RHEEM TANKLESS ELECTRIC
Hot Water Faster!
Tankless Electric Water Heaters
from Rheem
RHEEM TANKLESS ELECTRIC
Features
• Compact design – fits almost anywhere
• Continuous hot water on demand
• Industry leading low-flow activation
RTE 3
RTE 7
RTE 9
RTE 13
RTE 18
RTE 27
• Power and external temperature controls
• LED’s indicate active element and standby mode
• 1/2-Inch water connections
• Rugged brass/copper heat exchanger
• Easy Installation
Applications
RESIDENTIAL
• Bathroom sinks
• Kitchen sinks and dishwashers
• Detached buildings, cabins, workshops and
barns
COMMERCIAL
• Office building lunchrooms and restrooms
Rheem Tankless Electric
Water Heaters are
available in six sizes to
supply hot water to one,
two or three fixtures in
many applications.
from Rheem
• Food service sinks, dishwashers, and
restrooms
• Hospital / laboratory bathrooms and sinks
• Hotel bathrooms and kitchens
RECREATIONAL
• Boat kitchens and bathrooms
• RV kitchens and bathrooms
Warranty
• 10 Year Limited Heat Exchanger
• 1 Year Limited Parts
See Residential Warranty Certificate for complete information.
How To choose the right Rheem Tankless Electric water heater for
your customer
1
Choose your application, ie. shower, bath tub
or vanity sink-faucet, kitchen sink faucet or
washing machine. See application chart and
locate the flow rate.
2
On the map, locate the average
water temperature in your area.
AVERAGE
GROUND WATER
TEMPERATURE IN U.S.
35°- 40° F
45°- 50° F
55°- 60° F
65°- 70°+ F
For Hawaii and Puerto Rico, use
ground water temperature of 75 degrees.
Note: Water temperatures will vary by season and year to year.
Please select the coldest water temperature expected for your specific location.
AppLICATION FLOw RATE IN GpM AT 60 pSI
Typical Shower 2.0 GPM
Typical Bath Tub Faucet 2.5 GPM
Bathroom Vanity Sink Faucet 1.0 GPM
Kitchen Sink Faucet 1.5 GPM
Washing Machine 2.0 GPM
Use the water temperature and flow rate
3
chart to determine the model you need.
Check dimensions and electrical requirements. See charts below.
4
DIMENSIONS (INChES/pOuNDS)
MODEL NuMbER hEIGhT wIDTh DEpTh wEIGhT
RTE 3 10-1/4 5-3/8 3-1/4 6
RTE 7 10-1/4 5-3/8 3-1/4 6
RTE 9 10 7-1/4 3-1/4 8
RTE 13 10 7-1/4 3-1/4 8
RTE 18 10-1/2 11-1/4 3-1/4 12
RTE 27 10-1/2 11-1/4 3-1/4 12
• Plumbing connections: 1/2 NPT • Minimum ow rate: 1/2 gal. min
wATER TEMpERATuRE AND FLOw RATE
REquIRED FLOw RATE IN GALLONS pER MINuTE
GROuND 1 1.5 2 2.5 3 3.5 4 4.5 5
wATER
TEMp. SuGGESTED RhEEM MODEL (kw)
35 13 18 27 27
40 9 13 18 27 27
45 9 13 18 27 27 27
50 9 13 18 27 27 27
55 7 9 13 18 27 27 27 27
60 7 7 9 18 18 27 27 27
65 7 7 9 13 18 18 18 27
70 7 7 9 13 13 18 27 27 27
75+ 3 7 7 9 18 18 18 27 27
Recommendations based on hot outlet water temperature of 105°F.
ELECTRICAL SpECIFICATIONS
RECOMMENDED MAX pOwER AwG
MODEL kw VOLTS bREAkER SIzE (AMp) wIRE
RTE 3 3 120 30 29 10
RTE 7 7 240 30 29 10
RTE 9 9 240 40 38 8
RTE 13 13 240 60 54 6
RTE 18 18 240 (2) 40 75 (2) 8
RTE 27 27 240 (2) 60 112 (2) 6
For more information,
call 1-866-720-2076
or visit rheem.com
In keeping with its policy of continuous progress and product improvement,
Rheem reserves the right to make changes without notice.
Rheem Water Heating and Heating & Cooling Products
101 Bell Road • Montgomery, AL 36117-4305
1-866-720-2076 • www.rheem.com
Rheem Canada Ltd./Ltée • Water Heater Division
125 Edgeware Road, Unit 1, Brampton, Ontario L6Y 0P5
Printed in U.S.A. 07/11 WP 102-70 REV. 4
from Rheem
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