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In Latin,”Maximus” means “the greatest,” and the Rheem® Maximus™ Super High Efficiency Gas Water Heater lives up to its name. It’s powerful enough to deliver continuous hot water, with unmatched efficiency in a residential gas water heater. So when you’re looking for a new water heater, choose the greatest.
Heats water up to 3X faster,* so you can shower, do the dishes and wash the laundry without worrying about running out
Super-high efficiency operation delivers money and energy savings and a reduced carbon footprint*
Exclusive technology provides performance updates and alerts via both mobile device and full-color LCD display
Plumber-friendly design makes installation simpler—and more affordable
Wallet-Friendly – Take advantage of available tax credits or local utility rebates*, and enjoy estimated energy cost savings of up to $900+* and a reduced carbon footprint*
This product meets a stringent set of our
internally defined sustainability standards
MaxMode™ – Gives the water heater the boost it needs with up to 15% more hot water to keep up, even if demand gets high—perfect for those weekends with house guests
Added Protection – Built-in 360° LeakSense™ water leak detection system detects any leak, large or small, internal or external; plus Maximus is FVIR compliant*
Hot Water Availability Indicator – Shower with confidence knowing there is enough hot water available
Leak Prevention – Available LeakGuard™ accessory stops water leaks before they become a problem, limiting leaks to 20 oz. or less
Venting Versatility – Installs as Power Vent or Power Direct Vent, so you only have to carry one product on your truck
Startup Verification – Be sure your customer is up and running before you leave the home
Easy Diagnostics – View diagnostic information and detect outgoing water temperature
Fast and Easy Service – Fully serviceable from the front
With integrated WiFi, homeowners can avoid cold showers, detect leaks and more. It’s all possible with Maximus Super High Efficiency Gas Water Heater and the EcoNet® App.3
At Rheem, we focus on innovating with intent, engineering solutions with lifetime sustainability in mind—from material selection to smart features to responsible recycling.
Get your Rheem Maximus Super High Efficiency Gas Water Heater Today