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SERVICE (cont.)
CONTROL THERMOSTAT (cont.)
Removal and Replacement.
Mechanical Thermostat
1. Disconnect the wires from the thermostat.
2. Remove the thermostat capillary bulb by firmly
pulling-up on the capillary at the tank lid. This
will disengage the grommet from the tank lid.
3. Remove the #8-32 screw securing the thermo-
stat to the rear panel.
4. Slide the thermostat off of the guide stud on the
rear panel and discard.
5 Slide new thermostat over the guide stud on rear
panel.
6. Secure the thermostat to the rear panel using a
#8-32 screw.
7. Slide the grommet to the line 4.5” above the bulb
on the new capillary tube.
8. Insert the capillary bulb through the hole in the
tank lid and press the grommet firmly and evenly
so that the groove in the grommet fits into the
tank lid.
9. Carefully bend the capillary tube so that the tube
and bulb inside the tank are in the vertical posi-
tion and away from any electrical connections.
10. Refer to the illustration below and reconnect the
wires.
NOTE - The capillary tube must be clear of any electri-
cal termination and not kinked.
Electronic Thermostat (Optional)
1. Disconnect the wires from the thermostat.
2. Remove the two #8-32 keps nuts securing the
thermostat to the dispenser base.
3. Remove the temperature probe from the grom-
met in the tank lid.
4. Remove thermostat and discard.
5. Install new thermostat over the studs on the dis-
penser base and secure with two #8-32 keps nuts.
6. Push the temperature probe into the grommet in
the tank lid until the top of the tube is flush with
grommet.
7. Refer to the illustration below and reconnect the
wires.
BLK to Limit Thermostat
BLU to Tank
Heater Switch
MECHANICAL
TAN to Tank
Heater
Switch
BLK to Limit
Thermostat
ELECTRONIC
BLK to Terminal
Block
WHI to Terminal
Block
FIG. 7 THERMOSTAT TERMINALS
P1204
27591 031597