The Rinnai 6-Unit Free Standing Rack – Natural Gas (TRS06CXIN) is the ultimate commercial-grade hot water solution, engineered for performance, durability, and efficiency. Designed to handle demanding commercial applications, this rack system combines six condensing CX199 tankless water heaters—each delivering 97% thermal efficiency—to provide a reliable, high-volume continuous hot water supply.

Whether used in hotels, hospitals, multi-unit buildings, or large restaurants, the Rinnai system offers built-in redundancy, ensuring uninterrupted operation even if one unit requires maintenance. Its compact modular design fits through standard 32″ doorways and elevators, offering easy installation in both indoor and outdoor settings.

Experience top-tier engineering, Wi-Fi connectivity, and flexible venting options that make the Rinnai 6-Unit Rack an efficient, low-maintenance, and future-ready investment for your commercial hot water needs.

Key Features:

• High-Efficiency System: Features six Rinnai CX199 Tankless Water Heaters delivering 97% thermal efficiency.
• Built-In Redundancy: Continuous hot water flow even if one unit goes offline
• Massive Heating Power: Produces up to 1,194,000 BTU/hr for large-scale applications.
• Wi-Fi Capable: Remote monitoring and management for operational convenience
• Compact & Portable: Fits through 32” doorways and standard service elevators.
• Flexible Venting Options: Compatible with PVC and Rinnai Common Vent systems
• Versatile Installation: Suitable for indoor or outdoor use; compatible with natural gas or propane.
• Commercial-Grade Quality: Engineered with durable materials and backed by Rinnai’s trusted support.
  

What’s Included

• (6) Rinnai CX199 Condensing Tankless Water Heaters
• (1) Free-Standing Modular Rack Assembly
• Factory pre-piping and wiring for simplified setup
• Venting compatibility components
• User installation manual and warranty documentation
  

Specification

Care & Maintenance Instructions

• Schedule annual professional servicing for inspection and descaling.
• Keep the air intake and exhaust vents clear from dust and debris.
• Check Wi-Fi connectivity and update firmware periodically.
• Flush system with vinegar or descaling solution to prevent mineral buildup.
• Always disconnect gas and power before performing maintenance.