Dimensions Guide

SUPER-HIGH-EFFICIENCY (CONDENSING) TANKLESS WATER HEATER
Installaon Type
External (Outdoor) Commercial
Applicaons
Model Numbers CU199e (REU-N3237WC-US)
CU160e (REU-N2530WC-US)
Approved Gas Types Natural and Propane
UEF up to 0.93
Eciency
Rangs not
cered by AHRI
Thermal Eciency: Up
to 97%
EF up to 0.96
High Altude Approved Up to 10,200  (3,109 m)
Water Flow Control
Water Flow Sensor, Electronic Water
Control and Bypass Control
Controller
Standard: Integrated Controller
Oponal: MC-91-2US
Cercaons
AHRI, ANSI Z21.10.3, CSA 4.3, and
ENERGY STAR®
Warranty
• Heat Exchanger: 8 years or 12,000 operaon hours, whichever occurs
rst
• All Other Parts and Components: 5 Years
• Reasonable Labor: 1 Year
Safety Devices
Flame Failure - Flame Rod, Boiling Protecon, Combuson Fan RPM
Check, Over Current - Glass Fuse, Remaining Flame (OHS) and Automac
Frost Protecon
Included with Purchase
• Tankless Water Heater
• Pressure Relief Valve and Adapter
• Isolaon Valve Kit
• Integrated Controller
• Recirculaon Pump Cable
Addional Features
• Complies with South Coast
Air Quality Management
District 14 ng/J or 20 ppm
NOx Emission Levels
• Ultra Low NOx
• Tankless Rack System™ Compable
• 1/2 in. (13 mm) Gas Line Compable
●
• Compact Design to Save Space
• Wi-Fi Technology for Remote Monitoring and Management
• Simple Gas Conversion
• Electronically Connect up to 24 Water Heaters to Operate
as One Hot Water Source
Condensate Neutralizer, ScaleCuer, Drain Down Kit,
Addional Controllers, Recess Box, Pipe Cover, Recirculaon
Pump, DPS/MIS Switch, EZConnect™ Cables, control·r™
Wi-Fi Module, Wireless Accessories, and many more.
Visit rinnai.us for a complete list of accessories.
Commercial Tankless Rack Systems
• Fully-assembled, comprehensive
water heang soluons
• Numerous conguraons: Free
Standing, Inline Free Standing,
Inline Wall Mount, Wall Hanging,
and Corner
• Made to Order Customized
Soluons
C US