Rinnai RX180iN Condensing Tankless Water Heater
Available Options
Price history by variant
Volatility: MediumModel overview
2
Price range
$1,566.60
—
$1,703.10
Variant spread:
Medium
Available variants
Key differences
Product Dimensions
18.5"W x 30.11"H • 19"W x 31"H
Wattage
98 watts • 76 watts
Maximum Flow Rate
11 Gallons Per Minute • 10 Gallons Per Minute
Heat Output
199000 British Thermal Units • 180000 British Thermal Units
efficiency
High (UEF .98) • High (0.98 UEF)
Item Weight
55 pounds • 54 pounds
Size
11.1 GPM • 10 GPM
How to choose
- Start with your budget: the visible price spread across variants is about 9%.
Trade-offs
Product Dimensions
Different values may change day-to-day usage profile depending on your priorities.
Wattage
Different values may change day-to-day usage profile depending on your priorities.
Maximum Flow Rate
Different values may change day-to-day usage profile depending on your priorities.
Starting from $1,566.60
Last price update: 3/11/26
Condensing tankless water heater with high efficiency and flexible installation options. Features Smart Sense gas control system for propane or natural gas operation, Versa Vent for easy installation, and Quick Flush function for simplified maintenance. Compact wall-mounted design suitable for indoor or outdoor use with Energy Star qualification. Optional Wi-Fi connectivity available with separate Control-R module.
