Submittal Sheet

Bosch Thermotechnology Corp. reserves the right to make changes without notice due
to continuing engineering and technological advances | BTC 722008305 A | 07.2015
Bosch Thermotechnology Corp.
Londonderry, NH • Ft. Lauderdale, FL
Tel: 1-866-642-3198 Fax: 1-603-965-7581 www.boschheatingandcooling.com
TRONIC 6000C WH17 & WH27
Electric Tankless Water Heaters
Technical Data
Description Unit WH17 WH27
Part number 7736503050
7736503051
Voltage supply VAC 240 240
Amperage A 2 x 40 3 x 40
Maximum output kW 17.25 26.85
Maximum output at 220V kW 15.00 22.50
Maximum output at 208V kW 13.00 20.00
Minimum recommended wire size AWG 8 8
Thermal ef ciency % 97 97
Temperature control range ° F 95 - 131 95 - 131
Maximum inlet water temperature* ° F 86 86
Water pressure range psi 15 - 150 15 - 150
Minimum ow rate GPM 0.6 0.8
Inlet / Outlet connections Inch
¾ NPT ¾ NPT
Weight (without water) lbs 20 22
Certi cations
®
U
P
C
LOW-LEAD
®
* Do not use heater for water temperature boosting applications
Display Screen
The display screen is defaulted to display set-point
temperature in Imperial Units. The set-point temperature can
be adjusted with use of the external set-point temperature
selector.
For a licensed electrician, the display can be adjusted to
display ow rate and can be changed to Metric units. These
changes are made by a licensed electrician by making the
appropriate adjustments on the dipswitch, as shown.
Display DIP Switch
[1] Metric units °C & liters per min
[2] Display Temp
[3] American units °F & GPM
[4] Display Flow
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