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Rinnai Tankless Water Heater

Experience endless hot water on-demand with a Rinnai Tankless Water Heater. Say goodbye to traditional water heaters and enjoy a continuous supply of hot water whenever you need it. Rinnai Water Heater are energy-efficient, space-saving, and provide reliable performance. Never worry about running out of hot water again and enjoy the convenience and comfort of a Rinnai Tankless in your home.

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Rinnai Water Heater

Discover the unparalleled comfort and efficiency of Rinnai water heaters. Engineered with cutting-edge technology and a commitment to innovation, Rinnai water heaters provide a reliable and consistent supply of hot water whenever you need it. Whether it's for your home or commercial space, Rinnai offers a wide range of tankless and hybrid tank-tankless water heaters to suit your specific needs and preferences. Enjoy the benefits of endless hot water, energy savings, and compact designs that fit seamlessly into any environment. With Rinnai's dedication to quality craftsmanship and eco-friendly solutions, you can trust that your water heating needs are in the hands of a brand known for excellence. Upgrade to a Rinnai water heater and experience the perfect balance of performance, reliability, and comfort for years to come.

Rinnai Gas Heater

The Rinnai SE+ Series with Smart-Circ™ 9 GPM Outdoor Condensing Tankless Water Heater is a high-capacity, natural gas-powered tankless water heater designed for outdoor installation. It can deliver up to 9 gallons of hot water per minute, making it well-suited for large households or use in commercial settings where high demand for hot water is expected.

Shop Top-Selling Tankless Water Heater Brands

Our tankless hot water heater collection includes Eccotemp, PrecisionTemp, and the #1 selling tankless water heater manufacturer in North America - Rinnai. Our top-selling tankless water heater is the Rinnai SE+ Series 11 GPM Indoor Condensing Tankless Water Heater, NG - it's a must buy If you want an energy-efficient, high-performance tankless water heater for your home or business, we highly recommend the SE+ Series 11 GPM Indoor. 

Stay Comfortable on the Go with Our Tankless Hot Water Heaters for RVs and Off-Grid Living

If you're a traveler with an RV looking to have warm showers on the go, we recommend the RV-550 EC with Black Door Natural Gas Tankless Water Heater. It is lightweight and sleek, allowing you to install it perfectly in your RV. You'll enjoy warm showers on the go whenever you want using natural gas, a digital display, and several safety protections. Check out this list if you want more options for tankless water heaters for off-grid living. 

  • Rinnai SE+ Series with Smart-Circ™ 9 GPM Outdoor Condensing
    Rinnai SE+ Series with Smart-Circ™ 9 GPM Outdoor Condensing

    Rinnai SE+ Series with Smart-Circ™ 9 GPM Outdoor Condensing Tankless Water Heater with Recirculation, NG

    87 reviews
    Rinnai
    $1,878.75 - $1,878.75
    $1,878.75
    $1,878.75 - $1,878.75
    $1,878.75

    The Rinnai SE+ Series with Smart-Circ™ 9 GPM Outdoor Condensing Tankless Water Heater is a high-capacity, natural gas-powered tankless wa...

    View full details
    $1,878.75 - $1,878.75
    $1,878.75
    $1,878.75 - $1,878.75
    $1,878.75
  • Rinnai HE+ Series 9.8 GPM Indoor Non-Condensing Tankless
    Rinnai HE+ Series 9.8 GPM Indoor Non-Condensing Tankless

    Rinnai HE+ Series 9.8 GPM Indoor Non-Condensing Tankless Water Heater, LP

    87 reviews
    Rinnai
    $1,425.61 - $1,525.61
    $1,425.61 - $1,525.61
    $1,425.61 - $1,525.61
    $1,425.61

    The Rinnai HE+ Series 9.8 GPM Indoor Non-Condensing Tankless Water Heater is a powerful and efficient appliance designed to provide an endless hot ...

