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SENSEI CU199 Tankless Water Heaters

Rinnai SENSEI CU199 Tankless Water Heaters

(167 customer reviews)

Only super-high-efficiency Rinnai® SENSEI™ Tankless water heaters combine the most convenient, innovative tankless water heater technology with the unsurpassed quality and reliabilaity of Rinnai. All SENSEI™ models feature recirculation for faster hot water and Wi-Fi compatibility, so they can be controlled and monitored remotely from a smart device.

Innovative Rinnai SENSEI™ tankless water heaters offer clear advantages for homeowners and trade professionals. And all key components are manufactured by Rinnai, so you’re working with the ultimate quality.

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Homeowner Conveniences

  • Faster hot water with recirculation for less waiting and less waste
  • Start recirculation and more with smartphone or Amazon Alexa™
  • Energy efficiency and significant savings on home energy bills
  • More usable space thanks to suitcase-sized, wall-mounted units

Most Flexible Venting in the Industry

  • 14 possible vent configurations
  • Up to 65′ vent runs with 2″ PVC options
  • 9 compatible vent manufacturers*
  • Only a single wall penetration required
  • Simple positive-fit components for secure connection
  • Joint seals expand/contract with weather to prevent damage
  • Assembly and adjustment are easy
  • *Includes PVC

Easy Installation and Serviceability

  • Adjustable mounting plate with lip for easy hanging almost anywhere
  • Quick and easy gas conversion in just 3 steps with inexpensive kit
  • Rotating isolation valves to accommodate more applications
  • Easy parameter adjustments with simple, accessible control panel
  • Simple Wi-Fi remote monitoring with detailed system information
  • Convenient access to all key components for fast, easy service

Rinnai SENSEI CU199 Tankless Water Heaters Brochure

Rinnai SENSEI CU199 Tankless Water Heaters Manual

Rinnai SENSEI CU199 Tankless Water Heaters Spec Sheet

CU199iN

Installation Type Indoor Only
Recirculation Capable Yes
Energy Factor —
Domestic Hot Water Flow Rate (Maximum) 11 GPM GPM
42 l/min
1/2″ Gas Line Compatible —
Wi-Fi Capable Yes
SCAQMD Approved Yes
Warranty – Commercial Heat Exchanger (months) 96
Warranty – Commercial Labor (months) 12
Warranty – Commercial Parts (months) 12
Warranty – Residential Heat Exchanger w/ Space Heating (months) 180
Warranty – Residential Heat Exchanger (months) 180
Warranty – Residential Labor (months) 12
Warranty – Residential Parts (months) 12

CU199iP

Installation Type Indoor Only
Recirculation Capable Yes
Energy Factor —
Domestic Hot Water Flow Rate (Maximum) 11 GPM GPM
42 l/min
1/2″ Gas Line Compatible —
Wi-Fi Capable Yes
SCAQMD Approved Yes
Warranty – Commercial Heat Exchanger (months) 96
Warranty – Commercial Labor (months) 12
Warranty – Commercial Parts (months) 12
Warranty – Residential Heat Exchanger w/ Space Heating (months) 180
Warranty – Residential Heat Exchanger (months) 180
Warranty – Residential Labor (months) 12
Warranty – Residential Parts (months) 12

CU199eN

Installation Type Outdoor Only
Recirculation Capable Yes
Energy Factor —
Domestic Hot Water Flow Rate (Maximum) 11 GPM GPM
42 l/min
1/2″ Gas Line Compatible —
Wi-Fi Capable Yes
SCAQMD Approved Yes
Warranty – Commercial Heat Exchanger (months) 96
Warranty – Commercial Labor (months) 12
Warranty – Commercial Parts (months) 12
Warranty – Residential Heat Exchanger w/ Space Heating (months) 180
Warranty – Residential Heat Exchanger (months) 180
Warranty – Residential Labor (months) 12
Warranty – Residential Parts (months) 12

CU199eP

Installation Type Outdoor Only
Recirculation Capable Yes
Energy Factor —
Domestic Hot Water Flow Rate (Maximum) 11 GPM GPM
42 l/min
1/2″ Gas Line Compatible —
Wi-Fi Capable Yes
SCAQMD Approved Yes
Warranty – Commercial Heat Exchanger (months) 96
Warranty – Commercial Labor (months) 12
Warranty – Commercial Parts (months) 12
Warranty – Residential Heat Exchanger w/ Space Heating (months) 180
Warranty – Residential Heat Exchanger (months) 180
Warranty – Residential Labor (months) 12
Warranty – Residential Parts (months) 12
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