Rinnai TRW SENSEI CX 2-Unit Wall-Hanging Tankless Rack System, 398,000 BTU

This Rinnai TRW Series rack hangs two SENSEI CX tankless water heaters on a wall-mounted frame, totaling 398,000 BTU and 22 GPM. Food service and hospitality kitchens are its main target, and it serves as an alternative to standard or high-efficiency tank water heaters.

The system reaches up to 98% thermal efficiency, and the units divide the load evenly to stay efficient as demand changes. SENSEI CX heaters use SmartSense and Versa-Vent technology for indoor or outdoor installation. The rack arrives fully assembled on its frame with factory-tested manifolds.

This configuration burns natural gas with direct electronic ignition and offers a 98-185°F temperature range. It has a 1-1/4 in. MNPT gas connection and a 1/2 in. NPT condensate connection, measures 56.67 in. high, 13 in. wide and 13 in. long, and weighs 221 lb. Systems can grow to 24 units and up to 4.8 million BTU, with an optional BMS Gateway accessory for building management.

Highlights

• Two SENSEI CX units sharing the load evenly on one wall frame

• Up to 98% thermal efficiency

• Indoor or outdoor installation with SmartSense and Versa-Vent technology

• Factory-tested manifolds, fully assembled on the frame

• Expandable to 24 units and up to 4.8 million BTU

Specifications

Good to know

• Gas-fired appliance: it must be installed, vented and commissioned by a qualified installer in line with local codes and the manufacturer's installation manual.