Rinnai Sensei RX199iN Indoor/Outdoor Tankless Water Heater

Rinnai introduces their Pro Build RX Series Tankless Water Heaters, featuring Adaptive Gas Valve Technology that allows for seamless switching between Natural Gas and Propane without the need for a conversion kit. For those considering an outdoor installation, the process is made effortless with the purchase of the Versa Vent outdoor vent cap, offering unparalleled flexibility with a single unit.

This feature adjusts to either Natural Gas or Liquid Propane Gas for optimal combustion, eliminating the need for a conversion kit.

Rinnai Sensei RX199iN Features:

Min/Max BTU 15,00/199,000
UEF 0.98
Built in Pump: No
Smart-Circ capable with installation of pump or pump accessory kit
Product Dims 18.5 X 30.1 X 11.4 (470 X 765 X 290)
Weight: 55 lbs
Installation Type: Indoor Units (Includes optional outdoor installations with use of the Rinnai outdoor vent cap accessory (RXOVC) )
Temperature Setting: Minimum: Normal Operation: 98°F (37°C) (Crossover Mode: 120°F (49°C)) Maximum: Default: 120°F (49°C) with Parameter Adjustment: 140°F (60°C)
Minimum Activation Rate: 0.13 GPM (0.5 L/MIN)
Flow Rate(Min-Max): 0.13-11.1 GPM (0.5-42 L/MIN)
Controller (Standard): INTEGRATED
Controllers (Optional): MC-601; for scheduled recirculation use MC-195T-US or RWM200 Wireless Module
Warranty (Residential): Limited 15-year on heat exchanger, 5-year on parts, 1-year on labor. Register within 90 days and receive an additional 4 years of labor coverage for free ($250 value)
Mobile Home Certified: Yes
Thermal Bypass Crossover Valve in Box: NO
High Altitude Approved: UP TO 10,200 FT. (3,109 M)
Venting Options: Concentric/PVC/CPVC/PP Vent Cap (Outdoor Only)
Ultra Low NOx: YES
1/2" Gas Line Compatible: YES
Wi-Fi Ready: YES

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

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. For detailed performance specs, refer to the official Rinnai RX Spec Sheet .

Explore All Rinnai Tankless Water Heaters

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/RXP 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

Accessories (Sold Separately) NEW

Isolation Valves with PRV (MIVK-T-LW)

• Outdoor Vent Cap (RXOVC)

• Internal add-on recirc. pump conversion Kit (RX2RXPCK)

• Dedicated return with isolation valves and PRV (107000639)

• Pipe Cover (PCD11-SHS)

• Recess Box (RGBCTWHRX)

• Retrofit Door for RX/CX in RGB-CTWH-4 (104000335)

• Retrofit Door for RX/CX in RGB-CTWH-3,2,1 (104000336)

• Leak Detection Kit (RXLeakKit)

• Bottom plate for Pipe Cover (109001364)

• Recirculation Push Button (RPB200)

• Rinnai Wireless Module (RWM200)

• EZConnect Cable (REU-EZC-3)

• Gas conversion kit (Rating Plate Labels only) (104000330)

• Controllers- MC-601-BK/MC-601-W, MC-195T-US

• Condensate Neutralizer (804000074)

• Scale Cutter (103000038), Scale Cutter Refill (103000039)

• OPU Switch (REU-OPU3)

RX199IN replaces:

RU199iN

RU199iP

RU199eN with the purchase of the Versa Vent Cap (RXOVC)

RU199eP with the purchase of the Versa Vent Cap (RXOVC)

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