Specification's

Bosch Tronic 3000 | US12 - US3
Under-Sink Electric Tankless Water Heaters
Technical Specifications US12 US9 US7 US6 US3
Part Number
7736500683 7736500687 7736500684 7736500686 7736500685
Thermal Efficiency
99%
Thermostatic Control
3
– – – –
Activation Flow Rate, GPM
0.6 0.75 0.75 0.5 0.5
Electrical Requirements
Volts*
240 / 220 / 208 VAC 240 / 220 / 208 VAC 240 / 220 / 208 VAC 277 VAC 120 VAC
Input
(High/Low Setting), kW
12 9.5 / 4.75 7.2 / 3.60 6.0 / 3.0 3.4
Max Amps
50 40 30 25 30
Minimum Wire Size
6 GA 8 GA 10 GA
Maximum flow rates depending on temperature rise
GPM Output @ Temperature
Rise of 75°F
1.1 0.9 0.7 0.5 0.3
GPM Output @ Temperature
Rise of 65°F
1.3 1.0 0.8 0.6 0.4
GPM Output @ Temperature
Rise of 55°F
1.5 1.2 0.9 0.7 0.4
Endless Hot Water for One Sink at a Time
Compact point-of-use / under-sink tankless water heaters are designed
to provide an endless supply of hot water for kitchen and bathroom
sinks. These units provide 99% efficiency with minimal stand-by loss
and most models are equipped with high/low kW settings.
Note: All Bosch Tronic 3000 models require hard wiring.
Example: An inlet water temperature of 55°F and a desired water temperature of 120°F requires a temperature rise of 65°F.
Note: If operating unit on 208V or 220V instead of 240V, choose the next higher output.
*Specs are based on 240 V. Lesser voltage (220 V or 208 V) will result in reduced output. Values shown are for high / low kW settings.
20C4 LISTED
Features
u 99% efficient with minimal stand-by loss
u Ultra compact and light weight, saving valuable space
u Copper heat exchanger with copper-sheathed
heating elements
u Units can be mounted horizontally or vertically
(except model US12)
u Model US12 features thermostatic control
u No temperature / pressure relief valve is necessary
(subject to local codes)
u 5 year limited warranty
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Copies of original warranties in their entirety are available at
www.bosch-climate.us