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The Rinnai RX130iN is a condensing indoor tankless water heater in the Sensei RX Pro Build line, rated up to 130,000 BTU with a 0.97 UEF. Its standout feature is Adaptive Gas Valve Technology, which lets the same unit run on natural gas or propane without a conversion kit. It suits homes with moderate hot-water demand that want high efficiency and a single SKU for either fuel. Against rivals like Navien and Noritz, it matches condensing efficiency but lacks a built-in recirculation pump, so Smart-Circ recirculation needs a pump or accessory kit added.
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The Rinnai RX130iN is a condensing tankless water heater from the Sensei RX Pro Build series. It is an indoor unit with no built-in pump. It has an integrated controller, is Wi-Fi ready, and can be set up for recirculation by adding a pump or pump accessory kit.
An Adaptive Gas Valve adjusts the unit to natural gas or liquid propane for combustion, so no conversion kit is needed. A propane gas rating label comes with the unit. The heater can also be installed outdoors with the Versa Vent outdoor vent cap (RXOVC), sold separately.
An improved turbo fan allows longer vent runs and flexible venting options. The primary and secondary heat exchangers use a 444 stainless steel tube design with minimal joints, for durability and heat resistance.
