Noritz EZTR40

Noritz has changed the game with the new EZTR40. Finally a direct tankless replacement for a 40 and sometimes 50 gallon tank that can be installed in the same time as a tank type water heater is now available. Retro fit of those tanks has been made EZ by our new top mount water connections, ½ gas line, and most of all the ability to vent directly through the existing 3” or 4” round B-Vent.


  • NRC663-FSV
  • .87 Uniform Energy Factor
  • Minumum 15,000 to Max 120,000 BTUh
  • 0.5 to 6.6 GPM


Specification Sheet
Owner’s Guide


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