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Natural Gas Water Heaters

A good water heater is absolutely essential if you don't want to spend your life taking cold waters. The size you need depends on your family or household and how much water you use on a daily basis, but whatever your water consumption habits, AppliancesConnection.com has you covered. Be sure to peruse our extensive selection of water heaters at various capacities to ensure you find the right one to meet your needs.
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(6 Reviews)
Bosch 940ESNG Energy Star
Therm 940ESNG 18" Natural Gas Tankless Water Heater With 199,000 BTU Max Input, Energy Star Rated, Electronic Ignition, 150 PSI Max Water Pressure, Non-Condensing, In Grey
  • Energy Star: Yes
  • Voltage: 120 Volts
  • Width: 17.875"
  • Fuel Type: Natural Gas
  • Height: 30.5"

  Savings After Saving  
940ESONG Natural Gas Rebates$162.00 $1211.00
940ESLP Liquid Propane Rebates$260.00 $1349.00
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AO Smith BTR275
BTR-275 Commercial Tank Type Water Heater Nat Gas 100 Gal Master-Fit 275,000 BTU Input
  • Fuel Type: Natural Gas
  • Height: 72"

    Our Price
BTR275 Water Heaters $6199.00
(1 Reviews)
Rheem RTG95DVN Energy Star
RTG95DVN Indoor Whole House Tankless Water Heater, 9.5 GPM (Residential or Commercial) Natural Gas
  • Energy Star: Yes
  • Width: 13.875"
  • Fuel Type: Natural Gas
  • Height: 25.625"
  • Depth: 9.875"


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Takagi TH3OSN
TH3OSN Natural Gas Outdoor Tankless Water Heater with Energy Factor of .95, Remote Control, Multi-Link up to 20 with a Multi-Unit Controller, Easy-Link up to four units without a Multi-Unit Controller
  • Voltage: 120 Volts
  • Width: 17.75"
  • Fuel Type: Natural Gas
  • Height: 22.50"
  • Depth: 10.75"


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AO Smith BTR400A
BTR-400A Commercial Tank Type Water Heater Nat Gas 100 Gal Master-Fit 390,000 BTU Input
  • Width: 30.25"
  • Fuel Type: Natural Gas
  • Height: 75.5"

    Our Price
BTR400A Water Heaters $9899.00

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Takagi TM32NG
T-M32-NG Natural Gas Commercial Tankless Water Heater 9.6 GPM Can Link up to 20 Units
  • Fuel Type: Natural Gas

    Our Price
QuickShip TM32NG Natural Gas $1765.00

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Rheem RTG64DVN
RTG64DVN Indoor Whole House Tankless Water Heater, 6.4 GPM, Natural Gas
  • Width: 13.875"
  • Fuel Type: Natural Gas
  • Height: 25.625"
  • Depth: 9.875"

  Savings After Saving  
RTG64DVP Liquid Propane $65.00 $930.00
RTG64DVN Natural Gas   $865.00

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AO Smith PCG75
PCG75 61" High 74 Gallon ProMax High Recovery 10 Yr Warranty Residential Water Heater (Nat Gas)
  • Fuel Type: Natural Gas
  • Height: 61"

    Our Price
PCG75 Natural Gas $984.99

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Takagi TH2OSNG
T-H2-OS-NG 9.0 GPM Natural Gas or Liquid Propane Indoor Tankless Water Heater 9.0 GPM from the Tankless Collection
  • Width: 18.5"
  • Fuel Type: Natural Gas
  • Height: 25.6"
  • Depth: 12.4"


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Takagi TKJR2INNG
T-KJr2-INNG Tankless Indoor Water Heater (Natural Gas)
  • Width: 13.8"
  • Fuel Type: Natural Gas
  • Height: 20.3"
  • Depth: 6.7"

(2 Reviews)
Bosch 520HNNG
Therm 520HNNG 19" Natural Gas Tankless Water Heater With 117,000 Max Input BTU, Patented Hydro Power Ignition, 150 PSI Max Water Pressure, 80% Thermal Efficiency, 5.2 GPM Capacity, In Grey
  • Width: 18.5"
  • Fuel Type: Natural Gas
  • Height: 36.75"
  • Depth: 10.5"
  • Usage: Residential

  Savings After Saving  
QuickShip 520HNLP Liquid Propane Rebates$219.00 $918.00
QuickShip 520HNNG Natural Gas Rebates  $769.00

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AO Smith BTR251A
BTR-251A Commercial Tank Type Water Heater, Natural Gas, 65 Gallon, Master-Fit, 251,000 BTU Input
  • Fuel Type: Natural Gas
  • Height: 75"

