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Tankless and Tank Water Heater Product Types

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Indicates the minimum flow rate (in GPM) of the product.
Minimum Flow Rate

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Voltage is the electric potential, expressed in volts (V).Voltage is the push, or pressure, behind current flow.
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Indicates the minimum gas input measured in BTUs.
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Indicates the maximum gas input measured in BTUs.
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Is product compliant with laws to minimize lead content in products designed to deliver drinking water.
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The connection from your gas line to your gas powered tankless water heater.
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Indicates the size water connection needed for your tankless water heater.
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This is a side view of a Tankless Water Heater. Front to Back measurement.

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Gas and Propane Tankless Water Heaters


96 Products

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  • Takagi T-KJr2-IN-NG
  • Takagi T-KJr2-IN-NG
  • 6.6 GPM Natural Gas Indoor Tankless Water Heater
  • Our Price: $545.00
  • You Save: 46%
  • Available in 1 Finish
  •  5 out of 5 5 out of 5 5 out of 5 5 out of 5 5 out of 5
  • Takagi T-KJR2-IN-LP
  • Takagi T-KJR2-IN-LP
  • Liquid Propane Compact Tankless Water Heater 6.6 GPM – Indoor
  • Our Price: $536.00
  • You Save: 47%
  • Flash Collection
  • Available in 1 Finish
  •  4.5 out of 5 4.5 out of 5 4.5 out of 5 4.5 out of 5 4.5 out of 5
  • Rinnai RL94iNG
  • Rinnai RL94iNG
  • Internal Whole House Natural Gas Tankless Water Heater 9.4 Gallons Per Minute with Isolation Valves
  • Our Price: $1,065.00
  • You Save: 41%
  • Luxury Collection
  • Available in 1 Finish
  • Takagi T-KJr2-OS-LP
  • Takagi T-KJr2-OS-LP
  • 6.6 GPM Liquid Propane Gas Outdoor Tankless Water Heater
  • Our Price: $526.00
  • You Save: 48%
  • Available in 1 Finish
  •  5 out of 5 5 out of 5 5 out of 5 5 out of 5 5 out of 5
  • Rinnai RL94iLP
  • Rinnai RL94iLP
  • Internal Whole House Liquid Propane Tankless Water Heater 9.4 Gallons Per Minute with Isolation Valves
  • Our Price: $1,185.00
  • You Save: 35%
  • Luxury Collection
  • Available in 1 Finish
  • Rinnai V53eNG
  • Rinnai V53eNG
  • External Whole House Natural Gas Tankless Water Heater 5.3 Gallons Per Minute Less Isolation Valves
  • Our Price: $569.95
  • You Save: 34%
  • Value Collection
  • Available in 1 Finish
  • Rinnai RV65iNG
  • Rinnai RV65iNG
  • Indoor Natural Gas 6.6 GPM Tankless Water Heater from the Value Series
  • Our Price: $799.00
  • You Save: 24%
  • Value Collection
  • Available in 1 Finish
  • Takagi TH3SDV
  • Takagi TH3SDV
  • TH3 Series 180000 BTU Direct Vent Indoor Whole House Tankless Water Heater
  • Our Price: $979.99 - $1,025.64
  • You Save: 44%
  • TH3 Collection
  • Available in 2 Finishes
  •  5 out of 5 5 out of 5 5 out of 5 5 out of 5 5 out of 5
  • Takagi T-KJr2-OS-NG
  • Takagi T-KJr2-OS-NG
  • 6.6 GPM Natural Gas Outdoor Tankless Water Heater
  • Our Price: $539.47
  • You Save: 47%
  • Available in 1 Finish
  •  5 out of 5 5 out of 5 5 out of 5 5 out of 5 5 out of 5
  • Takagi T-K4-IN-NG
  • Takagi T-K4-IN-NG
  • 8.0 GPM Natural Gas Indoor Tankless Water Heater from the Tankless Collection
  • Our Price: $749.25
  • You Save: 43%
  • Available in 1 Finish
  • Takagi T-K4-OS-NG
  • Takagi T-K4-OS-NG
  • (Natural Gas) Outdoor Tankless Water Heater 8.0 GPM from Tankless Collection
  • Our Price: $784.99
  • You Save: 41%
  • Available in 1 Finish
  • Rinnai RL75iNG
  • Rinnai RL75iNG
  • Internal Whole House Natural Gas Tankless Water Heater 7.5 Gallons Per Minute with Isolation Valves
  • Our Price: $899.00
  • You Save: 40%
  • Luxury Collection
