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

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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IP090S I-SERIES_Plus_S Model Series

Condensing Boiler View Energy Guide

I-SERIES Plus™ line of Solo Condensing Gas Boilers offers unmatched value and performance with an expanded product line that features Smart Sense ™ Adaptive Gas Valve technology. Solo Boiler CH 90k, NG

Warranty 12 yrs / 5 yrs / 1 yrs

Indoor

Specifications Documentation Warrantyⁱ

Specifications

Manufacturer Trade Model Number - U.S.	IP090S
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	62.6 lb / (28.3 kg)
Gas Type	NG or LP
Installation Type	Indoor
Residential ENERGY STAR®	Yes
Domestic Hot Water Flow Rate (Maximum)	N/A
Wi-Fi Capable	Yes
SCAQMD Approved	Ultra Low NOx