Noritz EZ98 - 21. Attach Circuit Board; Attaching Circuit Board (EZ;NCC Models); Attaching Circuit Board (NRCB Models); 22. Attach Front Cover

Heat Exchanger Replacement Procedure
Diagram
22. Attach Front Cover
(1) Attach Front Cover with 4 screws w/ washer(M4×12).
Page 23
NRCB199DV/NRCB180DV: 2 screws
Procedure
21. Attach Circuit Board
(1) Attach Circuit Board with the screws(M4×12)*.
* EZ111DV/EZ98DV or NCC199CDV: 3 screws
NRCB199DV/NRCB180DV
(1)
EZ111DV/EZ98DV or NCC199CDV
(1)
Enlarged view
Put into the hole
(1)
EZ111DV/EZ98DV or NCC199CDV
NRCB199DV/NRCB180DV
(1)