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Operating Instructions
Cleaning filter of the drain plug
If the water drain valve (with water filter) is covered with debris, the hot water may not run
smoothly, or the unit may put out cold water. Check and clean the filter as explained below.
• To avoid burns, wait until the equipment cools down before draining the water.
The appliance will remain hot after it is turned off.
• Drain water into a bucket.
1. Close the water supply
valve.
2. Open all hot water tap.
3. Remove the drain plug. (Note 1)
4. Wash the filter area in water using a
toothbrush. (Note 2)
5. Reinsert the drain plug as before.
6. Close all hot water taps.
7. Open the water supply valve and check
that water does not leak from the drain
plugs or water drain valve.
(Note 1) Cold (or hot) water is discharged at this stage.
(Note 2) If the filter is removed from the drain plug, take care not to lose the
O-ring
between the drain plug and the filter.
O-ring
drain plug
Filter
Regular check-ups are recommended.
Even if there is no apparent problem with usage, a regular check-up is recommended about once
a year to ensure safe long-term use. Please contact Bosch agent for details.
hot water tap
Water supply valve
