Rinnai Demand Duo® H-Series Commercial Hybrid Indoor System – LP (CHS19980HiP)

Experience exceptional efficiency and performance with the Rinnai Interior Compact Wall Hanging Rack 2-Unit – Natural Gas (TRX02CXIN).
Designed for commercial and high-demand applications, this wall-mounted tankless system combines two CX199 commercial units in one compact frame to deliver superior hot water output while saving valuable space.

Each rack is pre-assembled and factory-tested, featuring integrated manifolds and pre-installed cascade controls that ensure consistent temperature control and simple installation.
Perfect for facilities, hotels, or multi-unit residences, the Rinnai 2-Unit Rack brings unmatched reliability and energy efficiency in a sleek, space-saving design.

Key Features:

• Dual CX199 Tankless Units – Delivers commercial-grade performance.
• Max Input Rate: 398,000 BTU/hr | Min Input: 15,200 BTU/hr.
• High Flow Rate: 10.8 GPM at a 70°F rise for heavy-duty usage.
• Compact Design: Takes up minimal wall space.
• Easy Installation: Mounts directly over existing wall conditions with an offset bracket.
• Fully Assembled Frame: Factory-tested manifolds for hassle-free setup.
• Cascade Controls: Pre-installed to link and synchronize both units.
• Flexible Options: Includes NG setup and propane conversion kit.
• Optional Freestanding Rack Accessory available.
• Durable Construction: Built for long-term performance and reliability
  

What’s Included

• (2) Rinnai CX199 Commercial Tankless Units (Natural Gas)
• Pre-assembled steel wall rack with integrated manifolds
• Pre-installed cascade control system
• Offset wall-mounting bracket
• Propane conversion kit
• Installation and user manual
  

Specifications:

Attribute	Details
Brand	Rinnai
Model Number	TRX02CXIN
Product Type	Interior Compact Wall Hanging Rack
Configuration	2-Unit Commercial Tankless System
Gas Type	Natural Gas (Propane Conversion Kit Included)
Maximum Input Rate	398,000 BTU/hr
Minimum Input Rate	15,200 BTU/hr
Flow Rate (70°F Rise)	10.8 GPM
Mount Type	Wall-Mounted
Dimensions (W × H × D)	39″ × 37″ × 13″
Product Weight	169 lbs
Shipping Weight	169 lbs
Optional Accessory	Freestanding Rack
Application	Commercial / High-Demand Use

Care & Maintenance Instructions

• Schedule annual maintenance to ensure optimal efficiency.
• Inspect gas lines and connections periodically for leaks or damage.
• Keep air intake and exhaust vents clean and free from debris.
• Flush the heat exchanger regularly to prevent scale buildup.
• Only use approved Rinnai service parts for repairs or replacements.
• Store the propane conversion kit in a dry, secure place when not in use.