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
New at Rinnai

E75CRN E-Series Model Series

Condensing Boiler View Energy Guide

Rinnai E75CRN Residential Condensing combination, natural gas boiler is compact, wall mounted, and designed for easy installation as a retro-fit to traditional less efficient boilers and can deliver whole house heating and domestic hot water heating for homes with up to two bathrooms.

Warranty

13,600 BTU / (4 kW) (minimum)
85,000 BTU / (25 kW) (maximum)

Specifications Documentation Warrantyⁱ

Specifications

Manufacturer Trade Model Number - U.S.	E75CRN
Product Depth	15.6 in / (395 mm)
Product Height	32.8 in / (835 mm)
Product Width	19.7 in / (500 mm)
Product Weight	82 lb / (37 kg)
Gas Type	Natural Gas
Residential ENERGY STAR®	Yes
Domestic Hot Water Flow Rate (Maximum)	2.1 GPM / (7.9 l/min)
SCAQMD Approved	Ultra Low NOx
Central Heating Capacity	75,000 BTU / (22.0 kW)