--- product_id: 515520444 title: "TSI Supercool 28399 HVAC Leak Stop 2-oz. Syringe (60 mL) with Application Hose, 2. Fluid_Ounces" brand: "tsi supercool" price: "S$89" currency: SGD in_stock: true category: "Tsi Supercool" url: https://www.desertcart.sg/products/515520444-tsi-supercool-28399-hvac-leak-stop-2-oz-syringe-60 store_origin: SG region: Singapore --- # Treats up to 6-ton HVAC units Polymer-free, eco-friendly formula Seals leaks ≤30mm permanently TSI Supercool 28399 HVAC Leak Stop 2-oz. Syringe (60 mL) with Application Hose, 2. Fluid_Ounces **Brand:** tsi supercool **Price:** S$89 **Availability:** ✅ In Stock ## Summary > 🧊 Seal leaks, silence noise, and save your system—because your comfort deserves the best. ## Quick Answers - **What is this?** TSI Supercool 28399 HVAC Leak Stop 2-oz. Syringe (60 mL) with Application Hose, 2. Fluid_Ounces by tsi supercool - **How much does it cost?** S$89 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/515520444-tsi-supercool-28399-hvac-leak-stop-2-oz-syringe-60) ## Best For - tsi supercool enthusiasts ## Why This Product - Trusted tsi supercool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Corrosion Defense:** Includes an additive package that actively protects your system from future corrosion damage. - • **Eco-Conscious Formula:** Polymer-free and biodegradable, designed for the responsible professional who values sustainability. - • **Leak-Proof Confidence:** Permanently seals leaks up to 30mm, so your system stays chill without surprise breakdowns. - • **Universal Compatibility:** Works seamlessly with all lubricants and refrigerants—no compatibility headaches here. - • **Noise Reduction & Longevity:** Reduces compressor noise while extending the life of your HVAC system—quiet and durable. ## Overview The TSI Supercool 28399 HVAC Leak Stop is a 2-oz syringe with an application hose designed to permanently seal leaks up to 30mm in A/C and refrigeration systems up to 6 tons. Its polymer-free formula ensures no harm to system components, while additives protect against corrosion. Compatible with all lubricants and refrigerants, it also reduces compressor noise and extends system life, making it an eco-friendly, professional-grade solution for HVAC maintenance. ## Description HVAC Leak Stop 2-oz. Syringe (60 mL) with Application Hose will treat up to a 6-ton unit. It includes a reusable application hose. It permanently seals leaks 30mm and smaller in A/C and refrigeration systems. It does NOT contain polymers and will NOT harm A/C system or components. It Includes an additive package that protects against future corrosion. It is compatible with all lubricants and refrigerants. It both reduces compressor noise and extends life. TSI Supercool offers biodegradable lubricants that put us on the forefront of responsible manufacturing. ## Features - May cause damage to organs through prolonged or repeated exposure. - Suspected of damaging fertility or the unborn child. - Toxic to aquatic life with long lasting effects. - 2-Ounce Syringe Treats Up to 6 Ton Units. Fit Type: Universal Fit — NOT FOR AUTOMOTIVE USE -- - Permanently Seals Leaks in A/C and Refrigeration Systems - Does Not Contain Polymers, Will Not Harm A/C System Or Components - Additive Package Protects Against Future Corrosion - Compatible with All Lubricants and Refrigerants ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07BH9Y9RC | | ASIN | B07BH9Y9RC | | Best Sellers Rank | 604,426 in Automotive ( See Top 100 in Automotive ) 1,568 in Fillers, Adhesives & Sealants | | Brand Name | TSI Supercool | | Customer Reviews | 3.7 3.7 out of 5 stars (347) | | Customer reviews | 3.7 3.7 out of 5 stars (347) | | Global Trade Identification Number | 00672264028399 | | Guaranteed software updates until | unknown | | Included Components | HVAC Leak Stop Syringe^Applicator Hose | | Item Type Name | HVAC Leak Stop 2-oz. Syringe (60 mL) with Application Hose | | Item Volume | 2 Fluid Ounces | | Item Weight | 2 Ounces | | Item model number | 28399 | | Manufacturer | TSI Supercool | | Manufacturer | TSI Supercool | | Material | Plastic Rubber | | Model Number | 28399 | | Package Dimensions | 24.1 x 23.9 x 4 cm; 56.7 g | | Part Number | 28399 | | Sterile | Sterile | | UPC | 672264028399 | ## Product Details - **Brand:** TSI Supercool - **Item volume:** 2 Fluid Ounces - **Material:** Plastic Rubber - **Number of items:** 1 - **Sterility rating:** Sterile ## Images ![TSI Supercool 28399 HVAC Leak Stop 2-oz. Syringe (60 mL) with Application Hose, 2. Fluid_Ounces - Image 1](https://m.media-amazon.com/images/I/81vgeD2DJ2L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Is there any risk in using "too much"? I only have a 3 ton system. Any risk in using all of it?** A: Really depends on the type of system you have. But for the most part I would not use more than two applications in a year. If your system uses an expansion valve it may stop it up. I got tired of my system and started using the LG dual inverter AC unit. It uses one third of the electricity and saves me about $250 a month. **Q: Puedo usar este producto para sellar una fuga en el sistema de aire acondicionado del carro?** A: No me lo recomiendo. **Q: Does this work with 410A systems?** A: It should work with any refrigerant system. Be patient installing it. Do not use it all on small systems. It doesn't say that anywhere on the package. It does says that it's enough for a 6 ton AC unit. That being said, don't use it all on a 9 ounce system. **Q: Can it be used on automotive r134a a/c systems?** A: No, it is for stationary HVAC-R systems. ## Frequently Bought Together - TSI Supercool 28399 HVAC Leak Stop Syringe with Application Hose, 2 fl. oz. (60 mL) - InterDynamics Certified A/C Pro Car Air Conditioner Leak Detector Dye, Detection UV Dye Detects Leaks in R-12 and R-134A Condition Systems, 1 Oz --- ## 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.sg/products/515520444-tsi-supercool-28399-hvac-leak-stop-2-oz-syringe-60](https://www.desertcart.sg/products/515520444-tsi-supercool-28399-hvac-leak-stop-2-oz-syringe-60) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-11-07*