Data subject to change without notice | Printed in the USA | BTC 722002312 A | 08.2021
Bosch Thermotechnology Corp.
Technical Service Bulletin
2 | Tronic 5000C/6000C Polypropylene Heating Canister Replacement
Figure 3
4.
Firmly hold the clear fl ow transducer in place, and separate the brass water
inlet connector from it by gently pulling it down through the water heater’s
chassis (Fig.4). Be aware that an o-ring that is located at the bottom of
the fl ow transducer will be creating some friction with the brass inlet
connection.
Figure 4
5.
Remove the slotted brass screw and washer to disconnect the red wire from
the left tab of the thermal cutout switch that is mounted on top of the right
brass heating element assembly (Fig. 5).
Figure 5
6.
Remove the two screws and washers that secure the thermal cutout switch
to the right brass heating element assembly (Fig.6).
Figure 6
7.
Disconnect the short gray wire from the single TRIAC circuit board that is
mounted to the top of the right brass heating element assembly (Fig.7).
Figure 7
8.
Disconnect the short pink wire and the short black wire from the dual TRIAC
circuit board that is mounted to the top of the right brass heating element
assembly (Fig.8).