018 | | Item Weight | 218 g | | Item model number | LS-05 | | Manufacturer | Leak Savers | | Manufacturer Part Number | LS-05 | | Product Dimensions | 16.51 x 24.38 x 5.08 cm; 217.72 g | ## Images ![Direct Inject AC Leak Sealer 3-Pack | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in the USA - Image 1](https://m.media-amazon.com/images/I/61raLKAsEXL.jpg) ## Questions & Answers **Q: Will this work with my system?** A: The Leak Saver works with all air conditioner and refrigeration systems. It is compatible with all refrigerants (except ammonia) and is compatible with all oils. **Q: How does the Leak Saver work?** A: After injection, The Leak Saver sealant circulates throughout the system with the refrigerant. If there is a small leak, the sealant reacts with the moisture and oxygen at the leak site to form a permanent "scab-like" seal. **Q: What do I need to install the Leak Saver?** A: To inject the Leak Saver, you will need either a basic set of manifold gauges or our Leak Shot injector. When using it with automotive systems, you will need a 134a to 1/4” adapter. Ductless mini-split systems may require a 5/16” to 1/4” adapter. **Q: What size leak will the Leak Saver seal?** A: The Leak Saver is able to seal small refrigerant leaks where the complete charge is not lost within 7 days. If this is not possible, your leak is too large to be repaired with Leak Saver. **Q: What do I do if it doesn’t work?** A: We stand behind the effectiveness. If you are not completely satisfied, please reach out to us directly and we will make it right. With more than 4 million units of this formula sold since 2015, we have a strong track record of effectiveness. ## Customer Reviews ### ⭐ Review *by A***R on 24 December 2021* I bought this and put all 3 in 4 tons ac , not any work at all Wasting time and money DO NOT BUY ### ⭐ Review *by 9***M on 27 January 2025* The leaked inside package ### ⭐⭐⭐⭐⭐ Review *by H***Y on 10 March 2026* Needed to top off the refrigerant every year. It would last the whole summer. The leak got worse last year. It'd leak completely after a week. Without spending big money to hire a professional, the leak saver allows the top off to last the whole summer. Happy customer 🙂 ## Frequently Bought Together - Leak Saver Direct Inject AC Leak Sealer 3-Pack | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in The USA - Leak Saver AC Drain Line Cleaner Tool & Leak Sealant Injector | Condensate Line Co2 Drain Gun | AC Drain Line Unclogger --- ## 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.gr/products/341912943-direct-inject-ac-leak-sealer-3-pack-ac-stop-leak](https://www.desertcart.gr/products/341912943-direct-inject-ac-leak-sealer-3-pack-ac-stop-leak) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-05-07*