Rinnai RX199IN Condensing Tankless Water Heater
The Rinnai RX199IN Condensing Tankless Water Heater is engineered to provide continuous hot water, industry-leading efficiency, and powerful performance for large residential homes throughout Toronto and the GTA. With up to 199,000 BTU maximum input and advanced condensing heat exchanger technology, this model is designed for households with high simultaneous hot water demand, including multiple bathrooms, large families, and homes with luxury fixtures. Many homeowners choose a tankless water heater installation because it eliminates running out of hot water, reduces energy waste, and saves valuable mechanical room space compared to traditional tank systems.
The RX199IN uses advanced condensing technology to extract more heat from exhaust gases, significantly improving energy efficiency while reducing utility costs. Its compact wall-mounted design allows flexible installation in tight spaces, while its smart control system enables precise temperature management and optional recirculation performance. When professionally installed and maintained, this system delivers consistent comfort even during peak household demand. Homeowners can further enhance system longevity through regular preventative maintenance and professional servicing. For full home comfort support, explore our plumbing services and complete HVAC solutions.
For expert installation, proper gas sizing, and maximum system performance, contact Afrusun today and ask about available rebates, financing programs, promotions, and seasonal offers. You can also explore our full service coverage across Toronto and the GTA.
Warranty - Rinnai RX199IN
- 15-Year Limited Heat Exchanger Warranty (Residential)
- 5-Year Limited Parts Warranty
- 1-Year Limited Labour Warranty (Manufacturer Standard)
- 2-Year Labour Warranty on Afrusun Installation
- Certified Professional Installation Coverage
Energy Efficiency
The Rinnai RX199IN delivers exceptional efficiency with a Uniform Energy Factor (UEF) of up to 0.98, making it one of the most efficient residential tankless water heaters available. By heating water only when needed, it eliminates standby heat loss common in storage tanks. Its condensing design captures additional heat from exhaust gases, improving overall performance while reducing energy consumption and monthly utility costs. This makes it an excellent choice for energy-conscious homeowners with high hot water demand. :contentReference[oaicite:0]{index=0}
Key Specifications - Rinnai RX199IN
- Model: Rinnai RX199IN
- Type: Condensing Tankless Water Heater
- Maximum Input: 199,000 BTU
- Minimum Input: 15,000 BTU
- Uniform Energy Factor (UEF): Up to 0.98
- Thermal Efficiency: ~97–98%
- Maximum Flow Rate: Up to 11.1 GPM
- Gas Type: Natural Gas or Propane
- Installation Type: Indoor or Outdoor Convertible
- Technology: Advanced Condensing Heat Exchanger
- Recirculation: Compatible
- Wi-Fi Control: Optional Smart Connectivity
- Application: Large Residential Hot Water Demand
Coverage Area and Ideal Home Size
The Rinnai RX199IN is best suited for large homes with approximately 3 to 5 bathrooms depending on water usage habits, incoming water temperature, and plumbing design. With up to 11.1 GPM flow capacity, it can support multiple showers, laundry, and kitchen use simultaneously. Proper system sizing and professional installation are essential to ensure stable temperature delivery and optimal performance during peak demand conditions. :contentReference[oaicite:1]{index=1}
Why Choose Rinnai RX199IN and Rinnai
- Highest-capacity residential Rinnai tankless model
- Up to 11.1 GPM supports multi-bathroom homes
- 199,000 BTU output for high-demand usage
- Up to 0.98 UEF ultra-high efficiency rating
- Condensing technology reduces energy waste
- Compact wall-mounted space-saving design
- Indoor or outdoor installation flexibility
- Stable temperature under simultaneous usage
- Smart controls and recirculation compatibility
- Trusted global brand with proven reliability
Rinnai is widely recognized as one of the most trusted manufacturers in the tankless water heating industry, known for durable engineering, high efficiency, and consistent performance. Homeowners choose Rinnai for its ability to deliver endless hot water, reduce energy costs, and maintain compact installations without sacrificing power or comfort.
Why Choose Afrusun
Afrusun Heating and Cooling HVAC Services provides expert installation and support for high-efficiency tankless water heaters across Toronto and the GTA. Our certified technicians handle tankless water heater installation, system diagnostics, maintenance, and upgrades to ensure maximum performance and safety. We also help homeowners access rebates, financing options, and seasonal promotions while delivering transparent pricing and professional workmanship. Whether upgrading to a Rinnai RX199IN or improving your home’s hot water system, contact Afrusun today for reliable service and long-term comfort solutions.
What People Say About Rinnai RX199IN
Homeowners and plumbing professionals often describe the Rinnai RX199IN as a powerful, high-efficiency tankless system capable of handling large households with multiple simultaneous hot water demands. Many users highlight its endless hot water performance, compact design, and energy savings compared to traditional tank systems. Professionals emphasize that correct sizing, proper gas supply setup, and annual maintenance are key to achieving the best performance and long-term reliability.
Product Information
| About | Details |
|---|---|
| Brand | Rinnai |
| Model | RX199IN |
| Series | SENSEI® RX Series |
| Product Type | Condensing Tankless Water Heater |
| Maximum BTU Input | 199,000 BTU |
| Uniform Energy Factor (UEF) | Up to 0.98 |
| Thermal Efficiency | ~97–98% |
| Maximum Flow Rate | 11.1 GPM |
| Gas Type | Natural Gas / Propane |
| Installation Type | Indoor / Outdoor Convertible |
| Recirculation Capable | Yes |
| Wi-Fi Capability | Optional |
| Electrical Requirement | 120 VAC / 60Hz |
| Product Depth | 11.4 in |
| Product Width | 18.5 in |
| Product Height | 30.11 in |
| Weight | ~55 lb |
| Heat Exchanger Warranty | 15 Years |
| Parts Warranty | 5 Years |
| Labour Warranty (Afrusun) | 2 Years |
| Installation Included | ✅ Yes |
