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Installation Manual
Bosch Tronic TR4000C Electric Tankless Water Heaters - BTC 722203301 A (08.2022)
6 Technical Specifi cations
Description TR4000C-3
TR4000C-6 TR4000C-8 TR4000C-10 TR4000C-13
Wattage*
110V 3.1kW ————
120V 3.5kW ————
208V — 4.9kW 6.4kW 7.9kW 9.8kW
240V — 6.5kW 8.5kW 10.5kW 13.0kW
Voltage 110/120 240 240 240 240
Phase 1
Circuit Breaker Size
1 x 30
Single Pole
1 x 30
Double Pole
1 x 40
Double Pole
1 x 50
Double Pole
1 x 60
Double Pole
Required Wire Size 10 AWG 10 AWG 8 AWG 6 AWG 6 AWG
Minimum Water Flow to Activate 0.55 gpm
Working Pressure 7 - 115 psi (0.5 - 8 bar)
Tested Pressure
230 psi (16 bar)
Water Connections
1/2” NPT
Elements 1
Weight
3.4 lb (1.54 kg)
Table 4
* Wattage based on maximum voltage supply.
Output will reduce if voltage reduces.
Temperature Rise Δt
Flow Rate (GPM)
TR4000C-3
TR4000C-6 TR4000C-8 TR4000C-10 TR4000C-13
35°F 0.59 1.26 1.65 2.04 2.53
45°F N/A 0.98 1.28 1.59 1.97
77°F N/A 0.57 0.75 0.93 1.15
Table 5
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