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

RSC Models

RU 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

RL Model Series

RLX 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

I-SERIES

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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IP120199C I-SERIES_Plus_C Model Series

Condensing Boiler View Energy Guide

I-SERIES Plus™ line of Combi Condensing Gas Boilers offers unmatched value and performance with an expanded product line that features Smart Sense ™ Adaptive Gas Valve technology. Combi Boiler CH 120k / DHW 199k, NG

Warranty 12 yrs / 5 yrs / 1 yrs
15000 BTU / (4.39 kW) (minimum)
199,000 BTU / (58.3 kW) (maximum)

Indoor

Specifications Documentation Warrantyⁱ

Specifications

Manufacturer Trade Model Number - U.S.	IP120199C
Product Depth	11.5 in / (292.1 mm)
Product Height	26.4 inch / (670.56 mm)
Product Width	18.5 inch / (470 mm)
Product Weight	62 lb / (28.1 kg)
Gas Type	NG or LP
Installation Type	Indoor
Recirculation Capable	Yes
Residential ENERGY STAR®	Yes
Domestic Hot Water Flow Rate (Maximum)	9.8GPM
Wi-Fi Capable	Yes
SCAQMD Approved	Ultra Low NOx