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7-3-7. Remove the heat exchanger sensor.
(1) Remove the heat exchanger sensor from the sensor holder. (Fig. 19)
7-3-8. Remove the drain pump and float switch.
(1) Remove the 2 screws (Fig. 20)
(2) Loosen the clamp and disconnect the drain hose from the drain pump. (Fig. 20)
(3) Remove the drain pump from the main body upper section. (Fig. 20)
(4) Remove a nut and remove the float switch. (Fig. 21)
Heat exchanger sensor
Fig.20 Fig.21
Fig.19
Holder
Drain pump
Screw
Clamp
Float switch
Nut
Drain hose
46