Heavy-Duty Tankless Water Heaters

These quality commercial tankless models are built with extra thick heat exchanger drums and utilize our signature commercial-grade copper alloy. Our heat exchangers provide the strength and durability not found anywhere else, offering light duty models for less-demanding commercial applications to robust models to suit the most challenging of applications. Complimentary products include the Flow Thru® storage tanks for applications where there are intermittent high demands.

Product Features

  • Heat exchanger is constructed of commercial grade copper that is stronger than standard copper and more resilient against erosion and heat stress
  • Continuous maximum flow rates up to 14.5 GPM
  • Easy-link up to 4 units with no additional controller or Multi-link up to 10 units with a multi-unit controller
  • Available for natural gas (NG) or propane (LP)
  • ASME models available
  • Built-in freeze protection
  • Inlet and outlet thermistors and mixing for constant temperature monitoring


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