  • Available in 1 Finish
  •  4 out of 5 4 out of 5 4 out of 5 4 out of 5 4 out of 5
  • Rinnai RU80iNG
  • Rinnai RU80iNG
  • Ultra Collection Natural Gas, High Efficiency Condensing Internal Whole House Tankless Water Heater 8.0 Gallons Per Minute
  • Our Price: $1,169.00
  • You Save: 45%
  • Ultra Collection
  • Available in 1 Finish
  • Rinnai RU98IP
  • Rinnai RU98IP
  • 9.8 GPM Indoor Condensing Propane Tankless Water Heater
  • Our Price: $1,390.31
  • You Save: 42%
  • Commercial Collection
  • Available in 1 Finish
  • Takagi T-K4-IN-LP
  • Takagi T-K4-IN-LP
  • 8.0 GPM Liquid Propane Indoor Tankless Water Heater from the Tankless Collection
  • Our Price: $748.99
  • You Save: 43%
  • Available in 1 Finish
  • Rinnai R98LSiLP
  • Rinnai R98LSiLP
  • Internal High Volume Liquid Propane Tankless Water Heater 9.8 Gallons Per Minute
  • Our Price: $1,229.00
  • You Save: 33%
  • Commercial Collection
  • Available in 1 Finish
  • Takagi T-H3-OS
  • Takagi T-H3-OS
  • TH3 Series 199000 BTU Outdoor Whole House Tankless Water Heater
  • Our Price: $1,153.85
  • You Save: 41%
  • TH3 Collection
  • Available in 2 Finishes
  • Takagi T-M32-NG
  • Takagi T-M32-NG
  • Natural Gas Commercial Tankless Water Heater 9.6 GPM – Can Link up to 20 Units
  • Our Price: $1,105.99
  • You Save: 54%
  • Flash Collection
  • Available in 1 Finish
  • Rinnai V53eLP
  • Rinnai V53eLP
  • External Whole House Liquid Propane Tankless Water Heater 5.3 Gallons Per Minute Less Isolation Valves
  • Our Price: $619.00
  • You Save: 28%
  • Value Collection
  • Available in 1 Finish
  • Takagi T-D2-OS-NG
  • Takagi T-D2-OS-NG
  • 10.0 GPM Commercial Natural Gas or Liquid Propane Outdoor Tankless Water Heater from the Tankless Collection
  • Our Price: $955.49
  • You Save: 41%
  • Available in 1 Finish
  • Takagi T-M50-NG
  • Takagi T-M50-NG
  • Commercial Natural Gas or Liquid Propane Indoor Tankless Water Heater 14.5 GPM
  • Our Price: $2,892.05
  • You Save: 41%
  • Mobius Collection
  • Available in 1 Finish
  • Rinnai RV65eNG
  • Rinnai RV65eNG
  • Outdoor Natural Gas 6.6 GPM Tankless Water Heater from the Value Series
  • Our Price: $769.00
  • You Save: 21%
  • Value Collection
  • Available in 1 Finish
  • Rinnai RL94eNG
  • Rinnai RL94eNG
  • External Whole House Natural Gas Tankless Water Heater 9.4 Gallons Per Minute with Isolation Valves
  • Our Price: $1,045.00
  • You Save: 42%
  • Luxury Collection
  • Available in 1 Finish
  • Rheem RTG-95XN
  • Rheem RTG-95XN
  • Natural Gas, Outdoor Whole House Tankless Water Heater, 9.5 GPM (Residential or Commercial)
  • Our Price: $1,153.53
  • You Save: 14%
  • Natural Gas Collection
  • Available in 1 Finish
  • Rheem RTG-95DVN
  • Rheem RTG-95DVN
  • Natural Gas, Indoor Whole House Tankless Water Heater, 9.5 GPM (Residential or Commercial)
  • Our Price: $1,182.65
  • You Save: 19%
  • Natural Gas Collection
  • Available in 1 Finish
  • Rinnai RL94eLP
  • Rinnai RL94eLP
  • External Whole House Liquid Propane Tankless Water Heater 9.4 Gallons Per Minute with Isolation Valves
  • Our Price: $1,055.00
  • You Save: 42%
  • Luxury Collection
  • Available in 1 Finish
  • Rinnai R98LSeNG
  • Rinnai R98LSeNG
  • External High Volume Natural Gas Tankless Water Heater 9.8 Gallons Per Minute
  • Our Price: $1,125.00
  • You Save: 37%
  • Commercial Collection
  • Available in 1 Finish
  • Takagi T-M32ASME-NG
  • Takagi T-M32ASME-NG
  • Asme Version Heavy-Duty Commercial Natural Gas Tankless Water Heater
  • Our Price: $1,150.99
  • You Save: 61%
  • Mobius Collection
  • Available in 1 Finish
  • Rinnai RL75iLP
  • Rinnai RL75iLP
  • Internal Whole House Liquid Propane Tankless Water Heater 7.5 Gallons Per Minute with Isolation Valves
  • Our Price: $1,002.00
  • You Save: 33%
  • Luxury Collection
  • Available in 1 Finish
  • Rinnai RC80HPeLP
  • Rinnai RC80HPeLP
  • High Efficiency Condensing External Whole House Liquid Propane Tankless Water Heater 8.0 Gallons Per Minute Less Valves
  • Our Price: $952.00
