--- product_id: 138985533 title: "AC Leak Freeze Pro Nano with UV 45318 Refrigerant Leak Sealant, Quick and Easy, HVAC, 1.5 oz." brand: "rectorseal" price: "€ 144.54" currency: EUR in_stock: true reviews_count: 8 category: "Rectorseal" url: https://www.desertcart.hr/products/138985533-ac-leak-freeze-pro-nano-with-uv-45318-refrigerant-leak store_origin: HR region: Croatia --- # UV formula for leak detection Nano-particle dual sealant tech OEM approved, HVAC safe AC Leak Freeze Pro Nano with UV 45318 Refrigerant Leak Sealant, Quick and Easy, HVAC, 1.5 oz. **Brand:** rectorseal **Price:** € 144.54 **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Seal smarter, cool longer β€” don’t let leaks leave you out in the heat! ## Quick Answers - **What is this?** AC Leak Freeze Pro Nano with UV 45318 Refrigerant Leak Sealant, Quick and Easy, HVAC, 1.5 oz. by rectorseal - **How much does it cost?** € 144.54 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/138985533-ac-leak-freeze-pro-nano-with-uv-45318-refrigerant-leak) ## Best For - rectorseal enthusiasts ## Why This Product - Trusted rectorseal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Safe & Certified:** Non-polymer, non-flammable, non-toxic formula approved by HVAC OEMs. - β€’ **Revitalize & Save:** Permanently stops refrigerant leaks, extending AC system life and efficiency. - β€’ **Nano-Powered Precision:** Advanced leak-seeking nanoparticles fill micro cracks for a permanent seal. - β€’ **Plug & Play Application:** Standard 1/4" adapter ensures quick, professional-grade installation. - β€’ **UV Leak Detection Ready:** Integrated UV formula highlights leaks under UV light for easy pinpointing. ## Overview AC Leak Freeze Pro Nano with UV 45318 is a 1.5 oz professional-grade refrigerant leak sealant featuring innovative nano-particle technology that permanently seals micro leaks in HVAC and refrigeration coils. Its UV-reactive formula enables easy leak detection under UV light, while being OEM approved, non-toxic, and safe for both residential and commercial systems. Designed for quick application with a standard 1/4" adapter, it revitalizes AC systems by stopping refrigerant loss and improving efficiency. ## Description AC leak freeze PRO refrigerant leak sealant with new leak seeking nano particles creates a stronger dual sealant; nano particles are non-polymer and non-reactive technology that fills cracks and imperfections in hvac coils. Standard 1/4" AC leak freeze adapter; ready to use and safe for HVAC systems; OEM approved and professional install is recommended; OEM approved and professional install is recommended. OEM approved and easy to apply. AC leak freeze will stop leaks of refrigerant gas in HVACR air conditioning and refrigeration systems in homes and commercial buildings. AC leak freeze revitalizes AC and refrigeration systems by permanently sealing small, hard-to-find micro leaks. 1.5 oz leak freeze pro nano with UV; UV formula adds the ability for a UV light source to detect larger leaks; polymer free, non-flammable and non-toxic; OEM approved and safe for HVAC systems. FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets. Review: Best to have gauges hooked up. - So far this has worked better than anything else I have tried. I used this in a 3ton mini split that I couldn’t keep charged for more than a month, I have not had to add any refrigerant since I ran this through the system. Review: Did not work properly - Did not work. I believe the product had already been used. ## Features - APPLICATION: AC Leak Freeze PRO refrigerant leak sealant with new leak seeking nano particles creates a stronger dual sealant; nano particles are non-polymer and non-reactive technology that fills cracks and imperfections in hvac coils - EASY TO APPLY: Standard 1/4" AC leak freeze adapter; ready to use and safe for HVAC systems; OEM approved and professional install is recommended - STOP LEAKS PERMANENTLY: AC leak freeze will stop leaks of refrigerant gas in HVACR air conditioning and refrigeration systems in homes and commercial buildings; AC leak freeze revitalizes AC and refrigeration systems by permanently sealing small, hard-to-find micro leaks - SPECIFICATIONS: 1.5 oz leak freeze pro nano with UV; UV formula adds the ability for a UV light source to detect larger leaks; polymer free, non-flammable and non-toxic; OEM approved and safe for HVAC systems - FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07SZJ6RLX | | Best Sellers Rank | #134,720 in Automotive ( See Top 100 in Automotive ) #53 in Refrigerants | | Brand | Rectorseal | | Brand Name | Rectorseal | | Color | Yellow | | Compatible Material | For Use in Copper and Aluminum Coils | | Customer Reviews | 3.9 out of 5 stars 41 Reviews | | Global Trade Identification Number | 00021449453189 | | Included Components | AC Leak Freeze PRO Nano UV | | Item Dimensions | 1.5 x 2 x 10 inches | | Item Form | Liquid | | Item Type Name | leak sealer | | Item dimensions L x W x H | 1.5 x 2 x 10 inches | | Manufacturer | Rectorseal | | Material | leak seeking nano particles creates a stronger dual sealant | | Material Type | leak seeking nano particles creates a stronger dual sealant | | Model | 45318 | | Number of Items | 1 | | Part Number | 45318 | | Style | AC refrigeration systems | | Style Name | AC refrigeration systems | | Surface Recommendation | Indoor/ Outdoor | | UPC | 021449453189 | | Unit Count | 1.0 Count | | Water Resistance Level | Water Resistant | ## Product Details - **Brand:** Rectorseal - **Item dimensions L x W x H:** 1.5 x 2 x 10 inches - **Material:** leak seeking nano particles creates a stronger dual sealant - **Style:** AC refrigeration systems - **Water Resistance Level:** Water Resistant ## Images ![AC Leak Freeze Pro Nano with UV 45318 Refrigerant Leak Sealant, Quick and Easy, HVAC, 1.5 oz. - Image 1](https://m.media-amazon.com/images/I/6148rKVpQTL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best to have gauges hooked up. *by D***E on March 13, 2026* So far this has worked better than anything else I have tried. I used this in a 3ton mini split that I couldn’t keep charged for more than a month, I have not had to add any refrigerant since I ran this through the system. ### ⭐ Did not work properly *by F***Y on April 2, 2026* Did not work. I believe the product had already been used. ### ⭐⭐⭐⭐⭐ Solid choice! *by O***1 on October 30, 2025* Well made and easy to use. ## Frequently Bought Together - RectorSeal AC Leak Freeze Pro Nano with UV 45318 Refrigerant Leak Sealant, Quick and Easy, HVAC, 1.5 oz. - Rectorseal 45316 AC Freeze PRO Nano Leak Sealer, 1.5 oz, Blue - Rectorseal 45317 Leak Sealer, 1.5 oz, Green --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/138985533-ac-leak-freeze-pro-nano-with-uv-45318-refrigerant-leak](https://www.desertcart.hr/products/138985533-ac-leak-freeze-pro-nano-with-uv-45318-refrigerant-leak) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-25*