Noritz N-0841MC Series Manual page 8

Procedure
(3) Remove the 2 "C" Clamps on the
end of each pipe and remove pipe
and set aside
(4) Remove the 9 screws that located
on the back side of the SS HE
(5) Separate the SS HE from the CU HE
10. Replacing Stainless Steel Heat
Exchanger
Note: If you are not replacing the SS HE
then you can skip this step and set SS HE
a side.
(1) Check the gasket on the CU HE, if it
is damaged replace it with one that
was shipped in the heat exchanger
kit
(2) Remove the 2 Freeze Prevention
Heater on the front of
place on new SS HE
(3) On Right Side of SS HE, remove
Freeze Prevention Sensor and High
Limit Switch and place on new SS HE
Diagram
the SS HE and
Page 8