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Rinnai RX180iN Sensei Indoor/Outdoor Tankless Water Heater Natural Gas/Propane

Rinnai RX180iN Sensei Indoor/Outdoor Tankless Water Heater Natural Gas/Propane

por Rinnai
SKU RX180iN
$ 0.00 - $ 0.00
$ 0.00
$ 1,409.94
$ 1,409.94 - $ 1,409.94
$ 1,409.94

Rinnai RX180iN – Sensei RX Series Indoor Tankless Water Heater

The Rinnai RX180iN delivers powerful, efficient hot water performance for medium-to-large homes with multiple fixtures running at once. As part of Rinnai’s SENSEI® RX Series, the RX180iN is built around advanced engineering, quiet operation, and long-term durability—making it an excellent upgrade from bulky tank systems or older tankless styles.

With its high BTU capacity and condensing heat exchanger design, the RX180iN produces continuous, on-demand hot water while reducing energy use compared to traditional storage tanks. Its smart-ready platform supports improved diagnostics, adaptive combustion, and efficient recirculation setups that help deliver hot water faster to distant fixtures.

Blending performance, efficiency, and proven Rinnai reliability, the RX180iN is a strong choice for homeowners who want steady hot water, lower operating costs, and a premium tankless system built for everyday use.

Why Choose the RX180iN?

  • 180,000 BTU Heating Power – Perfect for households with multiple hot water demands.
  • Continuous Hot Water – Never run out during showers, laundry, or dishes.
  • High Efficiency Condensing System – Uses more of the heat it produces, reducing energy loss.
  • Ideal for Medium–Large Homes – Supports 3–6 fixtures depending on layout and climate.
  • Compact Installation Footprint – Saves valuable floor space compared to tank heaters.

Key Features

  • SENSEI® RX Condensing Technology – Engineered for strong heat transfer, more efficient operation, and consistent temperature control.
  • Recirculation-Ready Design – Compatible with external pumps or dedicated return lines for faster hot water at the tap.
  • Smart-Ready Platform – Supports Rinnai’s connected features, improved diagnostics, and simplified setup via Bluetooth-enabled tools.
  • Quiet Indoor Operation – Designed for low noise levels, ideal for closets, utility rooms, and interior mechanical spaces.
  • Flexible Gas Compatibility – Designed for Natural Gas; selectable operation via adaptive combustion controls.
  • Durable Construction – Commercial-grade components and corrosion-resistant materials support long service life.
  • Efficient Flow Capacity – Delivers strong hot water output for simultaneous household usage (showers + appliances).
  • Energy-Efficient Performance – Reduces operating cost and heat loss compared to conventional tank systems.
  • Advanced Safety Features – Includes temperature monitoring, freeze protection, and built-in diagnostics.
  • Backed by Rinnai Warranty – Coverage for heat exchanger, parts, and labor with proper installation.

Rinnai Sensei RX Series – Model Comparison

Model BTU Range Home Size Approx. Max Flow* Recirculation
RX130iN Up to 130,000 BTU Small Homes / 1–3 fixtures ~6–7 GPM Recirculation compatible
RX160iN Up to 160,000 BTU Small–Medium Homes ~9 GPM Recirculation compatible
RX180iN Up to 180,000 BTU Medium–Large Homes High multi-fixture capacity Recirculation compatible
RX199iN Up to 199,000 BTU Large / High-Demand Homes ~11 GPM Recirculation compatible

*Flow rate varies by climate and installation. Refer to the official Rinnai RX Spec sheet for detailed technical data.

Shop All Rinnai Tankless Water Heaters


Propane Conversion

Field Convertible to Propane

• Leverages Smart -Sense Adaptive Gas Valve built in the unit

• No Conversion kit needed.

• Propane gas rating label provided with the unit

Outdoor Conversion

Use Versa-Vent Vent Cap RXOVC sold separately

Isolation valves will not ship with the new SENSEI® Rx line. We offer isolation valve kits and several other accessories
sold separately for both residential and commercial applications: 

Included in Box:

Sensei RX Water Heater

• Wall Mounting Bracket

• 4-Self Tapping Screws (4.2X25MM)

• Gas Conversion label (Propane)

• 2-Vent Screens

• 2-Vent Screws

• Installation and Operation Manual

• Wall mounting Bracket Template

 

View Spec Sheet (PDF)
View Install Manual (PDF)

Product Video

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