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The EasySeal line has proven to be the number one trusted leak sealant brand for years, with millions of leaks sealed. Now Nu-Calgon has made EasySeal even better with EASYSEAL ULTIMATE – the strongest and fastest leak sealant on the market, now with the ability to treat systems up to 10 tons in one application.

  • Perfect for split systems, heat pumps, microchannel coils, packaged units and mini-splits
  • Permanently seals even larger leaks
  • Rapid Fusion Technology for a stronger bond
  • Easiest to install direct inject
  • Works with all refrigerants
  • Treats larger systems
  • No injection hose or caulk gun needed
  • No need to pump down the system
  • One-time use – quick and easy injection
  • OEM approved not to clog manifold gauges
  • Proven not to plug TXVs, cap tubes or pistons

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