Data subject to change without notice | Printed in the USA | BTC 722002312 A | 08.2021
Bosch Thermotechnology Corp.
Technical Service Bulletin
11 | Tronic 5000C/6000C Polypropylene Heating Canister Replacement
Bosch Thermotechnology Corp.
65 Grove Street
Watertown, MA 02472
Tel: 1-866-642-3198
Fax: 1-603-965-7581
www.bosch-thermotechnology.us
22. Using the slotted screws and washer that was removed in Step 5, reconnect
the red wires to the left wiring tab on the thermal cut out switch (Fig.51).
Figure 51
23. Insert the brass outlet water connection fi tting up through the chassis and
screw it into the left black polypropylene pipe. Insert the brass inlet water
connection fi tting up through the chassis, apply some plumbers grease to
the o-ring that is located at the bottom of the fl ow transducer, and gently
push the brass connector up to fully connect it to the fl ow transducer (Fig.
52).
Figure 52
24. Use the two Phillips screws and washers that were removed in Step 1 to
secure the brass outlet water connection to the chassis (Fig.53).
Figure 53
25. Use the two Phillips screws and washers that were removed in Step 3 to
secure the brass inlet water connection to the chassis (Fig.54).
Figure 54
26. Reconnect the plumbing piping to the brass inlet and outlet water
connections, turn on the water supply, and check for leaks. If any are found,
shut the water supply off and correct the leak before turning on the power
supplies and putting the water heater back into operation.
27. Run the hot water for a few minutes to ensure correct operation.
If you have any questions regarding the information provided in this document,
please contact the Bosch Technical Support Department by phone at 1-800-283-
3787, or via email at
