Data subject to change without notice | Printed in the USA | BTC 722002312 A | 08.2021
Bosch Thermotechnology Corp.
Technical Service Bulletin
Tronic 5000C/6000C Polypropylene Heating Canister Replacement
| 3
Figure 8
9.
Remove the three screws and washers that secure the TRIAC circuit boards
to the top of the right brass heating element assembly (Fig.9).
Figure 9
10. Remove the TRIAC circuit boards and bracket from the top of the right brass
heating element assembly
Figure 10
11. Unplug the two circled wire connectors from the main circuit board that is
located in the lower-right corner of the water heater (Fig.11).
Figure 11
12. Remove the clear fl ow transducer by pulling it down from the polypropylene
canister pipe, and remove the black temperature probe by removing two
screws and pulling the component out of the black pipe (Fig.12).
Figure 12
13. The black polypropylene canisters are secured to the chassis by fi ve M4
fl ange nuts (example shown in Fig.13). Remove all fi ve nuts from the
threaded studs.
Figure 13