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The Rinnai SENSEI CX199iN is a condensing indoor tankless water heater with a 199,000 BTU maximum input and up to 11 GPM of hot water. It runs at 97% thermal efficiency with a UEF of 0.98 and is ENERGY STAR certified and SCAQMD Ultra Low NOx approved. It is built for pros: a compact combustion design, cascading and recirculation capability, and Wi-Fi capability with an accessory module. Against non-condensing tankless units it recovers more heat from the exhaust, and its 15,000 BTU minimum input helps it modulate on small draws instead of cycling.
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The Rinnai SENSEI CX Series CX199iN is a condensing tankless water heater for indoor installation. It uses a more compact combustion design, which makes installation and servicing easier. It supplies on-demand hot water for residential and commercial applications.
It has a Uniform Energy Factor of 0.98 and 97% thermal efficiency. Heating input ranges from 15,000 to 199,000 BTU/H, and the maximum domestic hot water flow rate is 11 GPM. The unit is ENERGY STAR certified and SCAQMD approved as Ultra Low NOx.
The heater uses direct electronic ignition and is compatible with concentric and direct venting. It can be cascaded with other units, supports recirculation, and is Wi-Fi capable. It is available for natural gas or propane.
