Noritz EZ98 - 7. Remove Heat Exchanger Assembly from Case; Heat Exchanger Assembly Removal

Heat Exchanger Replacement Procedure
Diagram
6. Remove Fan Motor and Venturi assembly
(1) Remove "C" Clamp.
Then remove the 4 screws(M5×12) with a Long Philips
screwdriver.
Do not use a power drill.
(2) Pull up Fan Motor and Venturi assembly.
(3) Tilt Fan Motor and Venturi assembly.
(4) Rotate and detach Fan Motor and Venturi assembly.
Page 9
Procedure
EZ111DV/EZ98DV or NCC199CDV
(2)
NRCB199DV/NRCB180DV
(2)
(1)
EZ111DV/EZ98DV or NCC199CDV
(1)
NRCB199DV/NRCB180DV
(1)
e.g. EZ111DV
(3)
e.g. EZ111DV
②
①
(4)
e.g. EZ111DV