Top 10 Tankless Hot Water Heater Natural Gas Indoor – Water Heaters

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1. FOGATTI

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FOGATTI Indoor 7.5 GPM, 170000 BTU White Instant Hot Water Heater, Natural Gas Tankless Water Heater, Instagas Comfort 170 Series

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FOGATTI #ad - Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. The above-mentioned labor costs extra from 31 days. We recommend that all installations of units must be done in accordance with the local building and plumbing codes of the installation location and installation be done by a licensed professional.

The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water. It is suitable for 3-4 outlet points, which can satisfy whole family. Fogatti provide free replacement within 30 days, and 5 years warranty on heat exchanger and 2 years warranty on other parts.

Adopting the world's most advanced technology, superior safety and durability. Excellent quality csa certified in the United States and Canada. Compact design for easy installation. Uef over 082, the high energy conversion rate can effectively reduce energy loss. 170, 000 btu high heating capacity and maximum 7. 5 gpm.
BrandFOGATTI #ad
ManufacturerFOGATTI #ad
Height7.3 Inches
Length26.2 Inches
Weight40 Pounds
Width17.1 Inches
ModelFGD24IN

2. Rinnai

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7.5 GPM, Rinnai RUCS75iN Tankless Hot Water Heater, Indoor Installation, Natural Gas

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Rinnai #ad - Endless hot water: enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended.

Multiple venting options available including PVC/CPVC using the Ubbink Concentric to Twin Pipe adaptor allow for an easy installation. Energy and space efficient: Space-saving design conserves energy as it heats only when necessary. Guaranteed to last: 12-, parts, and 1-year residential factory warranty for heat exchanger, 5-, and labor respectively. Optimal water pressure: high-performance 7. 5 gpm hot water flow rate for a powerful, constant stream.
BrandRinnai #ad
ManufacturerRinnai #ad
Height14.5 Inches
Length22 Inches
Weight63 Pounds
Width34 Inches
Part NumberRUCS75iN
ModelRUCS75iN
WarrantySee Manufacturer

3. Rheem

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RTGH-95XLN-2, Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 9.5 GPM

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Rheem #ad - Perfect for a tank replacement. Low operating cost - High energy efficiency and water savings setting. Space savings - compact, space-saving design. For use outdoors with freeze protection up to -30 degrees. Hot water without the wait - or the waste. Water & gas leak detection will shut down unit and provide an error code.
BrandRheem #ad
ManufacturerRheem #ad
Height28.5 Inches
Length27.5 Inches
Weight77 Pounds
Width9.75 Inches
Part NumberRTGH-95XLN-2
ModelRTGH-95XLN-2

4. Rheem

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Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater

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Rheem #ad - Space savings - compact, space-saving design. Perfect for a tank replacement. Low operating cost - High energy efficiency and water savings setting. Hot water without the wait - or the waste. For use indoor only. Water & gas leak detection will shut down unit and provide an error code.
BrandRheem #ad
ManufacturerRheem #ad
Height28.5 Inches
Length27.5 Inches
Weight77 Pounds
Width9.75 Inches
Part NumberRTGH-95DVLN-2
ModelRTGH-95DVLN-2

5. Rinnai

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Indoor Installation, 9 GPM, Natural Gas, Rinnai RU160iN Condensing Tankless Hot Water Heater

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Rinnai #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.

Energy and space efficient: Space-saving design conserves energy as it heats only when necessary. Wifi monitoring. Guaranteed to last: 15-, labor, 5-, and parts, and 1-year residential for heat exchanger, respectively. Endless hot water: enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended. Optimal water pressure: up to 7 GPM hot water flow rate for a powerful, constant stream.
BrandRinnai #ad
ManufacturerRinnai #ad
Height33.86 Inches
Length22.05 Inches
Weight72.5 Pounds
Width14.76 Inches
Part NumberRU160iN
ModelRU160iN
WarrantySee Manufacturer

6. Rheem

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Gray, Silver , RHEEM RTGH-84DVLN-2 Natural Gas Condensing Tankless Water Heater

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Rheem #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. Space savings - compact, space-saving design. Hot water without the wait - or the waste.
BrandRheem #ad
ManufacturerRheem #ad
Height18.5 Inches
Length27.5 Inches
Weight77.9 Pounds
Width9.8 Inches
Part NumberRTGH-84DVLN-2
ModelRTGH-84DVLN-2

7. Rinnai

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9.8 GPM, Rinnai V94XiN Natural Gas Tankless Hot Water Heater

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Rinnai #ad - Enhanced scale detection lessens possibility of serious, long-term damage to unit. Optimal water pressure: high-performance up to 9. 8 gpm hot water flow rate for a powerful, constant stream. Endless hot water: enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended. Guaranteed to last: 10-, and parts, labor, and 1-year residential factory warranty for heat exchanger, 5-, respectively. Energy and space efficient: Space-saving design conserves energy as it heats only when necessary.
BrandRinnai #ad
ManufacturerRinnai #ad
Height13 Inches
Length17.5 Inches
Weight46.3 Pounds
Width31 Inches
Part NumberV94XIN
ModelV94XIN
WarrantySee Manufacturer

8. TAKAGI

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6.6-Gallon Per Minute, Takagi T-H3J-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater

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TAKAGI #ad - Endless hot water, Compact, on-demand usage, Space saving, Energy conservation. Satisfies the 2012 scaqmd rule 1146. 2 for ultra-Low NOx Emissions. Computerized safety features, No pilot light to have to worry about.
BrandTAKAGI #ad
ManufacturerTakagi #ad
Height24.88 Inches
Length11.25 Inches
Weight58 Pounds
Width17.75 Inches
Part NumberT-H3J-DV-N
ModelT-H3J-DV-N

9. Rinnai

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7.5 GPM, Rinnai RL75iN Natural Gas Tankless Hot Water Heater

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Rinnai #ad - Never run out of hot water with this compact tankless gas water heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 7. 5 gpm 5 fixtures at once.

Smart, and parts, 5-, durable design: includes 12-, and 1-year residential guarantee and 5-, labor, 5-, and 1-year commercial factory warranty for heat exchanger, respectively; See Controlr module for WiFi control not included. Original design: tankless hot water heater's circ-logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE160iN model. 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.

Find your rinnai: see our product guides, manuals, videos, warranty information, energy guide, 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.
BrandRinnai #ad
ManufacturerRinnai #ad
Height31 Inches
Length17.5 Inches
Weight54 Pounds
Width13 Inches
Part NumberRL75iN
ModelRL75iN
WarrantySee Manufacturer

10. Rinnai

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Natural Gas, Indoor Installation, 9 GPM, Rinnai RUR160iN Condensing Tankless Hot Water Heater

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Rinnai #ad - 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.

Wifi monitoring. Guaranteed to last: 15-, and parts, 5-, labor, and 1-year residential for heat exchanger, respectively. Energy and space efficient: Space-saving design conserves energy as it heats only when necessary. Optimal water pressure: up to 9 GPM hot water flow rate for a powerful, constant stream. Endless hot water: enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended.
BrandRinnai #ad
ManufacturerRinnai #ad
Height31.3 Inches
Length11.4 Inches
Weight82.5 Pounds
Width18.5 Inches
Part NumberRUR160iN
ModelRUR160iN
WarrantySee Manufacturer