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Installation Manual
Bosch Tronic TR4000C Electric Tankless Water Heaters - BTC 722203301 A (08.2022)
7. Position the unit on the mounting surface. Ensure the unit is level. Mount the
unit to the wall with four (4) screws of at least one (1) inch in length (installer
supplied) at the marked points. See Figure 5.
Figure 7
Wire Knockout
Mounting Locations
(Back of Unit)
NOTICE: PROPERTY DAMAGE, PRODUCT DAMAGE
Use screws suitable for the wall material and the weight of
the water heater. Failure to do so could result in property
damages and damage to the water heater. Such damages
ARE NOT covered by the product warranty.
WARNING: IMPROPER OPERATION, PERSONAL INJURY, PRODUCT
DAMAGE
This water heater must be installed upright in the vertical
position as described in this manual. DO NOT attempt to
install this water heater in any other orientation. Doing so
will result in improper water heater operation and property
damage, and could result in serious personal injury or death.
8. Pull gently on the water heater to ensure that it is properly mounted.
Figure 8
DO NOT INSTALL UNIT
UPSIDE DOWN, ON SIDE OR ON BACK