    View full details
    $1,425.61 - $1,525.61
    $1,425.61 - $1,525.61
    $1,425.61 - $1,525.61
    $1,425.61
  • Rinnai RE Series 5.3 GPM Indoor NCTWH - LP - Water Heater
    Rinnai RE Series 5.3 GPM Indoor NCTWH - LP - Water Heater
    Save up to $636.75 Save $0.00

    Rinnai RE Series 5.3 GPM Indoor NCTWH - LP

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $863.25 - $963.25
    $863.25 - $963.25
    $863.25

    The Rinnai RE Series 5.3 GPM Indoor NCTWH - LP is a high-efficiency, propane-powered tankless water heater. It is designed for use in residential a...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $863.25 - $963.25
    $863.25 - $963.25
    $863.25
    Save up to $636.75 Save $0.00
  • Rinnai RE Series 5.3 GPM Indoor NCTWH - NG - Water Heater
    Rinnai RE Series 5.3 GPM Indoor NCTWH - NG - Water Heater
    Save up to $636.75 Save $0.00

    Rinnai RE Series 5.3 GPM Indoor NCTWH - NG

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $863.25 - $963.25
    $863.25 - $963.25
    $863.25

    The Rinnai RE Series 5.3 GPM Indoor NCTWH - NG is a high-efficiency, natural gas-powered tankless water heater. It is designed for use in residenti...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $863.25 - $963.25
    $863.25 - $963.25
    $863.25
    Save up to $636.75 Save $0.00
  • Rinnai RE Series 5.3 GPM Outdoor NCTWH - LP - Water Heater
    Rinnai RE Series 5.3 GPM Outdoor NCTWH - LP - Water Heater
    Save up to $636.75 Save $0.00

    Rinnai RE Series 5.3 GPM Outdoor NCTWH - LP

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $863.25 - $963.25
    $863.25 - $963.25
    $863.25

    The Rinnai RE Series 5.3 GPM Outdoor NCTWH - LP is a high-efficiency, propane-powered tankless water heater. It is designed for outdoor installatio...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $863.25 - $963.25
    $863.25 - $963.25
    $863.25
    Save up to $636.75 Save $0.00
  • Rinnai RE Series 5.3 GPM Outdoor NCTWH – NG - Heater
    Rinnai RE Series 5.3 GPM Outdoor NCTWH – NG - Heater
    Save up to $636.75 Save $0.00

    Rinnai RE Series 5.3 GPM Outdoor NCTWH – NG

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $863.25 - $963.25
    $863.25 - $963.25
    $863.25

    The Rinnai RE Series 5.3 GPM Outdoor NCTWH – NG is a high-performance, natural gas-powered tankless water heater. It is designed for outdoor instal...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $863.25 - $963.25
    $863.25 - $963.25
    $863.25
    Save up to $636.75 Save $0.00
  • Rinnai RE Series 6.6 GPM Indoor NCTWH - LP - Water Heater
    Rinnai RE Series 6.6 GPM Indoor NCTWH - LP - Water Heater
    Save up to $530.25 Save $0.00

    Rinnai RE Series 6.6 GPM Indoor NCTWH - LP

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $969.75 - $1,069.75
    $969.75 - $1,069.75
    $969.75

    The Rinnai RE Series 6.6 GPM Indoor NCTWH - LP is a high-capacity, propane-powered tankless water heater designed for indoor installation. It can d...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $969.75 - $1,069.75
    $969.75 - $1,069.75
    $969.75
    Save up to $530.25 Save $0.00
  • Rinnai RE Series 6.6 GPM Indoor NCTWH - NG - Water Heater
    Rinnai RE Series 6.6 GPM Indoor NCTWH - NG - Water Heater
    Save up to $530.25 Save $0.00

    Rinnai RE Series 6.6 GPM Indoor NCTWH - NG

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $969.75 - $1,169.75
    $969.75 - $1,169.75
    $969.75

    The Rinnai RE Series 6.6 GPM Indoor NCTWH - NG is a high-performance, natural gas-fired tankless water heater. It is designed to provide an endless...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $969.75 - $1,169.75
    $969.75 - $1,169.75
    $969.75
    Save up to $530.25 Save $0.00
  • Rinnai RE Series 6.6 GPM Outdoor NCTWH - LP - Replaces V65EP
    Rinnai RE Series 6.6 GPM Outdoor NCTWH - LP - Replaces V65EP
    Save up to $530.25 Save $0.00

    Rinnai RE Series 6.6 GPM Outdoor NCTWH - LP - Replaces V65EP

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $969.75 - $1,069.75
    $969.75 - $1,069.75
    $969.75

    The Rinnai RE Series 6.6 GPM Outdoor NCTWH - LP is a high-capacity, propane-powered tankless water heater designed for outdoor installation. It is ...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $969.75 - $1,069.75
    $969.75 - $1,069.75
    $969.75
    Save up to $530.25 Save $0.00
  • Rinnai RE Series 6.6 GPM Outdoor NCTWH – NG - Water Heater
    Rinnai RE Series 6.6 GPM Outdoor NCTWH – NG - Water Heater
    Save up to $530.25 Save $0.00

