Noritz N-0841MC Series Manual page 3

Procedure
3. Remove gas valve assembly
(1) Locate "C" clamp on the bottom right
hand corner of the unit that attaches
the gas connection to the manifold
plate and remove.
(2) Locate inlet gas pipe to manifold and
push up.
(3) Locate the large wiring connection,
that attaches the wires from the
manifold plate to the wiring harness,
and disconnect the plug.
(4) Next locate the four big silver screws
holding the manifold plate to the
burner, there will be two on the right
and left side of the manifold plate.
Remove those four screws and the
manifold plate and pipe can be
removed and set aside.
4. Unplug all wires that attach to the wiring
harness and the body of the water heater
(1) Wiring for the fan
Diagram
Page 3