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  • IKONIC

    • The Tankless Revolution Starts Today

    As the trusted leader in water heaters, Rheem® has revolutionized its tankless gas portfolio to offer a complete range of tankless solutions. You’ll enjoy the comfort and convenience of continuous hot water while saving energy and money from the brand you trust.

    These products meet a stringent set of our internally defined sustainability standards.
    Ikonic
    Maximize Hot Water
    Load the laundry, start the dishes and still have enough hot water to enjoy a relaxing hot bath
    Enjoy NO-WAIT Hot Water
    Choose a Rheem® IKONIC™ Tankless Water Heater with Built-In Recirculation Pump or add a recirculation pump kit for no-wait continuous hot water at the faucet
    Minimize Cold Water Bursts
    Exclusive Hot Start Programming™ eliminates cold water bursts for continuous hot water even in start and stop situations1
    Save Energy
    Tankless water heaters only produce hot water when you need it, so they save energy and money all the time
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    The New Standard in Tankless

    The new Rheem® IKONIC™ S- and SR-Series Condensing Tankless Water Heaters make it easy to decide to go tankless. In addition to providing continuous hot water, energy savings and the industry’s most comprehensive warranty, they offer a recirculation model for the ultimate convenience—and water savings—of no-wait hot water. Plus, exclusive built-in features and rebate eligibility help keep upfront costs down.

    Save Water & Money

    Save up to 12,000 gallons of water from being wasted down the drain annually with the built-in recirculation pump2(SR-Series models only)—that’s over $1,000 in water costs over 15 years

    Save Space

    Install in more locations with the industry-best 1/2″ side-to-side clearance for tight spaces3

    Tank to Tankless Upgrades Made Easy

    Rheem® IKONIC™ provides maximum install flexibility by allowing room air intake, longer vent runs, flex venting and 1/2″ gas line compatibility4 for a better tank replacement option

    Save Money & Energy

    The ENERGY STAR®-certified and best-in-class energy efficiency5 of Rheem® IKONIC™ helps you save up to 36% per year in energy costs6

    Stay Safe

    Exclusive Overheat Film Wrap shuts down the unit if the heat exchanger overheats to prevent damage to the unit7

    Smart Control with Built-in Wi-Fi Technology and EcoNet®

    Enjoy complete control of your water heater—from adjusting water temperature and tracking energy usage to setting recirculation modes—all from a smart phone8(SR-Series models only)

    Make a Difference with Earth-friendly Efficiency

    Shower, do the dishes and wash the laundry—all while improving air quality by reducing greenhouse gas NOx emissions by up to 65% for a cleaner environment.9

    Enjoy High Efficiency at High Altitudes

    Advanced design enables Rheem® IKONIC™ to work in locations up to 10,200 feet above sea level

    Minimize Cold Water Bursts

    Exclusive Hot Start Programming™ keeps the water heater in a ready state (burner does not completely shut off) for five minutes between back-to-back usage to minimize cold-water bursts1

    Rheem® IKONIC™ Super High Efficiency Condensing Tankless Water Heater with Recirculation

    Rheem® IKONIC™ How It Works


    Designed for the Next Generation

    Enjoy the same continuous flow of hot water as well as high performance in a new modern design with Rheem® RTGH Series Super High Efficiency Condensing Tankless Water Heaters. Energy savings, continuous hot water and the industry’s most comprehensive 15-year warranty10 mean there’s never been a better time to go tankless.

    Save Money

    Save annually on energy costs over a standard 50-gallon gas residential tank water heater11

    Save Space

    Increase valuable usable space in your home with a single unit that’s up to 20% smaller and lighter12, and can be installed in more places with an available outdoor conversion kit

    Save Water

    Our exclusive water saving setting conserves water by reducing the amount of water flow at the tap until the set temperature is reached—no more wasted water while waiting for it to heat up13

    Leak Detection and Prevention

    Leakguard™ Leak Detection and Prevention system with auto shut-off detects leaks and shuts off the flow of water (Indoor Wi-Fi models only)

    Earth-Friendly Efficiency

    The RTGH Series uses up to 34% less energy14 and improves air quality by reducing greenhouse gas NOx emissions by up to 65% for a cleaner environment15

    Sustainability Standout®

    Wi-Fi models qualify as Sustainability Standouts, which means they meet a stringent set of our company’s internally defined sustainability standards

    Stay Safe

    Exclusive Overheat Film Wrap shuts down the unit if the heat exchanger overheats for added safety in your home7

