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Optimal water pressure: up to 11 GPM hot water flow rate for a powerful, constant stream. Wifi monitoring. Guaranteed to last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively.

Smart, water heater fits a wide array of spaces; includes 15-, and parts, and 1-year residential guarantee for heat exchanger, 5-, labor, Durable Design: With multiple venting options, respectively; See Controlr module for WiFi control not included.


Smart, and parts, durable design: water heater fits a wide array of spaces; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, respectively; See Controlr module for WiFi control not included. Never run out of hot water with this compact tankless gas water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 6.
Smart-circ intelligent recirculation: tankless hot water heater offers a built-in recirculation pump and Smart-Circ technology that learns your water use patterns, then schedules pump and recirculation accordingly for energy efficiency and convenience.


Guaranteed to last: 15-, and 1-year residential for heat exchanger, labor, 5-, and parts, respectively. Instant heating: thermacirc360 technology provides faster hot water with a built-in recirculation pump, timer and thermal bypass valve - ideal for homes without a dedicated return line.




1. Rinnai
#ad
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Indoor Installation, Natural Gas
#adRinnai #ad - Instant heating: equipped with circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation.Optimal water pressure: up to 11 GPM hot water flow rate for a powerful, constant stream. Wifi monitoring. Guaranteed to last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively.
More information #ad
Energy and space efficient: Space-saving design conserves energy as it heats only when necessary. Endless hot water: enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended.Brand | Rinnai #ad |
Manufacturer | Rinnai #ad |
Height | 33.86 Inches |
Length | 22.05 Inches |
Weight | 74.1 Pounds |
Width | 14.76 Inches |
Part Number | RU199iN |
Model | RU199iN |
Warranty | See Manufacturer |
More information #ad
2. Rinnai
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Indoor Installation, 199,000 BTU, Up to 11 GPM, Rinnai RSC199iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater
#adRinnai #ad - Smart-circ intelligent recirculation: this tankless hot water heater features Smart-Circ technology that learns your water usage patterns, then schedules pump and recirucation accordinlgy for superior energy efficiency and convenience. Find your rinnai: see our product guides, energy guide, videos, manuals, warranty information, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region.More information #ad
Never run out of hot water with this compact tankless gas water Heater: This indoor condensing tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 11 GPM 7 fixtures at once. Professional installation recommended: visit the find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician. Smart, water heater fits a wide array of spaces; includes 15-, and parts, and 1-year residential guarantee for heat exchanger, 5-, labor, Durable Design: With multiple venting options, respectively; See Controlr module for WiFi control not included.
Brand | Rinnai #ad |
Manufacturer | Rinnai #ad |
Height | 14.37 Inches |
Length | 33.86 Inches |
Weight | 0 Pounds |
Width | 21.26 Inches |
Part Number | RSC199iN |
Model | RSC199iN |
More information #ad
3. Rheem
#ad
RTGH-RH11DVLN, Rheem Prestige Condensing Tankless Gas Indoor Natural Gas Water Heater With Built-in Recirculation 11.0 GPM
#adRheem #ad - Hot water without the wait - or the waste. Space savings - compact, space-saving design. Auto-learn programming - tracks water usage over a period of time and auto-programs to meet hot water needs at peak times.More information #ad
Water & gas leak detection will shut down unit and provide an error code. Perfect for a tank replacement. Low operating cost - High energy efficiency and water savings setting.Brand | Rheem #ad |
Manufacturer | Rheem #ad |
Height | 28.7 Inches |
Length | 14.8 Inches |
Weight | 85 Pounds |
Width | 17.3 Inches |
Part Number | RTGH-RH11DVLN |
Model | RTGH-RH11DVLN |
Warranty | 25 years Heat exchanger - Residental |
More information #ad
4. Rinnai
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160,000 BTU, Indoor Installation, Up to 6.1 GPM, Rinnai REP160iN Smart-Circ Non-Condensing Natural Gas Tankless Water Heater with Built-In Recirculation Pump
#adRinnai #ad - Professional installation recommended: visit the find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician.Smart, and parts, durable design: water heater fits a wide array of spaces; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, respectively; See Controlr module for WiFi control not included. Never run out of hot water with this compact tankless gas water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 6.
More information #ad
