Submittal Sheet

Bosch Thermotechnology Corp. reserves the right to make changes without notice due
to continuing engineering and technological advances |
BTC 741008301 E | 10.2014
Tel: [phone] Fax: [phone] www.bosch-climate.us
Engineering Submittal Sheet
C1210ESC
Tankless Water Heater
Bosch Thermotechnology Corp.
Londonderry, NH • Ft. Lauderdale, FL
7 of 7
Water Heating Capacity Curve
Tankless Components
10 20 30 40 50 60 70 80 90
9
10
11
8
12
13
100 110 120 130 140
7
6
4
3
2
1
0
5
Temperature rise (°F)
Flow
Rate
(GPM)
Water Heating Capacity Data
Temperature Rise
(°F)
Flow Rate
(GPM)
35 12.1
45 9.4
55 7.7
65 6.5
75 5.6
90 4.7
100 4.2
120 3.5
140 3.0
Components Legend
1 Exhaust temperature sensor
2 Condensing heat exchanger
3Heat exchanger
4 Ionization sensor
5 Primary fan (Mixer)
6LCD display
7On/Off button
8Reset button
9Program button
10 Flue gas limiter
11 Heat exchanger overheat sensor (ECO)
12 Ignition electrodes
13 Observation window
14 Backflow temperature sensor
15 Secondary air fan
16 Gas valve
17 Condensate trap
18 Control unit
19 Up button
20 Down button
21 LED
6
7
8
9
10
11
12
13
14
15
16
17
18
19
5
4
3
2
1
20
21
* 35°F capacity is based on installation with a mixing valve to overcome typical pressure loss through the water heater and system.