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Rinnai

Rinnai tankless water heaters deliver endless hot water with compact, efficient designs. Build the right system with indoor or outdoor models in natural gas or propane, condensing or non-condensing, recirculation options, clean venting, and the install parts to finish the job.

Shop by category

  • Condensing (SENSEI series): high-efficiency indoor/outdoor units; concentric or 2-pipe venting
  • Non-condensing: value models for simple replacements and mild climates
  • Recirculation: built-in pump models, recirc-ready units, crossover/bypass kits, timers and controls
  • Venting & covers: concentric and twin-pipe kits, terminations, pipe covers, wall thimbles
  • Controls: wall remotes and optional Wi-Fi/app modules
  • Install & service parts: isolation/flush valve kits, filters, condensate neutralizers, NG/LP conversion kits, repair parts

Quick choosing guide

  1. Size by demand: total peak fixtures and calculate GPM at your winter temperature rise; select a unit that meets that flow on the spec curve.
  2. Pick location & fuel: indoor with a vent route or outdoor where climate allows; choose natural gas or propane and confirm gas line capacity.
  3. Efficiency: choose condensing for higher efficiency (plan a condensate drain/neutralizer) or non-condensing for straightforward replacements.
  4. Faster hot water: pick a built-in recirc model or add a recirc kit to a recirc-ready unit; set schedules to reduce wait time.
  5. Venting: select concentric or 2-pipe per the manual; follow clearances and use approved materials and terminations.
  6. Complete the kit: install isolation/flush valves, pipe cover if desired, controller/Wi-Fi, sediment filter, and proper electrical/gas shutoff.


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    Rinnai RE199eN — 9.8 GPM Non-Condensing Natural Gas Tankless Water Heater (199,000 BTU)

    Rinnai
    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,423.10
    $ 1,423.10 - $ 1,423.10
    $ 1,423.10

    Rinnai RE199eN — Natural Gas Non-Condensing Tankless Water Heater The Rinnai RE199eN brings high-capacity on-demand hot water using natural gas. En...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,423.10
    $ 1,423.10 - $ 1,423.10
    $ 1,423.10

  • Rinnai REP199eN High Efficiency Outdoor Non Condensing Tankless Water Heater With Recirculation Pump

    Rinnai
    $ 1,535.10 - $ 1,535.10
    $ 1,535.10
    $ 1,535.10 - $ 1,535.10
    $ 1,535.10

    Rinnai REP199eN Outdoor Tankless Water Heater With Recirculation Pump Enjoy an endless supply of hot water with the Rinnai REP199eN tankless water ...

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    $ 1,535.10 - $ 1,535.10
    $ 1,535.10
    $ 1,535.10 - $ 1,535.10
    $ 1,535.10

  • Rinnai - REP160iN - REP Model Series High Efficiency Non Condensing includes a built-in recirculation pump.

    Rinnai
    $ 1,129.10 - $ 1,129.10
    $ 1,129.10
    $ 1,129.10 - $ 1,129.10
    $ 1,129.10

    Spec Sheet Install Manual Learn More REP160iN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tan...

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    $ 1,129.10 - $ 1,129.10
    $ 1,129.10
    $ 1,129.10 - $ 1,129.10
    $ 1,129.10

  • Rinnai REP160eN High Efficiency Non Condensing Natural Gas Tankless Water Heater With Built-in Recirculation Pump.

    Rinnai
    $ 1,129.10 - $ 1,129.10
    $ 1,129.10
    $ 1,129.10 - $ 1,129.10
    $ 1,129.10

    Rinnai REP160eN High Efficiency Tankless Water Heater With Recirculation Pump Enjoy the freedom of endless hot water installed right outside your h...

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    $ 1,129.10 - $ 1,129.10
    $ 1,129.10
    $ 1,129.10 - $ 1,129.10
    $ 1,129.10

  • Rinnai RE140eN High Efficiency Non Condensing Outdoor Natural Gass Tankless Water Heater

    Rinnai
    $ 884.10 - $ 884.10
    $ 884.10
    $ 884.10 - $ 884.10
    $ 884.10

    Rinnai RE140eN High Efficiency Outdoor Tankless Water Heater The Rinnai RE140eN Natural Gas Tankless Water Heater  is the perfect combination of hi...

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    $ 884.10 - $ 884.10
    $ 884.10
    $ 884.10 - $ 884.10
    $ 884.10

  • Rinnai - RE140iN - RE Model Series High Efficiency Non Condensing

    Rinnai
    $ 884.10 - $ 884.10
    $ 884.10
    $ 884.10 - $ 884.10
    $ 884.10

    Spec Sheet  Install Manual Learn More RE140iN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tan...

