Noritz N-0841MC Series Manual page 17

Procedure
22. Replace Flue from Top of Unit
(1) Inset flue in top of unit and secure the
4 screws
(2) Reconnect the venting to the unit
23. Replace Front Cover
(1) Replace water inlet filter
(2) Close Drain Ports
(3) Turn on cold water shut off valve
slowly (check for leaks around "C"
clamps)
(4) If you get leaks shut off water and re‐
secure "C" Clamps.
(5) Turn on gas (check "C" clamps for
leaks)
(6) Secure front cover with 4 screws
(7) Return electrical power to the unit
Diagram
Page 17