    Smart Control with Built-in EcoNet® Wi-Fi Technology

    Enjoy complete control of your water heater—from adjusting water temperature to tracking energy usage—all from a smart phone8 (select models only)

    Temperature Control

    Best-in-class turn down ratio keeps outlet water temperature close to the set point

    Minimize Cold Water Bursts

    Exclusive Hot Start Programming™ keeps the water heater in a ready state (burner does not completely shut off) for five minutes between back-to-back usage to minimize cold-water bursts1

    Front View

    Back View

    Install Example

    Install Example

    Install Example
    (with Outdoor Conversion Kit)

    Install Example

    Install Example

    The New Easier-to-Install High-Efficiency Tankless Water Heater


    High Efficiency Meets High Design

    Get the same continuous flow of hot water as well as high performance in a new modern design with Rheem® RTG Series High Efficiency Non-Condensing Tankless Water Heaters. These water heaters offer the comfort of endless long baths with the convenience of a small footprint and the peace-of-mind that comes with energy savings and the industry’s most comprehensive 15-year warranty10.

    Save Money

    Save annually on energy costs over a standard 50-gallon gas residential tank water heater11

    Save Space

    Increase valuable usable space in your home with an enhanced design that’s up to 10% smaller and up to 22% lighter16, and can be installed in more places

    Universal Venting Options for Easy Retrofit

    Industry-leading 43′ vent run capability that’s compatible with Metal Fab, Rainbow and UBBINK standard concentric venting simplifies tankless-to-tankless retrofits

    Sustainability Standout®

    Wi-Fi models qualify as Sustainability Standouts, which means they meet a stringent set of our company’s internally defined sustainability standards

    Save Water

    Our exclusive water saving setting conserves water by reducing the amount of water flow at the tap until the set temperature is reached—no more wasted water while waiting for it to heat up13

    Leak Detection and Prevention

    Leakguard™ Leak Detection and Prevention system with auto shut-off detects leaks and shuts off the flow of water (indoor Wi-Fi models only)

    Earth-Friendly Efficiency

    The RTG Series uses up to 25% less energy17 and improves air quality by reducing greenhouse gas NOx emissions by up to 65% for a cleaner environment15

    Stay Safe

    Exclusive Overheat Film Wrap shuts down the unit if the heat exchanger overheats for added safety in your home7

    Smart Control with Built-in EcoNet® Wi-Fi Technology

    Enjoy complete control of your water heater—from adjusting water temperature to tracking energy usage—all from a smart phone8 (select models only)

    Front View

    Interior View

    Right Side View

    Left Side View

    Front View (Outdoor)

    Outdoor Model Install Example

    Install Example

    Install Example

    Install Example

    The New Easier-to-Install High-Efficiency Tankless Water Heater

    Did You Know?

    A Rheem IKONIC™ Tankless with Built-in Recirculation model could save the average home enough water for about 200 loads of laundry, 200 dishwasher cycles plus 365 showers.

    Enough Hot Water for
    All Your Daily Adventures

    Family in town, dog needs a bath, laundry day? With continuous hot water, you can do it all and still have all the hot water you need for a nice, relaxing soak in the tub.

    Knowledge is Power

    With integrated Wi-Fi in some tankless models and upgrade modules available for others, homeowners can adjust temperatures, check usage, receive alerts, program a schedule, update product settings and more. It’s all possible with Rheem EcoNet® Enabled tankless water heaters and the EcoNet® App.8

    EcoNet Home Screen

    Adjust water set temperature to balance hot water needs via the EcoNet App

    Energy Usage Tracking

    View weekly, monthly and yearly energy consumption reports

    Setting Away and Home

    Save energy on water heating costs while you’re away by pausing your recirculation schedules and resuming them when you return

    Recirculation Pump Function

    Remotely set and schedule the recirculation modes and your desired temperature

    Remotely Start Pump

    Easily check and adjust the water temperature and start or stop the recirculation pump as needed

    Simple Scheduling

    Schedule the recirculation pump to run, at the times you need it, directly from the app

    NOTE: Appearance of EcoNet screens may vary.

    Learn more about easy homeowner financing options
    View Financing Options

    At Rheem, we focus on innovating with intent, engineering solutions with lifetime sustainability in mind—from material selection to smart features to responsible recycling
    View Sustainability

    Go Tankless

    Ready to enjoy continuous hot water with a Rheem Tankless Water Heater?