Rinnai
Rinnai RXP199iN Sensei 11 GPM 199,000 BTU Tankless Water Heater w/ Built-In Recirculation
Rinnai RXP199iN Sensei 11 GPM 199,000 BTU Tankless Water Heater w/ Built-In Recirculation
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Rinnai RXP199iN Sensei 11 GPM 199,000 BTU Tankless Water Heater with Built-In Recirculation Pump
The Rinnai RXP199iN Sensei is one of Rinnai’s top-performing Super High Efficiency Plus condensing tankless water heaters, delivering up to 11 GPM and 199,000 BTU for whole-home hot water in medium to large households. This premium model features a factory-installed recirculation pump that reduces wait times for hot water and improves overall system performance.
Designed for indoor installation and natural gas operation, the RXP199iN uses advanced condensing technology with a 0.95–0.98 UEF efficiency rating, lowering energy bills while delivering endless on-demand hot water. Its Smart Circ™ adaptive recirculation learns usage patterns to provide hot water when you need it most.
Key Features
- 11 GPM max flow rate — supports multiple simultaneous showers and fixtures.
- 199,000 BTU high-output burner for strong performance in any climate.
- Built-in recirculation pump for faster hot water and reduced wait times.
- Super High Efficiency Condensing design with up to 0.98 UEF.
- Ultra Low NOx emissions for clean, compliant operation.
- Smart Connect™ wireless capabilities for diagnostics, setup, and control.
- Quiet, compact indoor unit suitable for closets, garages, and mechanical rooms.
- Commercial-grade durability with enhanced heat exchanger design.
Ideal Applications
- Large homes with high hot-water demand
- Homes needing recirculation without installing an external pump
- Multiple bathrooms operating simultaneously
- Upgrades from 50–75 gallon tanks to on-demand systems
Performance & Efficiency
- Max Flow: 11 GPM (temperature rise dependent)
- Input Range: 15,000 – 199,000 BTU/h
- UEF Rating: 0.95–0.98 UEF (Super High Efficiency Plus)
- Voltage: 120V, approx. 100W
- Temperature Settings: Standard up to 120°F, adjustable to 140°F
Technical Specifications
| Brand | Rinnai |
| Series | Sensei Super High Efficiency Plus |
| Model / MPN | RXP199iN |
| UPC | 766156017407 |
| Fuel Type | Natural Gas |
| Installation | Indoor |
| Recirculation | Built-in recirculation pump (Smart Circ™ adaptive learning) |
| Max Input | 199,000 BTU/h |
| Min Input | 15,000 BTU/h |
| Flow Rate | Up to 11 GPM |
| Energy Factor / UEF | 0.95–0.98 |
| Venting | 2" or 3" PVC/CPVC or concentric options |
| Water Connections | 3/4" NPT |
| Dimensions (H × W × D) | Approx. 31" × 19" × 12" |
| Weight | Approx. 70 lb |
| Warranty | 15-year heat exchanger / 5-year parts / 1-year labor |
Benefits for Homeowners
- Instant hot water with built-in recirculation.
- Lower energy bills due to condensing efficiency and Smart Circ™ scheduling.
- Endless hot water for multiple fixtures and large households.
- Long-lasting construction with premium heat exchanger and internal components.
- Cleaner combustion with Ultra Low NOx technology.
Installation Notes
- Indoor installation only.
- Requires properly sized gas supply and venting.
- Recirculation system must be properly integrated with home’s plumbing layout.
- Professional installation strongly recommended.
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