CU199eN CU Model Series

View Energy Guide

Commercial condensing tankless water heater CU199eN from Rinnai is precision engineered to provide endless hot water for the most demanding of applications such as restaurants, hospitality, education institutions, multifamily residential buildings and more. CU199eN is designed for exterior installation, natural gas fuel, is WiFi ready to monitor performance accross multiple units to ensure up time is maintained. Multiple venting options offer installation flexibility to meet your existing layout or for new build optimization.

97% Thermal Efficiency
15,000 BTU (minimum)
199,000 BTU (maximum)
Warranty

View Rebates & Offers

: Commercial condensing tankless water heater CU199eN from Rinnai is precision engineered to provide endless hot water for the most demanding of applications such as restaurants, hospitality, education institutions, multifamily residential buildings and more. CU199eN is designed for exterior installation, natural gas fuel, is WiFi ready to monitor performance accross multiple units to ensure up time is maintained. Multiple venting options offer installation flexibility to meet your existing layout or for new build optimization.
: Supply Connections

Connection Connection Size

Gas 3/4" MNPT / (19 mm)

Cold Inlet 3/4" MNPT / (19 mm)

Hot Outlet 3/4" MNPT / (19 mm)

Condensate Drain 1/2" NPT / (13 mm)
: Product Depth 11.45 in / (290 mm)

Product Height 31.3 in / (795 mm)

Product Width 18.5 in / (470 mm)

Product Weight 64 lb / (29 kg)

Gas Type Natural Gas

Recirculation Capable Yes

Domestic Hot Water Flow Rate (Maximum) 11 GPM / (41.6 l/min)

Wi-Fi Capable Yes

SCAQMD Approved Ultra Low NOx

Warranty information is available in the Installation & Owner Manual.
: Browse product manuals, spec sheets, and other documentation below.

Language

Document Type

0 documents

100000313 OPU Instructions-English and French

PDF 3 MB

Download

100000887-Polypropylene Common Venting Installation Instructions-Version H_FRE

PDF 6 MB

Download

100000921 PVC and CPVC Common Venting Installation Instructions for SENSEI-SPANISH

PDF 2 MB

Download

100000437-N-Series Conversion Manual

PDF 2 MB

Download

100000437-SENSEI Conversion Manual

PDF 3 MB

Download

CU199eN

PDF 889 KB

Download

100000504-N Series Commercial Condensing Installation and Operation Manual

PDF 8 MB

Download

100000504-N Series Commercial Condensing Installation and Operation Manual-French

PDF 8 MB

Download

100000504-N Series Commercial Condensing Installation and Operation Manual-Spanish

PDF 8 MB

Download

100000557-Sp Polypropylene Common Venting Installation Instructions-Version H_SPANISH

PDF 6 MB

Download

100000558-Tankless Rack System (TRS) Installation Manual

PDF 7 MB

Download

100000573-SENSEI Demand Duo Retrofit Installation Instructions

PDF 1 MB

Download

100000923 Troubleshooting TWH Diagnostic Codes-French

PDF 2 MB

Download

100000924 Troubleshooting TWH Diagnostic Codes-Spanish

PDF 2 MB

Download

Commercial Water Heating Solutions - RE/REP/CU/RSC

PDF 4 MB

Download

Commercial WH Solutions Brochure_Installers

PDF 6 MB

Download

US Sensei to Sensei RX Cross-reference

PDF 1 MB

Download

100000577(01)-CU199e-N Engineering Specification (1)

