RUCS75iN RUCS Model Series

Super High Efficiency View Energy Guide

4.4/5 stars from 460 reviews

Enjoy an endless supply of hot water with the RUCS75iN, our Super-High Efficiency condensing natural gas tankless water heater from Rinnail. Only the size of a small suitcase, the RUCS75iN is compact, easy-to-install and perfect for indoor locations.

Uniform Energy Factor (UEF): 0.9
Warranty

10,300 BTU (minimum)
160,000 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.	RUCS75iN
Product Depth	10.1 in / (257 mm)
Product Height	31.1 in / (789.6 mm)
Product Width	18.5 in / (470 mm)
Product Weight	57.3 lb / (26 kg)
Gas Type	Natural Gas
Installation Type	Indoor
Residential ENERGY STAR®	Yes
Uniform Energy Factor (UEF)	0.9
Domestic Hot Water Flow Rate (Maximum)	7.5 GPM / (28.4 l/min)
SCAQMD Approved	Ultra Low NOx