Rinnai TRX Series 22 GPM 398,000 BTU Indoor Outdoor 2 Unit Sensei CX Tankless Water Heater Compact Wall Hanging Rack System - TRX02CXIN
Rinnai TRX Series 22 GPM 398,000 BTU Indoor Outdoor 2 Unit Sensei CX Tankless Water Heater Compact Wall Hanging Rack System - TRX02CXIN
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High-Capacity Hot Water with the Rinnai TRX02CXIN 2-Unit SENSEI CX Tankless Rack System
Replace bulky tanks with a compact, preassembled rack that delivers big hot-water output. The Rinnai TRX02CXIN combines two SENSEI CX199i condensing tankless units on a low-profile aluminum frame—ideal for restaurants, hospitality, and light commercial change-outs. Expect up to 10.8 GPM @ 70°F rise (two units) with 97% thermal efficiency, plus built-in cascade controls for balanced runtime and redundancy.
Key Features
Save Energy & Lower Operating Costs
Each CX199i is a super-high-efficiency condensing unit rated 97% thermal efficiency (UEF up to 0.98), helping trim gas use versus atmospheric tanks. Condensing heat recovery plus electronic modulation keeps outlet temperature steady across varying demand—without wasting fuel at idle.
Everyday Performance You Can Feel
The two-unit rack delivers up to 10.8 GPM @ 70 °F and 7.6 GPM @ 100 °F rise—great for dish rooms, showers, and back-to-back draws. At low temperature rises, combined output can approach ~22 GPM (two 11.0 GPM units), supporting large intermittent peaks.
Durable Materials, Easier Care
A powder-coated aluminum frame resists corrosion; the water header uses rigid copper, and the gas trunk is Schedule-40 steel for robust service connections. CX-series safety systems include flame-failure, overheat, blocked-flue, and automatic freeze protection up to 10,100 ft altitude.
Redundancy That Keeps You Running
With two independent CX199i engines, the system shares load for longer life and keeps hot water online if one unit is down for service. Integrated cascade logic balances runtime automatically—no external controller required.
Product Details
- Commercial dual tankless water heater rack system (2-unit configuration)
- Maximum output: up to 22 GPM total capacity
- Total input: 398,000 BTU
- High-efficiency condensing SENSEI CX technology
- Wall-mounted, pre-assembled rack design for faster installation
- Built-in cascade control for balanced system operation
- Designed for restaurants, hospitality, and light commercial use
- Space-saving alternative to traditional storage tank systems
- Indoor installation configuration
- Engineered for continuous, high-demand hot water delivery
For decades, Rinnai has been a trusted leader in high-efficiency water heating solutions. Their advanced tankless and heating systems are designed to deliver consistent hot water comfort while improving energy efficiency.
Additional Information
- Brand: Rinnai
- Model (MPN): TRX02CXIN
- Type: Commercial Tankless Water Heater Rack System
- Application: Commercial / High-Demand Hot Water Systems
- Configuration: Dual Unit (SENSEI CX Series)
- Warranty: 1 year on Rack Components
Rinnai TRX02CXIN FAQ
What is the Rinnai TRX Series tankless water heater system used for?
The Rinnai TRX02CXIN compact rack system is designed for commercial buildings that need high-volume hot water, such as restaurants, hotels, gyms, and multi-unit facilities.
How much hot water does the TRX02CXIN system provide?
This dual-unit tankless system delivers up to 22 GPM and 398,000 BTU, making it suitable for high-demand environments where multiple fixtures run at the same time.
Is the TRX Series rack system good for restaurants and commercial kitchens?
Yes, this type of commercial tankless setup is commonly used in foodservice environments because it maintains steady hot water delivery even during peak usage periods.
What are the advantages of a dual tankless water heater system?
A dual-unit configuration helps balance demand between both heaters, improves efficiency, and adds redundancy so hot water supply continues even if one unit is offline for service.
Is a tankless rack system more efficient than a traditional tank water heater?
In most commercial applications, yes. Because the Rinnai TRX02CXIN system heats water on demand, it avoids standby heat loss and can improve overall energy efficiency compared to large storage tank systems.
| Weight | 221.0 lb |
|---|---|
| Collection | TRX Series |
| Connection Size | 1 in. |
| Connection Type | Threaded |
| Flow Rate | 10.8 GPM |
| Fuel Type | Natural Gas |
| Height | 37.00 in. |
| Horse Power | 1/3 |
| Inlet Size | 1 in. |
| Installation Type | Indoor / Wall Mounted |
| Length | 39.00 in. |
| Room | Utility |
| Vent Type | Atmospheric |
| Voltage | 120 V / 60 Hz |
| Width | 13.00 in. |
| Inventory Number | RINTRX02CXIN |
| MPN | TRX02CXIN |
| Amps | 8 |
| BTU | 398,000 |
