Tankless Water Heating
Commercial-grade units with the industry's best warranty.

Learn About Tankless Tankless Truths™
Condensing

Rinnai’s super high-efficiency models offer sleek design, maximum output and an array of features ideal for the hot water demands of large homes.

RX Models

RXP Models

RUS Models

RUCS Models

Non-Condensing

For small- to medium-sized new homes or remodels, Rinnai’s high-efficiency models are affordable, compact units you can count on.

RE Model Series

REP Model Series

V Model Series

Accessories

Rinnai Central™ mobile app

Smart-Circ™ Recirculation

Venting & Accessories
Home Heating
Condensing Boilers

Rinnai Condensing Boilers deliver more efficient home heating than traditional boilers, while also providing domestic hot water.

I-SERIES Plus

Optional

Boiler Venting & Accessories
Direct Vent Furnace

Rinnai Direct Vent Furnaces use modulating technology to create energy-efficient warmth for the whole home.

Direct Vent Furnace Accessories
Vent-Free Fan Convectors

Rinnai Vent-Free Convectors push heat to the farthest reaches of the room, evenly warming larger spaces and maximizing cost-savings.
Hydronic Air Handler

The Rinnai Hydronic Air Handler System easily integrates with select tankless water heaters or boilers to deliver energy-efficient warmth.
Electric Water Heating
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RSC199iN RSC Model Series

Super High Efficiency Plus View Energy Guide

Enjoy an endless supply of hot water with the SENSEI™ RSC199iN Super High Efficiency Plus condensing tankless water heater from Rinnai. Only the size of a small suitcase, the natural gas RSC199iN model is compact, easy-to-install and perfect for indoor locations.

Uniform Energy Factor (UEF): 0.95
Warranty

15,000 BTU (minimum)
199,000 BTU (maximum)
Indoor

Up to twice the lifespan of most tanks
Never run out of hot water
Compact size to fit every space

Specifications Documentation Warrantyⁱ

Specifications

Manufacturer Trade Model Number - U.S.	RSC199iN
Product Depth	11.4 inch (291 mm)
Product Height	31.3 inch (670 mm)
Product Width	18.5 inch (470 mm)
Product Weight	68 LBS (31 KG)
Gas Type	Natural Gas
Installation Type	Indoor
Recirculation Capable	Yes
Residential ENERGY STAR®	Yes
Uniform Energy Factor (UEF)	0.95
Domestic Hot Water Flow Rate (Maximum)	11 GPM / (41.6 l/min)
Wi-Fi Capable	Yes
SCAQMD Approved	Ultra Low NOx