Maximize Hot Water
Load the laundry, start the dishes and still have enough hot water to enjoy a relaxing hot bath
Tankless Gas Solutions You Can Rely On
The Ruud® water heater line has expanded, now offering an updated tankless portfolio with 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 can rely on.
Enjoy NO-WAIT Hot Water
Choose a Ruud® Super High Efficiency Tankless Water Heater with Built-in Recirculation Pump or add a recirculation pump kit for no-wait continuous hot water at the faucet
Choose a Ruud® Super High Efficiency 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
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
Tankless water heaters only produce hot water when you need it, so they save energy and money all the time
Choose Category
Ruud® Super High Efficiency S- and SR-Series
Get the Tankless Advantage
The new Ruud® Super High Efficiency 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 unmatched 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
Upgrade from Tank to Tankless Easily
Ruud® S- and SR-Series provides maximum install flexibility by allowing room air intake, longer vent runs, flex venting options 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 Ruud® S- and SR-Series 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 environment9
Enjoy High Efficiency at High Altitudes
Smart engineering enables Ruud® S- and SR-Series 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
Ruud® SR-Series Tankless
Ruud® SR-Series Tankless
How It Works
Spec Sheet
Savings and hot water that never run cold
Enjoy hot water all day long with Ruud® Condensing Tankless Water Heaters. Super high efficiency, a constant flow of hot water and an easy install mean there’s never been a better time to go tankless—or to start saving.
Save Money
Ruud High Efficiency Tankless Gas Water Heaters save up to $1,100 over 12 years10, and some qualify for rebates
Save Space
Compact sizes and outdoor models increase valuable usable space in your home
Save on Installation
1/2″ gas line compatibility and low-cost PVC venting save installation time and money4
Save Water
An exclusive water savings setting conserves water by reducing the amount of water flow at the tap until the set temperature is reached—limiting wasted water while waiting for hot water11
Stay Safe
Exclusive Overheat Film Wrap shuts down the unit if the heat exchanger overheats to prevent damage to the unit7
Enjoy High Efficiency at High Altitudes
Ruud Condensing Tankless Gas Water Heaters work in locations up to 8,400 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
The New Easier-to-Install High-Efficiency Tankless Water Heater
Save space and water
Get continuous hot water you can rely on. The Ruud® Non-Condensing Tankless Water Heaters offer the comfort of endless long baths with the convenience of a space-saving design and the peace-of-mind that comes with energy savings and a trusted warranty.
Save Money
Ruud High Efficiency Tankless Gas Water Heaters save up to $1,100 over 12 years10, and some qualify for rebates
Save Space
Compact sizes and outdoor models increase valuable usable space in your home
Save on Installation
1/2″ gas line compatible up to 24 ft.4 saves money and time on installation to an existing system
Save Water
An exclusive water savings setting conserves water by reducing the amount of water flow at the tap until the set temperature is reached—limit wasted water while waiting for hot water11
Stay Safe
Exclusive Overheat Film Wrap shuts down the unit if the heat exchanger overheats to prevent damage to the unit7
Set Maintenance Notifications
Alerts homeowners after 500 hours of use (about 1–10 years) to call for service, extending the life of the water heater (optional)
Service Easily
Access all parts of the heater with just a Phillips-head screwdriver
Did You Know?
A Ruud SR-Series 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 WiFi in some tankless models and upgrade modules available for others, homeowners can adjust temperatures, check usage, receive alerts and more. It’s all possible with the with Ruud 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 or hands-free voice control with Amazon Alexa
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.
ADD UP YOUR SAVINGS
Find out how much you can save on energy costs when you purchase your Ruud Tankless Water Heater.
Calculate Savings
Go Tankless
Ready to enjoy continuous hot water with a Ruud Tankless Water Heater?
