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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 RE199eP — 9.8 GPM Propane Outdoor 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 RE199eP — 9.8 GPM Propane Outdoor Non-Condensing Tankless Heater The Rinnai RE199eP is a high-capacity, non-condensing propane tankless wate...

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

  • Rinnai REP199eP High Efficiency Non Condensing Propane 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 REP199eP Outdoor Tankless Water Heater With Recirculation Pump For professional installers and homeowners seeking the perfect mix of value a...

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

  • Rinnai - REP160iP - 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 REP160iP is the perfect combination of high efficiency, comfort and value in a propane gas tankless water heat...

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

  • Rinnai REP160eP High Efficiency Non Condensing 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 REP160eP High Efficiency Water Heater With Recirculation Pump Get reliable, continuous hot water for your home right where you need it with ...

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

  • Rinnai RE140iP Propane Indoor High Efficiency Non Condensing Tankless Water Heater

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

    Rinnai RE140iP Indoor Tankless Water Heater The Rinnai RE140iP  High Efficiency Tankless Water Heater is the ideal indoor solution for homeowners s...

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

  • Rinnai RE140eP High Efficiency Non Condensing Outdoor Propane Tankless Water Heater

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

    Rinnai RE140eP Outdoor Propane Tankless Water Heater The Rinnai RE140eP Tankless Water Heater offers a compact, high-efficiency (0.81 UEF) solution...

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    $ 884.10 - $ 884.10
    $ 884.10
    $ 884.10 - $ 884.10
    $ 884.10
  • Rinnai EX38CP Propane Direct Vent Wall Furnace

    Rinnai - EX38DTWP - Propane Direct Vent Wall Furnace (White)

    Rinnai
    $ 2,769.20 - $ 2,769.20
    $ 2,769.20
    $ 2,769.20 - $ 2,769.20
    $ 2,769.20

    Rinnai EX38DTWP Direct Vent Wall Furnace – Propane (LP) The Rinnai EX38DTWP delivers strong, reliable heat with a compact wall-mounted design idea...

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    $ 2,769.20 - $ 2,769.20
    $ 2,769.20
    $ 2,769.20 - $ 2,769.20
    $ 2,769.20
  • Rinnai EX38CP Propane Direct Vent Wall Furnace

    Rinnai EX38DTP - Propane Direct Vent Wall Furnace

    Rinnai
    $ 2,769.20 - $ 2,769.20
    $ 2,769.20
    $ 2,769.20 - $ 2,769.20
    $ 2,769.20

    Rinnai EX38DTP Direct Vent Wall Furnace – Propane (LP), Beige The Rinnai EX38DTP delivers powerful, efficient propane heat in a quiet, compact wal...

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    $ 2,769.20 - $ 2,769.20
    $ 2,769.20
    $ 2,769.20 - $ 2,769.20
    $ 2,769.20

  • Rinnai EX22DTP Propane Direct Vent Wall Furnace

    Rinnai
    $ 2,325.40 - $ 2,325.40
    $ 2,325.40
    $ 2,325.40 - $ 2,325.40
    $ 2,325.40

    Rinnai EX22DTP Direct Vent Wall Furnace – Propane (LP), Beige The Rinnai EX22DTP brings efficient propane heating to mid-size rooms with a clean, ...

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    $ 2,325.40 - $ 2,325.40
    $ 2,325.40
    $ 2,325.40 - $ 2,325.40
    $ 2,325.40
  • Rinnai EX22CN Natural Gas Direct Vent Wall Furnace

    Rinnai EX22DTWP Propane Gas Direct Vent Wall Furnace (White)

    Rinnai
    $ 2,325.40 - $ 2,325.40
    $ 2,325.40
    $ 2,325.40 - $ 2,325.40
    $ 2,325.40

    Rinnai EX22DTWP Direct Vent Wall Furnace – Propane (LP) The Rinnai EX22DTWP delivers efficient, quiet, and comfortable propane heat in a compact w...

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    $ 2,325.40 - $ 2,325.40
    $ 2,325.40
    $ 2,325.40 - $ 2,325.40
    $ 2,325.40
  • 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
    $ 1,757.70 - $ 1,757.70
    $ 1,757.70
    $ 1,757.70 - $ 1,757.70
    $ 1,757.70

    Rinnai EX11DTP Direct Vent Wall Furnace – Propane (LP), Beige The Rinnai EX11DTP provides efficient propane heating in a compact, ultra-quiet pack...

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    $ 1,757.70 - $ 1,757.70
    $ 1,757.70
    $ 1,757.70 - $ 1,757.70
    $ 1,757.70

  • Rinnai REP199iP High Efficiency Non Condensing 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 REP199iP Non Condensing Tankless Water Heater The Rinnai REP199iP Non Condensing Tankless Water Heater delivers the perfect blend of high ef...

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

  • Rinnai - RE199iP - RE Model Series High Efficiency Non Condensing (Replaces model V94 and RL94)

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

    Spec Sheet Install Manual Learn More RE199iP is the perfect combination of high efficiency, comfort and value in a Propane gas non- condensing ta...

    View full details
    $ 1,423.10 - $ 1,423.10
    $ 1,423.10
    $ 1,423.10 - $ 1,423.10
    $ 1,423.10

  • Rinnai RE180iP High Efficiency Non Condensing Indoor Propane Tankless Water Heater

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

    Rinnai RE180iP Indoor Propane Tankless Water Heater The Rinnai RE180iP Tankless Water Heater is your high-efficiency, space-saving solution for end...

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

  • Rinnai - RE160iP - 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 RE160iP is the perfect combination of high efficiency, comfort and value in a Propane gas non- condensing ta...

    View full details
    $ 992.60 - $ 992.60
    $ 992.60
    $ 992.60 - $ 992.60
    $ 992.60
  • Rinnai EX17CP Propane Direct Vent Wall Furnace
    Rinnai - Rinnai EX17CP Propane Direct Vent Wall Furnace - - - Big Frog Supply - 1

    Rinnai - EX17DTP - Propane Direct Vent Wall Furnace

    Rinnai
    $ 2,102.10 - $ 2,102.10
    $ 2,102.10
    $ 2,102.10 - $ 2,102.10
    $ 2,102.10

    Rinnai EX17DTP Direct Vent Wall Furnace – Propane (LP), Beige The Rinnai EX17DTP provides efficient propane heating for medium-size rooms in a cle...

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    $ 2,102.10 - $ 2,102.10
    $ 2,102.10
    $ 2,102.10 - $ 2,102.10
    $ 2,102.10
  • Rinnai EX08CP Propane Direct Vent Wall Furnace
    Rinnai EX08CP Propane Direct Vent Wall Furnace

    Rinnai - EX08DTP - Propane Direct Vent Wall Furnace

    Rinnai
    $ 1,469.30 - $ 1,469.30
    $ 1,469.30
    $ 1,469.30 - $ 1,469.30
    $ 1,469.30

    Rinnai EX08DTP Direct Vent Wall Furnace – Propane (LP), Beige The Rinnai EX08DTP delivers efficient propane heating in a compact, whisper-quiet de...

    View full details
    $ 1,469.30 - $ 1,469.30
    $ 1,469.30
    $ 1,469.30 - $ 1,469.30
    $ 1,469.30

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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