Rinnai RXP199iN SENSEI 11 GPM 199,000 BTU Indoor Condensing Tankless Water Heater with Built-In Recirculation
Rinnai RXP199iN SENSEI 11 GPM 199,000 BTU Indoor Condensing Tankless Water Heater with Built-In Recirculation
The Rinnai RXP199iN SENSEI is a premium 199,000 BTU indoor condensing tankless water heater engineered for large homes that demand maximum performance. Delivering up to 11 gallons per minute (GPM) and featuring a built-in recirculation pump, this model provides faster hot water delivery, improved efficiency, and superior whole-home comfort.
Why This Is Rinnai’s Flagship Residential Model
- Integrated Recirculation Pump – Reduces hot water wait time
- 199,000 BTU Maximum Input
- Up to 11 GPM Output (varies by temperature rise)
- High-Efficiency Condensing Technology
- Energy Star® Certified
- Advanced safety monitoring & smart diagnostics
- Compact wall-mounted indoor installation
Ideal For:
- 4+ bathroom homes
- Luxury residences
- Large families with heavy simultaneous demand
- Homes with dedicated recirculation return lines
- Replacing high-capacity 75–100 gallon tank systems
Built-In Recirculation Advantage
The RXP199iN includes an integrated recirculation system designed to reduce the time it takes for hot water to reach fixtures. When properly configured with a return line or crossover system, homeowners experience quicker access to hot water and increased overall efficiency.
Performance & Output
With up to 11 GPM of output depending on groundwater temperature, this model is designed to support multiple showers, appliances, and fixtures operating simultaneously. It is engineered for high-demand applications where lower BTU models may fall short.
Condensing Efficiency Explained
Unlike non-condensing tankless units, the RXP199iN uses advanced condensing heat exchanger technology. This allows for PVC venting options and improved thermal efficiency, resulting in lower long-term gas consumption compared to traditional non-condensing systems.
Installation Requirements
- Indoor installation only
- Approved PVC/CPVC venting configurations
- Proper gas line sizing for 199,000 BTU input
- 120V electrical outlet required
- Professional installation strongly recommended
Compare With Other Rinnai Models
- RX160iN – Mid-size condensing unit without built-in recirculation
- RE199iN – Indoor non-condensing alternative
- RE199eN – Outdoor non-condensing version
Why Buy From United Plumbing & Fire Supply?
- Trusted plumbing & HVAC supply serving Los Angeles
- Local pickup available
- Nationwide shipping options
- Competitive pricing
- Knowledgeable support for contractors and homeowners
Frequently Asked Questions
Does the RXP199iN include a built-in recirculation pump?
Yes. This model includes an integrated recirculation pump designed to reduce hot water wait times when configured properly.
Is this unit condensing?
Yes. The RXP199iN uses high-efficiency condensing technology.
Is this enough for a 4 bathroom home?
Yes. With 199,000 BTU and up to 11 GPM output, this model is specifically designed for large, high-demand homes.
Is this natural gas?
Yes. The “iN” configuration is designed for natural gas.
Available for local pickup in Los Angeles or nationwide shipping. Contact United Plumbing & Fire Supply for availability, pricing, and professional installation guidance.
