Bosch KM3211WH Installation & Owners Manual page 30

When Unused for an Extended Period-2
If the water heater will not be used for a long period of time,
drain the water.
KM3211WH
3 positions
* The shapes of the cleanout plugs are as pictured on the
* The cleanout plugs may not be clearly visible as they are
* Water may not drain out fully even though the cleanout
For re-use
Please start to use it again in accordance with the "Initial Operation" procedure on P9.
30
Position of the cleanout plugs
right.
partially hidden behind the pipe insulation.
plugs are loosened, depending on the pipe arrangement.
In this case, fully remove the cleanout plugs. (Make sure
not to mislay them.)
KM3211WHQ
4 positions