    Rinnai RE Series 6.6 GPM Outdoor NCTWH – NG

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $969.75 - $1,069.75
    $969.75 - $1,069.75
    $969.75

    The Rinnai RE Series 6.6 GPM Outdoor NCTWH - NG is a high-performance, natural gas-fired tankless water heater designed for outdoor installation. I...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $969.75 - $1,069.75
    $969.75 - $1,069.75
    $969.75
    Save up to $530.25 Save $0.00
  • Rinnai RE Series 8.5 GPM Indoor NCTWH - LP - Water Heater
    Rinnai RE Series 8.5 GPM Indoor NCTWH - LP - Water Heater

    Rinnai RE Series 8.5 GPM Indoor NCTWH - LP

    87 reviews
    Rinnai
    $1,500.00 - $1,500.00
    $1,500.00
    $1,853.00 - $1,953.00
    $1,853.00 - $1,953.00
    $1,853.00

    The Rinnai RE Series 8.5 GPM Indoor NCTWH - LP is a high-capacity, propane-powered tankless water heater designed for indoor installation. It can d...

    View full details
    $1,500.00 - $1,500.00
    $1,500.00
    $1,853.00 - $1,953.00
    $1,853.00 - $1,953.00
    $1,853.00
  • Rinnai RE Series 8.5 GPM Indoor NCTWH - NG - Replaces V75IN
    Rinnai RE Series 8.5 GPM Indoor NCTWH - NG - Replaces V75IN
    Save up to $315.75 Save $0.00

    Rinnai RE Series 8.5 GPM Indoor NCTWH - NG - Replaces V75IN

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $1,184.25 - $1,284.24
    $1,184.25 - $1,284.24
    $1,184.25

    The Rinnai RE Series 8.5 GPM Indoor NCTWH - NG is a high-capacity, natural gas-powered tankless water heater designed for indoor installation. It c...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $1,184.25 - $1,284.24
    $1,184.25 - $1,284.24
    $1,184.25
    Save up to $315.75 Save $0.00
  • Rinnai RE Series 8.5 GPM Outdoor NCTWH - LP - Water Heater
    Rinnai RE Series 8.5 GPM Outdoor NCTWH - LP - Water Heater
    Save up to $315.75 Save $0.00

    Rinnai RE Series 8.5 GPM Outdoor NCTWH - LP

    87 reviews
    Rinnai
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $1,184.25 - $1,284.25
    $1,184.25 - $1,284.25
    $1,184.25

    The Rinnai RE Series 8.5 GPM Outdoor NCTWH - LP is a high-capacity, propane-powered tankless water heater designed for outdoor installation. It can...

    View full details
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
    $1,184.25 - $1,284.25
    $1,184.25 - $1,284.25
    $1,184.25
    Save up to $315.75 Save $0.00
  • Rinnai RE Series 8.5 GPM Outdoor NCTWH - NG - Water Heater
    Rinnai RE Series 8.5 GPM Outdoor NCTWH - NG - Water Heater

    Rinnai RE Series 8.5 GPM Outdoor NCTWH - NG

    87 reviews
    Rinnai
    $1,500.00 - $1,500.00
    $1,500.00
    $1,579.00 - $1,679.00
    $1,579.00 - $1,679.00
    $1,579.00

    The Rinnai RE Series 8.5 GPM Outdoor NCTWH - NG is a high-capacity, natural gas-powered tankless water heater designed for outdoor installation. It...

    View full details
    $1,500.00 - $1,500.00
    $1,500.00
    $1,579.00 - $1,679.00
    $1,579.00 - $1,679.00
    $1,579.00
  • Rinnai RE Series 9.8 GPM Indoor NCTWH - LP - Water Heater
    Rinnai RE Series 9.8 GPM Indoor NCTWH - LP - Water Heater

    Rinnai RE Series 9.8 GPM Indoor NCTWH - LP

    87 reviews
    Rinnai
    $1,500.00 - $1,500.00
    $1,500.00
    $1,853.00 - $1,953.00
    $1,853.00 - $1,953.00
    $1,853.00

    Features: Clean Internal Layout LED Screen Safety Handle and Seating Bracket Easy Open / Close Access Programmable Service Reminders Compact Coppe...

