Rinnai SENSEI RX199iN Condensing Tankless Water Heater, 199,000 BTU, NG/LP

The Rinnai SENSEI RX199iN is a condensing tankless water heater about the size of a small suitcase. With 199,000 BTU and up to 11.1 GPM, it runs on natural gas or propane and installs indoors, or outdoors with the optional Versa-Vent cap.

Smart Sense gas valve technology adapts to natural gas or propane with no conversion kit. Efficiency is rated at 0.98 UEF (97.0% energy efficiency) and meets Energy Star 5.0. Setup and registration happen over Bluetooth with the Rinnai Central app, and Quick Flush simplifies system flushing.

It vents with 2 in. pipe up to 75 ft, with concentric, twin pipe, room air and common vent options. Smart Circ intelligent recirculation works once a pump or pump accessory is fitted, and an internal pump kit allows field conversion. Connections are 3/4 in. gas and water plus a 1/2 in. NPT condensate outlet on a 120 V, 60 Hz supply.

Highlights

• 199,000 BTU input with flow from 0.26 to 11.1 GPM

• 0.98 UEF, meets Energy Star 5.0

• Natural gas or propane without a conversion kit

• 2 in. venting up to 75 ft

• Indoor install, or outdoor with the optional Versa-Vent cap

• Field convertible to recirculation with internal pump kit

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.