INT CTWH 199K BTU, 11 GPM, BT SMART SINT CTWH 199K BTU, 11 GPM, BT SMART S Imagine a world of endless hot water, delivered on demand with remarkable efficiency and the intelligence of smart technology. That world is now a reality with the INT CTWH 199K BTU, 11 GPM, BT SMART S, also known as the Rinnai SENSEI RX199iN condensing tankless water heater. Remarkably compact, about the size of a small suitcase, this powerhouse redefines convenience and performance for your home. Unmatched
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