Rinnai SENSEI CU199 Tankless Water Heaters

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.

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 was last modified: August 17th, 2020 by HVAC Expert

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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People like you shared their purchase and installation experience!

Jonathan ChanJonathan Chan

This company has excellent products and even better service, and it shows through client interaction. They care about their customers and complete their work in a timely fashion. Best of all they leave the work area in cleaner condition than when they arrived.

Their showroom has items you can't even imagine.

I have used Cozy Comfort Plus many times, personally purchased the following from them:
-Furnace
-A/C unit
-Air cleaner and purifier
-Tankless water heater
-Fireplaces (Mantles)
-Fire table and
-BBQ

Brian and his team are my go to.

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Greg LindsayGreg Lindsay

My furnace broke mid February and from the first call Cozy Comfort Plus exceeded my expectations and it was the best customer service experience I've had in a very long time. They had someone here within two hours who very knowledgeable and gave me several options. I ended up deciding to replace my furnace and they had it done the next day. From my first contact on the phone, to the technician to the installation staff they were all professional, responsive and truly a pleasure to work with. In a little over 24 hours the heat was back on and at a very fair price.

I cannot recommend them highly enough as it's a stressful time when your furnace goes mid February. They even submitted the rebates before I had a chance to call them the next day!! All I can say is WOW.

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Amir VaghariAmir Vaghari

We've had Cozy Comfort Plus over at least a couple of times to instal and maintain our furnace over the years for our place in Mississauga. They have gained our trust and exceeded our expectations as customers. They repaired our heat pump that has been working exceptionally since their visit. They also fixed our AC on another occasion. These guys are the best in the business and honestly such wonderful people. If you were looking for a trustworthy organization with integrity, I would highly recommend contacting Brian and team at Cozy Comfort Plus. I'm sure these people will take great care of you, just as they did for us!

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