Latest Asked Questions

If you have 1 or 2 bathrooms in your house, you should consider buying tankless water heater. However bear in mind that not every model is suitable in your case.

Rheem RTG-64XN Tankless Outdoor Natural Gas Water Heater is the right option to choose.

Rheem RTG-64XN Specifications:

  • 3"/5" Concentric Vent System with Intergrated Condensate Collector
  • Connects to Metal Fab Inc., 3"/5" Concentric Venting without an adapter
  • UMC-117 remote control and 10 ft. of thermostat wire is included
  • Next Generation Burner Technology
  • .26 GPM Minimum Flow Rate, .40 GPM Minimum Activation Flow Rate
  • EZ-Link cable available for high demand applications to connect two tankless units to operate as one
  • Manifold up to 6 units with an optional MIC-6 manifold control board
  • All Rheem models can be linked in up to 20 unit manifold installations by using the optional MIC-180 and MICS-180 manifold control assembly
  • Guardian OFW™ overheat film wrap
  • High-altitude capability up to 9,840 ft. elevation above sea level (no chip required)
  • All Rheem tankless models are third-party efficiency certified by GAMA
  • Endless hot water
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Energy saving and compact
  • Self Diagnostic System
  • Freeze protection to -30° F
  • Digital display shows temperature setting and maintenance codes
  • Built-in electric blower
  • Supplied with a 120 V power cord
  • Environmentally friendly Low NOx burner

The model features:

ENERGY-EFFICIENT DESIGN

Energy-efficient design doubtlessly saves you a lot on energy bills. Storage style water heaters keep on boiling a huge amount of water regardless whether you need it or not. Re-heating water is pointless and too expensive. Rheem's tankless design is intended to prevent loss of money and energy.

PRECISE TEMPERATURE CONTROL

Quite often useful features say the last word, when it comes to choosing tankless hotwater heater for your house. Rheem RTG-64XN can boast of having precise temperature control that enables you to choose the right temperature easily. It is essential feature for the simple reason that it makes you control the water temperature, and consequently amount of energy used.

ENDLESS HOT WATER SUPPLY

There is no storage to run out of hot water. There is no need to bear in mind certain limits in the amount of hot water. Rheem RTG-64XN provides continuous flow of hot water and has no reservoir to limit this amount. Enjoy endless flow of hot water!

COMPACT SIZE

Tankless water heaters are 1/3 of conventional water heater in size. Does it make you doubt their efficiency? Cutting edge technologies work miracles, and small compact units work more efficient than huge older water heating systems. The more room you have the more options there are. You might think of installing water softener or some small storage in case of extra need of hot water.

EZ-LINK™ CABLE

EZ-Link cable is a very useful feature. It connects two tankless water heaters to operate as one, so you can have twice more hot water.

SELF-DIAGNOSTIC

Troubleshooting is a piece of cake for Rheem RTG-64XN. It has self-diagnostic system and displays a maintenance code when there is a necessity to fix something.

RHEEM QUALITY

Rheem RTG-64XN is an example of high quality and customer-oriented approach of the Rheem. A lot of people work for the Rheem to ensure top efficiency, reliability and flawless performance.


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Choose What You Want To Calculate



Water Heater Power
 kW
Water Flow (Per Minute)
 Gallons
See Table "Typical Flow Rates"
Incoming Water Temperature
 °F
Output Water Temperature
 °F

Fixture Type Gallons (Liters) Per Minute
Lavatory
0.5 (1.9)
Bathtub
2-4 (7.6-15.2)
Shower
1.5-3 (5.7-11.4)
Kitchen Sink
1-1.5 (3.8-5.7)
Pantry Sink
1.5-2.5 (5.7-9.5)
Laundry Sink
2.5-3 (9.5-11.4)
Dishwasher
1-3 (3.8-11.4)

Activity Gallons (Liters) Using
Clothes washing
32 (121)
Showering
20 (76)
Bathing
20 (76)
Automatic dishwashing
12 (45)
Preparing food
5 (19)
Hand dishwashing
4 (15)
Source : ACEEE

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