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Indicates the minimum flow rate (in GPM) of the product.
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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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Voltage is the electric potential, expressed in volts (V).Voltage is the push, or pressure, behind current flow.
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This is a side view of a Tankless Water Heater. Front to Back measurement.

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Indicates the maximum gas input measured in BTUs.
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Shop Rinnai Whole House Tankless Water Heaters

Rinnai Whole House Tankless Water Heaters


27 Products

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  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • Rinnai RU98EN
  • Rinnai RU98EN
  • Exterior 9.8 GPM Natural Gas Tankless Water Heater
  • Our Price: $1,250.00
  • You Save: 48%
  • Available in 1 Finish
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • Rinnai RC98eNG
  • Rinnai RC98eNG
  • High Efficiency Condensing External Whole House Natural Gas Tankless Water Heater 9.8 Gallons Per Minute
  • Our Price: $1,408.85
  • You Save: 39%
  • Ultra Collection
  • Available in 1 Finish
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • 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
  • Compare
  • Rinnai RV65iLP
  • Rinnai RV65iLP
  • Indoor Liquid Propane 6.6 GPM Tankless Water Heater from the Value Series
  • Our Price: $777.33
  • You Save: 26%
  • Value Collection
  • Available in 1 Finish
  • Compare
  • Rinnai E75C
  • Rinnai E75C
  • 75000 BTU Tankless Condensing Gas Boiler with 2.1 Gallons Per Minute
  • Our Price: $3,046.91
  • You Save: 20%
  • E Collection
  • Available in 1 Finish
  • Compare
  • Rinnai RV75eLP
  • Rinnai RV75eLP
  • Outdoor 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
  • Compare
  • Rinnai V75ING
  • Rinnai V75ING
  • Value Collection Natural Gas, Internal Whole House Tankless Water Heater
  • Our Price: $911.33
  • You Save: 33%
  • Value Collection
  • Available in 1 Finish
  • Compare
  • Rinnai RC80eNG
  • Rinnai RC80eNG
  • High Efficiency Condensing External Whole House Natural Gas Tankless Water Heater 8.0 Gallons Per Minute
  • Our Price: $1,412.97
  • You Save: 34%
  • Ultra Collection
  • Available in 1 Finish
  • Compare
  • Rinnai E110C
  • Rinnai E110C
  • 110000 BTU Tankless Condensing Gas Boiler with 4.8 Gallons Per Minute
  • Our Price: $2,980.00
  • You Save: 27%
  • Available in 1 Finish
  • Compare
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