  • You Save: 52%
  • Ultra Collection
  • Available in 1 Finish
  • Rinnai RL75eLP
  • Rinnai RL75eLP
  • External Whole House Liquid Propane Tankless Water Heater 7.5 Gallons Per Minute with Isolation Valves
  • Our Price: $895.00
  • You Save: 40%
  • Luxury Collection
  • Available in 1 Finish
  • Takagi T-H3J-DV
  • Takagi T-H3J-DV
  • TH3 Series 160000 BTU Direct Vent Liquid Propane Whole House Tankless Water Heater
  • Our Price: $1,000.00
  • You Save: 35%
  • TH3 Collection
  • Available in 1 Finish
  • Rheem RTG-64XP
  • Rheem RTG-64XP
  • Liquid Propane, Outdoor Whole House Tankless Water Heater, 6.4 GPM
  • Our Price: $682.04
  • You Save: 20%
  • Liquid Propane Collection
  • Available in 1 Finish
  • Rheem RTGH-95DVLN
  • Rheem RTGH-95DVLN
  • Natural Gas Whole House Indoor Water Heater 9.5 GPM Residential
  • Our Price: $1,418.96
  • You Save: 14%
  • Prestige Collection
  • Available in 1 Finish
  • Rinnai RV75eNG
  • Rinnai RV75eNG
  • Outdoor Natural Gas 7.5 GPM Tankless Water Heater from the Value Series
  • Our Price: $949.00
  • You Save: 30%
  • Value Collection
  • Available in 1 Finish
  • Rinnai RV75iLP
  • Rinnai RV75iLP
  • Indoor Liquid Propane 7.5 GPM Tankless Water Heater from the Value Series
  • Our Price: $1,002.47
  • You Save: 26%
  • Value Collection
  • Available in 1 Finish
  •  5 out of 5 5 out of 5 5 out of 5 5 out of 5 5 out of 5
  • Rinnai RV75iNG
  • Rinnai RV75iNG
  • Indoor Natural Gas 7.5 Tankless Water Heater from the Value Series
  • Our Price: $1,049.00
  • You Save: 23%
  • Value Collection
  • Available in 1 Finish
  • Takagi T-D2-IN-NG
  • Takagi T-D2-IN-NG
  • 10.0 GPM Commercial Natural Gas Indoor Tankless Water Heater from the Tankless Collection
  • Our Price: $890.99
  • You Save: 46%
  • Available in 1 Finish
  • Rinnai RL75eNG
  • Rinnai RL75eNG
  • External Whole House Natural Gas Tankless Water Heater 7.5 Gallons Per Minute with Isolation Valves
  • Our Price: $1,002.00
  • You Save: 33%
  • Luxury Collection
  • Available in 1 Finish
  • Rinnai RV65eLP
  • Rinnai RV65eLP
  • Outdoor Liquid Propane 6.6 GPM Tankless Water Heater from the Value Series
  • Our Price: $722.33
  • You Save: 26%
  • Value Collection
  • Available in 1 Finish
  • Rinnai RU80iLP
  • Rinnai RU80iLP
  • High Efficiency Condensing Internal Whole House Liquid Propane Tankless Water Heater 8.0 Gallons Per Minute
  • Our Price: $1,195.00
  • You Save: 44%
  • Ultra Collection
  • Available in 1 Finish
  • Rheem RTG-64XN
  • Rheem RTG-64XN
  • Natural Gas, Outdoor Whole House Tankless Water Heater, 6.4 GPM
  • Our Price: $682.04
  • You Save: 20%
  • Natural Gas Collection
  • Available in 1 Finish
  • Rinnai R98LSi-ASMENG
  • Rinnai R98LSi-ASMENG
  • ASME Certified Internal Whole House Natural Gas Tankless Water Heater 7.5 Gallons Per Minute with Isolation Valves
  • Our Price: $1,088.00
  • You Save: 41%
  • Commercial Collection
  • Available in 1 Finish
  • Rheem RTG-84DVP
  • Rheem RTG-84DVP
  • Liquid Propane, Indoor Whole House Tankless Water Heater, 8.4 GPM (Residential or Commercial)
  • Our Price: $929.55
  • You Save: 20%
  • Liquid Propane Collection
  • Available in 1 Finish
  • Takagi T-H3S-OS
  • Takagi T-H3S-OS
  • TH3 Series 180000 BTU Outdoor Whole House Tankless Water Heater
  • Our Price: $1,025.64
  • You Save: 41%
  • TH3 Collection
  • Available in 1 Finish
  • Rheem RTGH-95DVLP
  • Rheem RTGH-95DVLP
  • Liquid Propane Whole House Indoor Water Heater 9.5 GPM Residential
  • Our Price: $1,400.29
  • You Save: 19%
  • Prestige Collection
  • Available in 1 Finish
  • Rheem RTG-64DVP
  • Rheem RTG-64DVP
  • Liquid Propane, Indoor Whole House Tankless Water Heater, 6.4 GPM
  • Our Price: $764.92
  • You Save: 20%
  • Liquid Propane Collection
  • Available in 1 Finish
  • Takagi T-K4U-IN
  • Takagi T-K4U-IN
  • 190000 BTU Direct Vent Whole House Tankless Water Heater
  • Our Price: $942.31
  • You Save: 39%
  • Available in 1 Finish
« Previous12Next »
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