Call 1-800-374-8806, or visit
Rheem.com/TESelect
or see your local distributor.
Help Your Customers Save up to
50% on Water Heating Costs
1
Today!
Learn more at Rheem.com/TESelect
or ask your local distributor.
PRINTED IN U.S.A. 03/25 WP FORM NO. TKE-401 Rev. 5
Rheem
®
Tankless Electric Point-of-Use
and Whole Home Water Heaters
Tankless Electric
Specifications
Model
Number
kW Amps Volts
Recom.
Breaker
Size
Req.
Wires
Height
(Inches)
Width
(Inches)
Depth
(Inches)
Weight
(Pounds)
Rheem
®
Professional
Classic
®
Point-of-Use
RTEX-04T 3.5 29 120 1x30A
10
AWG**
7 11 3 4
RTEX-06T 6.5 27 240
1x30A
DP*
10
AWG**
7 11 3 4
RTEX-04 3.5 29 120 1x30A
10
AWG**
7 11 3 4
RTEX-06 6.5 25 240
1x30A
DP*
10
AWG**
7 11 3 4
RTEX-08 8 33 240
1x40A
DP*
8
AWG**
11.4 7.9 3.7 4.75
RTEX-11 11 46 240
1x50A
DP*
6
AWG**
11.4 7.9 3.7 6.5
RTEX-13 13 54 240
1x60A
DP*
6
AWG**
11.4 7.9 3.7 6.5
Rheem
®
Professional
Classic
®
Whole Home
RTEX-18 18 75 240
2x40A
DP*
2x8
AWG**
17 14 3.625 14.78
RTEX-24 24 100 240
3x40A
DP*
3x8
AWG**
17 17 3.625 17.8
RTEX-27 27 113 240
3x40A
DP*
3x8
AWG**
17 17 3.625 17.8
RTEX-36 36 150 240
4x40A
DP*
4x8
AWG**
17 21 3.625 22.7
In keeping with its policy of continuous progress and product improvement,
Rheem reserves the right to make changes without notice.
*DP = Double Pole
**AWG = American Wire Gauge
hot water
continuous
A Full
Portfolio of
Residential &
Commercial
Products
Performance
ON-DEMAND, CONTINUOUS HOT WATER—Instantly
provides ample hot water so there’s no wait, saving time and
water
ENERGY & COST SAVINGS—Heats water only when it is
needed for savings of up to 50% when used in a point-of-use
application, or 34% when used as a whole-home solution
1
EASY TO ADJUST—Electronic temperature control adjustable
in 1° increments from 80°-140°F with easy-to-read display
Peace-of-Mind
GREAT INVESTMENT & VALUE—Energy cost savings and
a 5-year heating chamber warranty with a 1-year parts,
limited warranty
2
EASY TO MAINTAIN—Durable, easy-to-replace heating elements
Installability
SPACE SAVINGS—Small, compact design fits perfectly
in tight places like under cabinets in bathrooms
EASY INSTALL ATION—Compatible with ½ and ¾-inch water
connectors for flex hose installation; no venting or T&P
valve required
ADD-ON SOLUTION—Perfect as an add-on to recommend for
large homes, homes with an undersized main system or homes
undergoing renovations where point-of-use heaters could
improve comfort and convenience while helping you improve
your sale
Tankless Electric Selling Points
Take advantage of great savings:
• Up to 50% on water heating costs with point-of-use applications
or 34% when used as a whole-home solution
1
• Energy cost savings and a 5-year heating chamber warranty with
a 1-year parts limited warranty
2
• Flexible financing options with KwikComfort
®
financing program
Average Flow Rates (GPM) by Fixture
Applications
RESIDENTIAL
• Bathroom sinks, showers
and tubs
• Kitchen sinks and dishwashers
• Detached buildings, cabins,
workshops and barns
RECREATIONAL
• Boat kitchens and bathrooms
• RV kitchens and bathrooms
COMMERCIAL
• Office building lunchrooms
and restrooms
• Food service sinks,
dishwashers and restrooms
• Hospital / laboratory
bathrooms and sinks
• Hotel kitchens and
bathrooms
Selecting the right Tankless Electric Water
Heater is as easy as 1, 2, 3.
Help customers enjoy instantaneous, continuous hot water while
saving on energy costs. Go to Rheem.com/TESelect for a solutions
guide to recommending the right model for their needs.
1 Consider customer location
2 Assess their hot water needs
3 Review inlet temperature and recommend
the best model for your customer
Rheem.com/TESelect
1
According to the Department of Energy’s “Advantages of Tankless or Demand-Type Water Heaters,” tankless water
heaters can provide energy savings of up to 50% on water heating costs when installed at each hot water outlet. When
used as a single tankless model to supply hot water to a residence with up to 2 bathrooms in some climates, it a can
provide up to 34% energy savings.
2
See the Warranty Guide on Rheem.com for addition information.
Flow rates may vary.
• Low Flow Faucet 0.5 GPM
• Bathroom Faucet 1 GPM
• Kitchen Faucet 1.5 GPM
• Shower 2 GPM
• Dishwasher 2 GPM
• Washing Machine 3 GPM
Only Three
Steps to Find
The Right Size
Model