    Our Price
BTR251A Water Heaters $7199.99

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Takagi TH3SDVNG
TH3SDVNG Indoor High Efficiency Condensing Tankless Natural Gas Water Heater, with Energy Star Rating, 8.0 Max GPM, Erosion Resistant Heat Exchanger, Temperature Control, and Electronic Ignition
  • Width: 17.75"
  • Fuel Type: Natural Gas
  • Height: 22.5"
  • Depth: 10.25"
  • Usage: Both

(1 Reviews)
Rheem RTG84DVN Energy Star
RTG84DVN Indoor Whole House Tankless Water Heater, 8.4 GPM (Residential or Commercial), Natural Gas
  • Energy Star: Yes
  • Width: 13.875"
  • Fuel Type: Natural Gas
  • Height: 25.625"
  • Depth: 9.875"


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Rheem RTG64DVLN
RTG64DVLN Direct Vent Tankless Water Heater with Built-in Electric Blower, Concentric Vent System, Digital Remote Control, Self-diagnostic System and Digital Display for Settings in Stainless Steel
  • Voltage: 120 Volts
  • Fuel Type: Natural Gas
  • Usage: Residential
  • Tankless: Yes


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AO Smith BTR305A
BTR-305A Commercial Tank Type Water Heater Nat Gas 65 Gal Master-Fit 305,000 BTU Input
  • Fuel Type: Natural Gas
  • Height: 75"

    Our Price
BTR305A Water Heaters $7599.00
(1 Reviews)
Rheem RTG95XN Energy Star
RTG95XN Outdoor Whole House Tankless Water Heater, 9.5 GPM (Residential or Commercial) Natural Gas
  • Energy Star: Yes
  • Voltage: n/a
  • Width: 13.875"
  • Fuel Type: Natural Gas
  • Height: 25.625"

  Savings After Saving  
RTG95XP Liquid Propane $983.00 $2060.00
RTG95XN Natural Gas   $1077.00

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AO Smith BTR275A
BTR-275A Commercial Tank Type Water Heater, Natural Gas, 100 Gallon, Master-Fit, 275,000 BTU Input
  • Fuel Type: Natural Gas
  • Height: 72"

    Our Price
BTR275A Water Heaters $7499.00

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Rheem RTG64XLN
RTG-64XLN Outdoor Whole House Tankless 6.4 GPM Water Heater With Self Diagnostic, .26 GPM Minimum Flow Rate, Guardian OFW Overheat Film Wrap, Electronic Ignition, Energy Star Compliant, In Grey
  • Width: 13.875"
  • Fuel Type: Natural Gas
  • Height: 25.625"
  • Depth: 9.875"
  • Usage: Residential


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AO Smith BTR400
BTR-400 Commercial Tank Type Water Heater Natural Gas 100 Gallon Master-Fit 390,000 BTU Input
  • Fuel Type: Natural Gas
  • Height: 72-1/2"

    Our Price
BTR400 Water Heaters $8499.00

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Takagi TD2OSNG
T-D2-OS-NG 10.0 GPM Commercial Natural Gas or Liquid Propane Outdoor Tankless Water Heater from the Tankless Collection
  • Fuel Type: Natural Gas

(4 Reviews)
Bosch 830ESNG Energy Star
Therm 830ESNG 18" Natural Gas Tankless Water Heater With 175,000 Max Input BTU, Non Condensing Technology, 150 PSI Max Water Pressure, Energy Star Rated, Electronic Ignition, In Grey
  • Energy Star: Yes
  • Voltage: 120 Volts
  • Width: 17.875"
  • Fuel Type: Natural Gas
  • Height: 30.5"

  Savings After Saving  
QuickShip 830ESLP Liquid Propane Rebates$235.00 $1164.00
QuickShip 830ESNG Natural Gas Rebates  $929.00
(2 Reviews)
Bosch 330PNNG
Therm 330PNN 13" Natural Gas Tankless Water Heater With 75,000 Max Input BTU, 3.3 GPM Capacity At 35 F, 150 PSI Max Water Pressure, Non-Condensing, Piezo Ignition System, In Grey
  • Width: 12.25"
  • Fuel Type: Natural Gas
  • Height: 22.875"
  • Depth: 8.75"
  • Usage: Residential

  Savings After Saving  
QuickShip 330PNLP Liquid Propane Rebates$72.00 $521.00
QuickShip 330PNNG Natural Gas Rebates  $449.00

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Takagi TD2INNG
T-D2-IN-NG Tankless Collection 10.0 GPM Commercial Indoor Tankless Water Heater: Natural Gas
  • Width: 18.5"
  • Fuel Type: Natural Gas
  • Height: 20.3"
  • Depth: 8.5"

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