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    $ 884.10 - $ 884.10
    $ 884.10
    $ 884.10 - $ 884.10
    $ 884.10

  • Rinnai - EX38DTWN - EX_DT Model Series Natural Gas Direct Vent Wall Furnace (White)

    Rinnai
    $ 2,492.28 - $ 2,492.28
    $ 2,492.28
    $ 2,492.28 - $ 2,492.28
    $ 2,492.28

    Install Manual Consistent Warmth EX38DTWP is a quick, flexible installed, ductless, propane gas, direct vent wall furnace from Rinnai; the perfect ...

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    $ 2,492.28 - $ 2,492.28
    $ 2,492.28
    $ 2,492.28 - $ 2,492.28
    $ 2,492.28
  • Rinnai EX38CN Natural Gas Direct Vent Wall Furnace

    Rinnai EX38DTN Natural Gas Direct Vent Wall Furnace 38400 BTU

    Rinnai
    $ 2,492.28 - $ 2,492.28
    $ 2,492.28
    $ 2,492.28 - $ 2,492.28
    $ 2,492.28

    Rinnai EX38DTN 38400 BTU Wall Furnace The Rinnai EX38DTN Natural Gas Direct Vent Wall Furnace is a high-capacity, supplemental or zone heating solu...

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    $ 2,492.28 - $ 2,492.28
    $ 2,492.28
    $ 2,492.28 - $ 2,492.28
    $ 2,492.28

  • Rinnai EX22DTN Natural Gas Direct Vent Wall Furnace White 21500 BTU

    Rinnai
    $ 2,092.86 - $ 2,092.86
    $ 2,092.86
    $ 2,092.86 - $ 2,092.86
    $ 2,092.86

    Rinnai EX22DTN Natural Gas Wall Furnace Quickly and efficiently heat any cold spot in your home with the Rinnai EX22DTN natural gas direct vent wal...

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    $ 2,092.86 - $ 2,092.86
    $ 2,092.86
    $ 2,092.86 - $ 2,092.86
    $ 2,092.86
  • Rinnai EX11CN Natural Gas Direct Vent Wall Furnace
    Rinnai EX11CN Natural Gas Direct Vent Wall Furnace

    Rinnai EX11DTP Propane Gas Direct Vent Wall Furnace

    Rinnai
    $ 1,581.93 - $ 1,581.93
    $ 1,581.93
    $ 1,581.93 - $ 1,581.93
    $ 1,581.93

    Rinnai EX11DTP Direct Vent Wall Furnace The Rinnai EX11DT-P Propane Direct Vent Wall Furnace is your perfect solution for tackling those stubborn c...

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    $ 1,581.93 - $ 1,581.93
    $ 1,581.93
    $ 1,581.93 - $ 1,581.93
    $ 1,581.93

  • Rinnai REP199iN High Efficiency Non Condensing Indoor Tankless Water Heater With Built-in Recirculation Pump

    Rinnai
    $ 1,535.10 - $ 1,535.10
    $ 1,535.10
    $ 1,535.10 - $ 1,535.10
    $ 1,535.10

    Rinnai REP199iN High Efficiency Tankless Water Heater With Recirculation Pump The Rinnai REP199iN High-Efficiency Tankless Water Heater delivers ma...

    View full details
    $ 1,535.10 - $ 1,535.10
    $ 1,535.10
    $ 1,535.10 - $ 1,535.10
    $ 1,535.10

  • Rinnai RE199iN Natural Gas High Efficiency Non Condensing Tankless Water Heater

    Rinnai
    $ 1,423.10 - $ 1,423.10
    $ 1,423.10
    $ 1,423.10 - $ 1,423.10
    $ 1,423.10

    Rinnai RE199iN Natural Gas Tankless Water Heater Never run out of hot water again with the Rinnai RE199iN natural gas non-condensing tankless water...

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    $ 1,423.10 - $ 1,423.10
    $ 1,423.10
    $ 1,423.10 - $ 1,423.10
    $ 1,423.10

  • Rinnai RE180iN Natural Gas High Efficiency Non Condensing Tankless Water Heater

    Rinnai
    $ 1,212.40 - $ 1,212.40
    $ 1,212.40
    $ 1,212.40 - $ 1,212.40
    $ 1,212.40

    Rinnai RE180iN Indoor Non Condensing Tankless Water Heater Enjoy endless hot water and exceptional efficiency with the Rinnai RE180iN natural gas t...

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    $ 1,212.40 - $ 1,212.40
    $ 1,212.40
    $ 1,212.40 - $ 1,212.40
    $ 1,212.40

  • Rinnai - RE160iN - RE Model Series High Efficiency Non Condensing (Replaces model V65)

    Rinnai
    $ 992.60 - $ 992.60
    $ 992.60
    $ 992.60 - $ 992.60
    $ 992.60

    Spec Sheet Install Manual Learn More RE160iN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing ta...

