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ELECTRIC TANKLESS SERIES
DIMENSIONS (inches / pounds)
M
ODEL LENGTH WIDTH WEIGHT
RTE 3 10-1/4 5-3/8 6
RTE 7 10-1/4 5-3/8 6
RTE 9 10 7-1/4 8
RTE 13 10 7-1/4 8
RTE 18 10-1/2 11-1/4 12
RTE 27 10-1/2 11-1/4 12
• Plumbing connections: 1/2 NPT • Minimum flow rate: 1/2 gal. min.
APPLICATION FLOW RATE IN GPM AT 60 PSI
Typical Shower 1.5 to 2.0 GPM Max. 2.5 GPM
Typical Bath Tub Faucet 2.0 to 3.0 GPM
Bathroom Vanity Sink Faucet 0.5 to 1.5 GPM
Kitchen Sink Faucet 1.0 o 2.2 GPM
Washer 1.5 to 3.0 GPM
R
EQ. MAX POWER AWG
MODEL KW VOLTS BREAKER (AMP) WIRE
RTE 3 3 110 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
Specifications
ELECTRICAL SPECIFICATIONS
MINIMUM MAX.
ACTIVATION FLOW
KW
MODEL FLOW RATE RATE
@
NUMBER
(GPM) (GPM) 240V 20° 30° 40° 50° 60° 70° 80° 90° 100°
RTE 3 0.4 1.5 – 1.5 1.0 0.7 0.5
RTE 7 0.4 2.5 7 2.5 2.4 1.6 1.1 0.8 0.5
RTE 9 0.4 393.0 3.0 2.2 1.5 1.0 0.7 0.5
RTE 13 0.4 4 13 4.0 4.0 3.0 2.1 1.4 1.0 0.7 0.4
RTE 18 0.4 5 18 5.0 5.0 3.9 2.6 1.8 1.2 0.8 0.6
RTE 27 0.4 5 27 5.0 5.0 5.0 4.0 2.7 1.8 1.2 0.9 0.6
TEMPERATURE RISE AND GPM FLOW
TEMPERATURE RISE CHART (F°)
AND FLOW RATES BY MODEL
Rheem Water Heating and Heating & Cooling Products
101 Bell Road • Montgomery, AL 36117-4305
1-866-720-2076 • www.rheemtankless.com
Rheem Canada Ltd./Ltée • Water Heater Division
125 Edgeware Road, Unit 1, Brampton, Ontario L6Y 0P5
Printed in U.S.A. 03/10 WP Form No. TK-205 Rev. 1
In keeping with its policy of continuous progress and product improvement,
Rheem reserves the right to make changes without notice.