1 gpm 5 fixtures at once. Find your rinnai: see our product guides, energy guide, warranty information, videos, manuals, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region. Smart-circ intelligent recirculation: tankless hot water heater offers a built-in recirculation pump and Smart-Circ technology that learns your water use patterns, then schedules pump and recirculation accordingly for energy efficiency and convenience.
Brand | Rinnai #ad |
Manufacturer | Rinnai #ad |
Height | 27.28 Inches |
Length | 10.77 Inches |
Width | 14.05 Inches |
Part Number | REU-VEP2125FFD-US-N |
Model | REU-VEP2125FFD-US-N |
More information #ad
5. Rheem
#ad
Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater
#adRheem #ad - Hot water without the wait - or the waste. Perfect for a tank replacement. Water & gas leak detection will shut down unit and provide an error code. For use indoor only. Space savings - compact, space-saving design. Low operating cost - High energy efficiency and water savings setting.More information #ad
Brand | Rheem #ad |
Manufacturer | Rheem #ad |
Height | 28.5 Inches |
Length | 27.5 Inches |
Weight | 77 Pounds |
Width | 9.75 Inches |
Part Number | RTGH-95DVLN-2 |
Model | RTGH-95DVLN-2 |
More information #ad
6. Rinnai
#ad
11 GPM, Natural Gas, Indoor Installation, Rinnai RUR199iN Condensing Tankless Hot Water Heater
#adRinnai #ad - Optimal water pressure: up to 11 GPM hot water flow rate for a powerful, constant stream. Energy and space efficient: Space-saving design conserves energy as it heats only when necessary.Guaranteed to last: 15-, and 1-year residential for heat exchanger, labor, 5-, and parts, respectively. Instant heating: thermacirc360 technology provides faster hot water with a built-in recirculation pump, timer and thermal bypass valve - ideal for homes without a dedicated return line.
More information #ad
Endless hot water: enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended. Wifi monitoring.Brand | Rinnai #ad |
Manufacturer | Rinnai #ad |
Height | 33.86 Inches |
Length | 22.05 Inches |
Weight | 84 Pounds |
Width | 14.76 Inches |
Part Number | RUR199iN |
Model | RUR199iN |
Warranty | See Manufacturer |
More information #ad
7. Rheem
#ad
RTGH-RH10DVLN, Rheem Prestige Condensing Tankless Gas Indoor Natural Gas Water Heater With Built-in Recirculation 10.0 GPM
#adRheem #ad - Space savings - compact, space-saving design. Low operating cost - High energy efficiency and water savings setting. Water & gas leak detection will shut down unit and provide an error code.More information #ad
Auto-learn programming - tracks water usage over a period of time and auto-programs to meet hot water needs at peak times. Hot water without the wait - or the waste. Perfect for a tank replacement.Brand | Rheem #ad |
Manufacturer | Rheem #ad |
Height | 28.7 Inches |
Length | 14.8 Inches |
Weight | 85 Pounds |
Width | 17.3 Inches |
Part Number | RTGH-RH10DVLN |
Model | RTGH-RH10DVLN |
More information #ad
8. Rheem
#ad
RTGH-RH11DVLP, Rheem Prestige Condensing Tankless Indoor Liquid Propane Water Heater with Built in Recirculation 11.0 GPM
#adRheem #ad - Hot water without the wait - or the waste. Perfect for a tank replacement. Space savings - compact, space-saving design. Water & gas leak detection will shut down unit and provide an error code.More information #ad
Auto-learn programming - tracks water usage over a period of time and auto-programs to meet hot water needs at peak times. Low operating cost - High energy efficiency and water savings setting.Brand | Rheem #ad |
Manufacturer | Rheem #ad |
Height | 28.7 Inches |
Length | 14.8 Inches |
Weight | 85 Pounds |
Width | 17.3 Inches |
Part Number | RTGH-RH11DVLP |
Model | RTGH-RH11DVLP |
More information #ad
9. Rheem
#ad
Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater
#adRheem #ad - For use outdoors with freeze protection up to -30 degrees. Exclusive hot start Programming minimizes cold water burst by staying in ready-fire state.More information #ad
Recirculation pump ready kit ready. 157, 000 btu gas consumed per hour. Exclusive water savings technology conserving up to 1, 100 gallons per year. Fuel type: Natural Gas.Brand | Rheem #ad |
Manufacturer | Rheem #ad |
Height | 23.63 Inches |
Length | 8.88 Inches |
Weight | 57 Pounds |
Width | 13.88 Inches |
Part Number | RTG-84XLN-1 |
Model | RTG-84XLN-1 |
More information #ad
10. TAKAGI
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199,000 BTU, 10-Gallon Per Minute, Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater
#adTAKAGI #ad - Safety features include freeze, surge protection, overheat, and troubleshooting diagnostic codes. Satisfies the 2012 scaqmd rule 1146. 2 for ultra-Low NOx Emissions. Primary heat exchanger utilizes commercial-grade copper alloy for 25 times better heat transfer than stainless steel, Integrated controls and power cord as standard features.More information #ad
Computerized safety features, No pilot light to have to worry about. Endless hot water, Compact, space saving, On-demand usage, Energy conservation.Brand | TAKAGI #ad |
Manufacturer | Takagi #ad |
Height | 24.88 Inches |
Length | 11.25 Inches |
Weight | 59 Pounds |
Width | 17.75 Inches |
Part Number | T-H3-DV-N |
Model | T-H3-DV-N |
More information #ad