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    $ 992.60 - $ 992.60
    $ 992.60
    $ 992.60 - $ 992.60
    $ 992.60

  • Rinnai SENSEI RSC160iN RSC Series Super High Efficiency Plus - Natural Gas Water Heater

    Rinnai
    $ 1,369.62 - $ 1,369.62
    $ 1,369.62
    $ 1,369.62 - $ 1,369.62
    $ 1,369.62

    Rinnai SENSEI RSC160iN Super High Efficiency Natural Gas Water Heater Experience the ultimate in hot water performance with the Rinnai RSC160iN Sup...

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    $ 1,369.62 - $ 1,369.62
    $ 1,369.62
    $ 1,369.62 - $ 1,369.62
    $ 1,369.62
  • Rinnai EX38CN Natural Gas Direct Vent Wall Furnace

    Rinnai - EX38CTN - Natural Gas Direct Vent Wall Furnace

    Rinnai
    $ 2,494.80 - $ 2,494.80
    $ 2,494.80
    $ 2,494.80 - $ 2,494.80
    $ 2,494.80

    Install Manual Direct Vent Wall Furnaces THE COMFORT OF CONSISTENT WARMTH.THE CONFIDENCE OF SUPERIOR ENGINEERING. Consistent Warmth Innovative R...

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    $ 2,494.80 - $ 2,494.80
    $ 2,494.80
    $ 2,494.80 - $ 2,494.80
    $ 2,494.80
  • Rinnai EX22CN Natural Gas Direct Vent Wall Furnace
    Rinnai EX22CN Natural Gas Direct Vent Wall Furnace

    Rinnai EX22DTN EXDT Series Natural Gas Direct Vent Wall Furnace

    Rinnai
    $ 2,092.86 - $ 2,092.86
    $ 2,092.86
    $ 2,092.86 - $ 2,092.86
    $ 2,092.86

    Efficient Heating with the Rinnai EX22DTN Direct Vent Furnace Experience consistent, reliable warmth for your home with the Rinnai EX22DTN EX_DT Mo...

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    $ 2,092.86 - $ 2,092.86
    $ 2,092.86
    $ 2,092.86 - $ 2,092.86
    $ 2,092.86
  • Rinnai EX17CN Natural Gas Direct Vent Wall Furnace

    Rinnai - EX17DTN - EX_DT Model Series Natural Gas Direct Vent Wall Furnace

    Rinnai
    $ 1,891.89 - $ 1,891.89
    $ 1,891.89
    $ 1,891.89 - $ 1,891.89
    $ 1,891.89

    Install Manual Spec Sheet Consistent Warmth EX17DTN is a quick, flexible installed, ductless, natural gas, direct vent wall furnace from Rinnai;...

    View full details
    $ 1,891.89 - $ 1,891.89
    $ 1,891.89
    $ 1,891.89 - $ 1,891.89
    $ 1,891.89
  • Rinnai EX11CN Natural Gas Direct Vent Wall Furnace
    Rinnai EX11CN Natural Gas Direct Vent Wall Furnace

    Rinnai - EX11DTN - EX_DT Model Series Natural Gas Direct Vent Wall Furnace

    Rinnai
    $ 1,581.93 - $ 1,581.93
    $ 1,581.93
    $ 1,581.93 - $ 1,581.93
    $ 1,581.93

    Install Manual Spec Sheet Consistent Warmth EX11DTN is a quick, flexible installed, ductless, natural gas, direct vent wall furnace from Rinnai; t...

    View full details
    $ 1,581.93 - $ 1,581.93
    $ 1,581.93
    $ 1,581.93 - $ 1,581.93
    $ 1,581.93
  • Tankless Water Heater - Rinnai EX08CN Natural Gas Direct Vent Wall Furnace
    Tankless Water Heater - Rinnai EX08CN Natural Gas Direct Vent Wall Furnace

    Rinnai - EX08DTN - EX_DT Model Series Natural Gas Direct Vent Wall Furnace

    Rinnai
    $ 1,322.37 - $ 1,322.37
    $ 1,322.37
    $ 1,322.37 - $ 1,322.37
    $ 1,322.37

    Spec Sheet  Install Manual Consistent Warmth EX08DTN is a quick, flexible installed, ductless, natural gas, direct vent wall furnace from Rinn...

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    $ 1,322.37 - $ 1,322.37
    $ 1,322.37
    $ 1,322.37 - $ 1,322.37
    $ 1,322.37

Pro tips: Size from the coldest inlet temperature, verify gas line capacity and vent route before mounting, and neutralize condensate on condensing models. Add isolation valves for easy descaling, set recirc schedules, and register your unit for warranty. Not sure which Rinnai and kit you need? Tell us fuel type, location, and demand—we will build a dialed-in list.

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