PDF 264 KB

Download

CUe-SP-1 N Series Condensing Commercial Outdoor Spec Sheet

PDF 521 KB

Download

CUe-SP-Fr

PDF 1 MB

Download

CUe-SP-N Series Condensing Commercial Outdoor Spec Sheet

PDF 746 KB

Download

RGB-CTWH-4 Specification Sheet

PDF 392 KB

Download

SP-TRS spec sheet

PDF 4 MB

Download

Tankless Rack System Specification Sheet English

PDF 4 MB

Download

TB-146 Connect Control-R Wi-Fi Module to SENSEI Water Heaters

PDF 756 KB

Download

TB-154 External Recirculation Pump Wire Harness For SENSEI Models

PDF 434 KB

Download

TB-156 GTK15 Recirculation Pump with SENSEI Water Heaters

PDF 637 KB

Download

TB-159 SENSEI CSA Certification and ULC S636 PVC Venting

PDF 225 KB

Download

TB-163 New Isolation Valve Design for Tankless Water Heaters

PDF 517 KB

Download

TB-166 Updates to PC Board Ignition Sequence

PDF 259 KB

Download

TB-172 Rinnai Products With Natural Gas-Hydrogen Mixture Fuels

PDF 279 KB

Download

TB-174 SENSEI Version 6 Software Updates

PDF 495 KB

Download

TB-179 Tankless Incompatibility with Rinnai BMS Gateway

PDF 374 KB

Download

TB-188 Optimized Flushing Procedure for SENSEI Tankless Water Heaters

PDF 254 KB

Download

TB-201 Cascade System with CX and CU Models

PDF 381 KB

Download

100000505-SENSEI Tech Sheet-Residential and Commercial

PDF 4 MB

Download

Next Gen Check Sheet English

PDF 1 MB

Download

TWH Troubleshooting Technical Data Sheet

PDF 2 MB

Download

U334-0781X01(01)-100000505(01)-N-Series Techsheet-Res and Comm

PDF 4 MB

Download

CWH-2-CL

PDF 727 KB

Download

CWH-2-CL

CAD 1 MB

Download

CWH-2-RUR

PDF 726 KB

Download

CWH-2-RUR

CAD 707 KB

Download

CWH-2-RUR-CO

PDF 725 KB

Download

CWH-2-RUR-CO

CAD 750 KB

Download

CWH-3-CL

CAD 0 MB

Download

CWH-3-CL

PDF 734 KB

Download

CWH-3-RUR

CAD 0 MB

Download

CWH-3-RUR

PDF 734 KB

Download

CWH-3-RUR-CO

PDF 732 KB

Download

CWH-3-RUR-CO

CAD 0 MB

Download

CWH1-D

PDF 711 KB

Download

CWH1-D

CAD 247 KB

Download

CWH1-D-RUR

CAD 254 KB

Download

TRSCU-BB14-CIRC

PDF 1 MB

Download

TRSCU-BB16-CIRC

PDF 1 MB

Download

TRSCU-IL2BB4-CIRC

PDF 0 MB

Download

TRSCU-IL3BB6-CIRC

PDF 1 MB

Download

TRSCU-IL4BB8-CIRC

PDF 1 MB

Download

TRSCU-IL5BB10-CIRC

PDF 1 MB

Download

TRSCU-IL6BB12-CIRC

PDF 1 MB

Download

TRSCU-IL7-CIRC

PDF 1 MB

Download

TRSCU-IL8-CIRC

PDF 1 MB

Download

TRWST-2-CO

PDF 763 KB

Download

TRWST-2-RUR

PDF 766 KB

Download

TRWST-3-CO

PDF 896 KB

Download

TRWST-3-RUR

PDF 783 KB

Download

WH-1-BC

PDF 803 KB

Download

WH-1-BC

CAD 320 KB

Download

WH-1-CD

CAD 337 KB

Download

WH-1-CL

CAD 223 KB

Download

WH-1-CL

PDF 785 KB

Download

WH-2-BC

PDF 818 KB

Download

WH-2-BC

CAD 432 KB

Download

WH-2-CIRC

PDF 725 KB

Download

WH-3-BC

CAD 544 KB

Download

WH-3-BC

PDF 833 KB

Download

WH-3-CD

PDF 732 KB

Download

WH-3-CIRC

CAD 902 KB

Download

WH1-AH

CAD 435 KB

Download

WH1-S-1

CAD 427 KB

Download

WH1-S-2

PDF 725 KB

Download

WH1-S-2

CAD 447 KB

Download

WH1-SH

CAD 423 KB

Download

WH1-SH

PDF 720 KB

Download

WH2-S-1

CAD 766 KB

Download

WH2-S-1

PDF 736 KB

Download

WH3-S-1

PDF 741 KB

Download

WH3-S-2

PDF 742 KB

Download

100000803 TRS Free-Standing Rack (Back-to-Back) Submittal Form

PDF 1 MB

Download

100000805 TRS Wall Rack (TRX) Submittal Form

PDF 1 MB

Download

100000806 CU199 and CU160 Commercial TWH Submittal Form

PDF 1 MB

Download

100000830 TRS Wall Rack (TRW02, TRW03) Submittal Form

PDF 1 MB

Download

100001002_Warranty_SENSEI Commercial-French

PDF 253 KB

Download

100001003_Warranty_SENSEI Commercial-Spanish

PDF 237 KB

Download

Sensei Commercial Warranty - English

PDF 228 KB

Download

Connection	Connection Size
Gas	3/4" MNPT / (19 mm)
Cold Inlet	3/4" MNPT / (19 mm)
Hot Outlet	3/4" MNPT / (19 mm)
Condensate Drain	1/2" NPT / (13 mm)

Product Depth	11.45 in / (290 mm)
Product Height	31.3 in / (795 mm)
Product Width	18.5 in / (470 mm)
Product Weight	64 lb / (29 kg)
Gas Type	Natural Gas
Recirculation Capable	Yes
Domestic Hot Water Flow Rate (Maximum)	11 GPM / (41.6 l/min)
Wi-Fi Capable	Yes
SCAQMD Approved	Ultra Low NOx

Compatible Accessories

CU160eN

Commercial condensing tankless water heater CU160eN from Rinnai is precision engineered to provide endless hot water for the most demanding of applications such as restaurants, hospitality, education institutions, multifamily residential buildings and more. CU160eN is designed for exterior installation, natural gas fuel, is WiFi ready to monitor performance accross multiple units to ensure up time is maintained. Multiple venting options offer installation flexibility to meet your existing layout or for new build optimization.

Learn more

CU199eN CU Model Series

Supply Connections

Compatible Accessories

CU160eN