Rheem RTE 9 Series Brochure - Page 3

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. Application Typical Shower Typical Bath Tub Faucet Bathroom Vanity Sink Faucet Kitchen Sink Faucet Washing Machine 2On 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. Flow Rate in GPM at 60 PSI 2.0 GPM 2.5 GPM 1.0 GPM 1.5 GPM 2.0 GPM 3Use the water temperature and flow rate chart to determine the model you need. 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. 4Check dimensions and electrical requirements. See charts below. 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 flow rate: 1/2 gal. min 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