    View full details
    $1,500.00 - $1,500.00
    $1,500.00
    $1,853.00 - $1,953.00
    $1,853.00 - $1,953.00
    $1,853.00
  • Rinnai RE Series 9.8 GPM Indoor NCTWH - NG - Replaces V94IN
    Rinnai RE Series 9.8 GPM Indoor NCTWH - NG - Replaces V94IN

    Rinnai RE Series 9.8 GPM Indoor NCTWH - NG - Replaces V94IN

    87 reviews
    Rinnai
    $1,500.00 - $1,500.00
    $1,500.00
    $1,853.00 - $1,953.00
    $1,853.00 - $1,953.00
    $1,853.00

    Features: Clean Internal Layout LED Screen Safety Handle and Seating Bracket Easy Open / Close Access Programmable Service Reminders Compact Coppe...

    View full details
    $1,500.00 - $1,500.00
    $1,500.00
    $1,853.00 - $1,953.00
    $1,853.00 - $1,953.00
    $1,853.00
  • Rinnai RE Series 9.8 GPM Outdoor NCTWH - LP - Water Heater
    Rinnai RE Series 9.8 GPM Outdoor NCTWH - LP - Water Heater

    Rinnai RE Series 9.8 GPM Outdoor NCTWH - LP

    87 reviews
    Rinnai
    $1,389.75 - $1,489.75
    $1,389.75 - $1,489.75
    $1,389.75 - $1,489.75
    $1,389.75

    The Rinnai RE Series 9.8 GPM Outdoor NCTWH - LP is a high-performance, outdoor tankless water heater designed to provide an endless hot water suppl...

    View full details
    $1,389.75 - $1,489.75
    $1,389.75 - $1,489.75
    $1,389.75 - $1,489.75
    $1,389.75
  • Rinnai RE Series 9.8 GPM Outdoor NCTWH - NG - Replaces V94EN
    Rinnai RE Series 9.8 GPM Outdoor NCTWH - NG - Replaces V94EN

    Rinnai RE Series 9.8 GPM Outdoor NCTWH - NG - Replaces V94EN

    87 reviews
    Rinnai
    $1,500.00 - $1,500.00
    $1,500.00
    $1,853.00 - $1,953.00
    $1,853.00 - $1,953.00
    $1,853.00

    Features: Clean Internal Layout LED Screen Safety Handle and Seating Bracket Easy Open / Close Access Programmable Service Reminders Compact Coppe...

    View full details
    $1,500.00 - $1,500.00
    $1,500.00
    $1,853.00 - $1,953.00
    $1,853.00 - $1,953.00
    $1,853.00
  • Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH with
    Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH with

    Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH with Recirculation and Pump, LP

    87 reviews
    Rinnai
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00

    The Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that provi...

    View full details
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00
  • Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH with
    Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH with

    Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH with Recirculation and Pump, NG

    87 reviews
    Rinnai
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00

    The Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that provi...

    View full details
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00
  • Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH with
    Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH with

    Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH with Recirculation and Pump, LP

    87 reviews
    Rinnai
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00

    The Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that prov...

    View full details
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00
  • Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH with
    Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH with

    Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH with Recirculation and Pump, NG

    87 reviews
    Rinnai
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00

    The Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that prov...

    View full details
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00 - $1,725.00
    $1,625.00
  • Rinnai RE Series with Smart-Circ™ 7.9 GPM Indoor NCTWH with
    Rinnai RE Series with Smart-Circ™ 7.9 GPM Indoor NCTWH with

    Rinnai RE Series with Smart-Circ™ 7.9 GPM Indoor NCTWH with Recirculation and Pump, LP

    87 reviews
    Rinnai
    $2,215.00 - $2,315.00
    $2,215.00 - $2,315.00
    $2,215.00 - $2,315.00
    $2,215.00

    The Rinnai RE Series with Smart-Circ™ 7.9 GPM Indoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that provi...

    View full details
    $2,215.00 - $2,315.00
    $2,215.00 - $2,315.00
    $2,215.00 - $2,315.00
    $2,215.00
  • Rinnai RE Series with Smart-Circ™ 7.9 GPM Indoor NCTWH with
    Rinnai RE Series with Smart-Circ™ 7.9 GPM Indoor NCTWH with

    Rinnai RE Series with Smart-Circ™ 7.9 GPM Indoor NCTWH with Recirculation and Pump, NG

    87 reviews
    Rinnai
    $2,215.00 - $2,315.00
    $2,215.00 - $2,315.00
    $2,215.00 - $2,315.00
    $2,215.00

    The Rinnai RE Series with Smart-Circ™ 7.9 GPM Indoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that provi...

    View full details
    $2,215.00 - $2,315.00
    $2,215.00 - $2,315.00
    $2,215.00 - $2,315.00
    $2,215.00
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