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XANTUS Products

51-101 - Xantus - Max Seal Ultra with UV Dye Direct Inject 2 ton - 10 ton

51-101 - Xantus - Max Seal Ultra with UV Dye Direct Inject 2 ton - 10 ton

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$82.22 CAD
$82.22 CAD
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51‑101 Xantus Max Seal Ultra with UV Dye – Direct Inject Leak Sealant (2–10 Ton Systems)


Backed by over 20 years of proven field performance, the Xantus sealant formula continues to set the standard in HVACR leak repair. Max Seal Ultra with UV Dye combines this trusted chemistry with a redesigned, larger direct‑inject cartridge, making it the most powerful injection system Xantus has ever produced.
Delivering 2.5 times the sealing power of a standard 20‑101, Max Seal Ultra is engineered to permanently seal leaks in 2–10 ton HVAC and refrigeration systems. The advanced direct‑inject design allows easy pass‑through without pumping down the system, even when servicing high‑pressure refrigerants such as R410A, saving valuable time on the job.
Max Seal Ultra is compatible with all oils and refrigerants (excluding ammonia) and is proven not to clog TXVs, capillary tubes, or manifold gauges, ensuring safe and reliable system operation. The integrated UV dye allows technicians to quickly locate leaks and confirm successful sealing using standard UV detection tools.
Designed for professional HVACR technicians, Max Seal Ultra delivers maximum sealing strength, fast installation, and long‑term system protection.

Key Features

  • Most effective, proven sealant on the market
  • 2.5× the sealing power for permanent leak repair
  • Proven not to plug TXVs, capillary tubes, or manifold gauges
  • Works with all oils and refrigerants (excluding ammonia)
  • Features XL4 Hyper Seal™ technology
  • Made in the U.S.A.
  • UV dye included for fast leak detection and verification
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