Rinnai RX199iN Condensing Smart Sense Tankless Water Heater - 199,000 BTU, 11.1 GPM
Meet the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater—your home's new best friend when it comes to hot water. With a jaw-dropping UEF of .98, this thing is efficiency personified (or should we say, heater-ified?). Whether you're team propane or natural gas, it's got you covered. And guess what? It doesn't care if it's inside or outside, thanks to the slick Versa Vent. Here's the lowdown:
- First up, the Smart Sense gas control system—because who doesn't love flexibility in their fuel choices?
- Then there's the Versa Vent, making installation a breeze no matter where you decide to park this bad boy.
- Maintenance? Pfft. The Quick Flush function has got your back, keeping things simple.
- And let's not forget its compact design. In a world where space is gold, this heater is practically a treasure chest.
- Oh, and for the tech-savvy, Wi-Fi connectivity is on the table (just grab the Control-R module separately).
Energy Star qualified and pumping out up to 11.1 GPM, it's perfect for homes that have more fixtures than a Hollywood dressing room. Just a heads-up—getting a pro to install it will make sure it runs like a dream.
General specs
- Brand: Rinnai
- Model: RX199iN
- Seller: Amazon
- ID: B0CM4L8VKC
- Product Dimensions: 18.5"W x 30.11"H
- Special Features: Smart Sense gas control system, Versa Vent
- Wattage: 98 watts
- Voltage: 120 Volts
- Maximum Flow Rate: 11 Gallons Per Minute
- Maximum Temperature: 140 Degrees Fahrenheit
- Heat Output: 199000 British Thermal Units
- Efficiency: High (UEF .98)
- Maximum Operating Pressure: 150 Pound per Square Inch
- Mounting Type: Wall
- Is Electric: No
- Manufacturer: Rinnai America Corporation
- Item Depth: 11.4
- UPC: 766156017346
- Part Number: RX199
- Item Weight: 55 pounds
- Country of Origin: Japan
- Item Model Number: RX199iN
- Size: 11.1 GPM
- Item Package Quantity: 1
- Batteries Required: No
- First listed by seller: 3/30/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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$1,532.79
$1,645.55
Last price update: 12/6/25
Available to order
Price History for seller Amazon
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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Rinnai RX199iN Silver
|
Rinnai RX180iN Indoor or outdoor installation
|
Rheem RTG-95DVLN-3 Gray Continuous hot water for entire house
|
Rinnai V53DeP Endless hot water flow
|
Rheem RTEX-13 External adjustable digital thermostatic control
|
Rheem RTEX-24
|
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| Brand | Rinnai | Rinnai | Rheem | Rinnai | Rheem | Rheem |
| Model | RX199iN | RX180iN | RTG-95DVLN-3 | V53DeP | RTEX-13 | RTEX-24 |
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| Price | $1,532.79 | $1,409.94 | $1,259.05 | $741.65 | $287.20 | $464.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| product_dimensions | 19"W x 31"H | 13"W x 30"H | 1"W x 1"H | 17.63"W x 18.25"H | ||
| wattage | 76 watts | 13 KW | 24 KW | |||
| voltage | 120 Volts | 240 Volts | 240 Volts | |||
| maximum_flow_rate | 10 Gallons Per Minute | 5.3 Gallons Per Minute | 4.8 Gallons Per Minute | 5.9 Gallons Per Minute | ||
| heat_output | 180000 British Thermal Units | 81 Kilowatts | 13 Kilowatts | 24 Kilowatts | ||
| efficiency | High (0.98 UEF) | High | at least 99.8% energy efficient | 99.8% Energy efficient | ||
| mounting_type | Wall | Wall | Wall | Wall | ||
| is_electric | No | No | Yes | Yes | ||
| item_weight | 54 pounds | 33 pounds | 3.96 pounds | 17.8 pounds | ||
| included_components | mount | Water Heater | Rheem RTEX-13 Residential Tankless Water Heater | Fittings, Aerators | ||
| item_depth | 7.9 in / (202 mm) | 0.5 inches | 3.5 inches | |||
Condensing Smart Sense Tankless Water Heater, Up to 11.1 GPM
$1,532.79
