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You never know what the day will bring. That’s why so many people are choosing RHEEM TANKLESS water heaters. You can load the laundry, start the dishes, bathe the kids and even relax in a hot bubble bath of your own - all without ever running out of hot water. And with an efficiency rating of up to 94%, you’ll save on energy costs too. So you’re always covered, no matter what the day has in store.

RHEEM Prestige™ Series TANKLESS Water Heaters build on the benefits of standard tankless water heaters making them our most efficient line of whole home tankless water heaters. They provide the convenience of continuous hot water with the added benefits of a high efficiency unit.

Homeowner
Benefits

Tankless water heaters are a great fit for many homes. And, many utility companies offer rebates for switching from electric water heating to gas water heating – check for opportunities in your area to make continuous hot water even more affordable.

If you have a busy family at home a Rheem Tankless water heater makes loading the laundry, starting the dishes, bathing the kids and even relaxing in a hot bubble bath of your own - all without ever running out of hot water – a reality.

If you have or plan to install a luxury bathroom or garden tub, a Rheem tankless water heater will give you the hot water you need to bring your dream bathroom to life.

If you own a vacation or second home, a Rheem tankless water heater can provide significant savings by not paying to heat and reheat water as you would with a traditional water heater when you are away from the home.

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    Continuous Hot Water

    Tankless water heaters heat water when it is needed so you’re comfortable even if you happen to get the last shower of the day. Shower after shower, dish after dish, the hot water just keeps coming!
    Energy Cost Savings

    Tankless water heating saves an average 25-30%* on energy costs over traditional water heating methods because water is heated only when it is needed compared to being heated and reheated all day long. Our Prestige™ Series of tankless water heaters combine the energy saving benefits of tankless water heating with condensing technology which results in more cost savings for you.

    * Savings amount based on estimated DOE Annual Operating Cost of a tankless gas water heater compared to a traditional gas water heater.
    More Space

    Tankless water heaters are less than half the height of traditional water heaters and are mounted on the wall which can leave more space for storage. And, depending on your local climate, an outdoor model may be right for you saving even more space by completely removing water heating equipment from inside the home.
    Reduced Installation Costs

    For units installed indoors, condensing technology allows PVC to be used for exhaust ventilation in place of costly stainless steel venting used with other water heaters. For units installed outdoors, you completely remove the cost of exhaust ventilation.
    Water Saving Features

    Rheem tankless water heaters offer a low activation rate which means the water heater is activated without turning the water on high and they are compatible with low flow fixtures. They are also the only tankless water heaters programed to minimize water wasted due to the cold-water sandwich phenomenon.
 

Product Specifications

Here is basic product information about Rheem Prestige Series Tankless Water Heaters that you might find helpful. We recommend contacting your local contractor to ensure you're getting the perfect product for your home.


Rheem Prestige Series Tankless Product Certifications
AHRI
Eco Friendly
Energy Miser (Globe)
AIA
NSF
Energy Star
LEED Points = 2
US CSA (Star)
Canada CSA
 
Rheem Prestige™ RTGH is a series of high efficiency condensing tankless gas water heaters designed for continuous hot water
Features:

Efficiency
  • 94% energy efficient with stainless steel condensing heat exchanger
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Third party efficiency listed by AHRI
  • Qualifies for federal tax credit (Tax Credit Form 2012)
Performance
  • Industry First! 0.26 GPM minimum flow rate, 0.40 GPM minimum activation flow rate
  • RTGH-95 for 3 bathroom homes*– 9.5 gal./min. at 35°F rise max., 8.4 gal./min. at 45°F rise SCAQMD rule 1146.2 compliant
  • RTGH-84 for 2-3 bathroom homes*– 8.4 gal./min. at 35°F rise max., 6.6 gal./min. at 45°F rise SCAQMD rule 1146.2 compliant
Compact Size
  • Compact space saving design – about the size of a medicine cabinet
Self-Diagnostic System
  • Self-diagnostic system for easy installation and service
  • Digital display shows temperature setting and maintenance codes
Technology
  • Two-pipe direct vent system designed for PVC pipe, see instructions for details
  • Hot start programming helps minimize fluctuation in water temperature, referred to as “cold water sandwich,” during periods of frequent on/off operation
  • Built-in electric blower
  • Exclusive! Guardian overheat film wrap (OFW)
  • EZ-Link cable available for higher demand applications to connect two tankless units to operate as one
  • Manifold up to six units with an optional MIC-6 manifold control board
  •  Manifold up to 20 units with the optional MIC-185 plus the MICS-180 manifold control assembly
High Altitude Compliant
  • High-altitude capability – up to 9,840 ft. elevation above sea level
Plus…
  • Up to 38 ft. of 3” PVC Pipe or 5 ft. of 2” PVC Pipe, see instructions for details
  • Digital remote control and 10 ft. of thermostat wire included
  • Supplied with a 120 volt power cord (indoor models only)
  • Freeze protection to -30°F
  • EZ- Spec™ Sizing Software – advanced online tool that takes the guess work out of sizing tankless applications
 

Document
Downloads

Want to learn more? Download the documents provided and talk with your Contractor to determine which product solution is right for your home.

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Savings Calculator

Use our Savings Calculator to find out how much money you could save with an energy efficient solution from Rheem compared to a standard product. Seeing real savings on your energy bills is reason enough to switch today!

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Product Warranties

Our products are designed to provide superior home comfort over a long, reliable life. Because of this, we are able to offer competitive warranties you can depend on.

 

United States & Canada

  • Parts Warranty: 5 Years
  • Labor Warranty: 1 Year
  • Heat Exchange Warranty: 12 Years
 

Customer Support

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