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HomeInnovation Tankless Ikonic
INNOVATION
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.
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
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 up to 12,000 gallons of water from being wasted down the drain annually with the built-in recirculation pump2

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

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

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

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

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)

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

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

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

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 warranty 10 mean there’s never been a better time to go tankless.

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

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

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

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

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

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

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

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

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

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

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 warranty 10 .

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

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

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

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

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

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

Easy installation with 5 connection points (1 on top, 2 on front, 2 on the back).

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

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

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

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