9. Remove heat exchanger components from
old heat exchanger and put on new heat
exchanger
(1) Freeze prevention heater (front)
(2) Freeze prevention sensor (left side)
(3) High limit switch (right side)
(4) Thermal fuse and fasteners from 4
sides of heat exchanger, See the 4
views of the heat exchanger to make
sure the thermal fuse is routed
correctly
Right Side
Back Side
Left Side