Noritz N-0841MC Series Manual page 15

Procedure
20. Reconnect all wires that attach to the
wiring harness and the body of the water
heater
(1) Wiring for the fan
(2) Left Side Wiring Harness: Thermal fuse
(2), Freeze prevention heaters (2),
Neutralizer sensor plug
(3) Right Side Wiring Harness: High limit
switch (2), Freeze prevention
heater(2), Freeze prevention sensor
(4) Flame rods (2), ignition box
(5) Left Side On SS HE: Freeze prevention
sensor (replace clip with wires
attached)
(6) Right Side On SS HE: Freeze prevention
sensor plugs (2)
Diagram
Page 15