SPECIAL: Optional offer to Buy One Get One Free or See Now on HGTV! [ no thanks ]

Designed for commercial water heating, Rinnai’s Tankless Rack System and Common Vent offer an easy-to-install, pre-packaged, energy-efficient water heating system.

  • Modular flexible design for easy installation, commissioning & maintenance
  • Sized to fit through a 32” door frame
  • Condensing design for optimal efficiency with a .95 Energy Factor
  • Indoor and outdoor models
  • 15,200 to 4.9 million BTU systems available with a 327:1 turn down ratio
  • Can be ordered, built and shipped, fully assembled, within 5 business days to any location in the United States and Canada
  • Available with individual concentric venting or Rinnai’s Common Vent for fewer penetrations (U.S. only)
  • A single Common Vent supports vent runs up to 100 feet, based on sizing configurations
  • Condensing design for optimal efficiency with a .95 Energy Factor
  • Built-in redundancy

Rinnai will provide a Commercial Sizing Report with Piping Diagram – free of charge!

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