Submittal Sheet

Bosch Thermotechnology Corp. reserves the right to make changes without notice due
to continuing engineering and technological advances | BTC 721008304 A | 12.2011
Bosch Thermotechnology Corporation
Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA
Tel: [phone] Fax: [phone] www.bosch-climate.us
Engineering Submittal Sheet
TRONIC US3 / US6 / US7 / US9
Electric Tankless Water Heaters
3 of 4
Water Heating Capacity Curve
Water Heating Capacity Data
Temperature
Rise °F*
Flow Rate GPM
US3 US6 US7 US9
95 N/A N/A 0.5 N/A
90 N/A N/A 0.5 N/A
75 N/A 0.5 0.7 0.9
65 N/A 0.6 0.8 1.0
55 N/A 0.7 0.9 1.2
45 0.5 0.9 1.1 1.4
35 0.7 1.2 1.4 1.9
10 20 30 40 50 60 70 80 90
Temperature rise (°F)
100 110 120
4
3
2
1
0
5
Flow
Rate
(GPM)
US9
US7
US6
US3
* On maximum temperature setting
Installation examples
NOTE; Appliance must be installed only as shown in order to ensure fl ow switch activation
Front view
Hot
Cold
Hot
Cold
Hot
Cold