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Float Switch and Alarm Switch Replacement
Float Switch and Alarm Switch Replacement
Disassembly
1. Disconnect pump and switch from power supply.
2. Remove cord grommet from switch housing.
3. Remove all cords from cord grommet.
4. Remove the switch module from the basin by unscrewing its 6 bolts.
5. Feed the pump cord through the grommet opening until the switch module is
free.
6. Remove the float switch by loosening the plastic wing nut opposite the cord
grip.
NOTE: It is not necessary to remove the wing nut completely.
Reassembly
1. Install the new float switch.
• Make sure the cord tether length (distance between the cord grip and float
housing) is 3.5 to 3.75 inches for correct liquid level control.
2. Feed the float switch cord(s) and the pump cord through the cord grommet opening.
3. Secure the switch module to the basin with 6 bolts.
4. Feed the cords into the cord grommet and install the grommet into the switch module.
5. Remove any cord slack that could interfere with the control float or alarm float.
6. Connect the switch and pump to power supply.
External Control Module (ECM™) Replacement
1. Disconnect pump and switch from power supply.
2. Remove cord grommet from the switch access cover.
3. Separate the pump power cord from the grommet.
4. Remove the switch module from the basin by unscrewing its 6 bolts.
5. Feed the pump cord through the cord grommet opening until the switch
module is free.
6. Thread the pump cord through the cord grommet opening of the replace-
ment ECM™.
7. Install the new ECM™ module to basin and secure with 6 bolts.
8. Insert the pump cords in cord grommet.
9. Install the cord grommet into the switch module.
• If using an alarm float, remove any cord slack that could interfere with its
operation.
Replacement Parts
Pump Models
Model
9SC-CIM
10SC-CIM
16G-M151-20
*Do not install 16G-M151-20 model pump on ECM™ equipped units.
4
Description
115 V, 60 Hz, 20 ft
115 V, 60 Hz, 20 ft, 2 in
115 V, 60 Hz, 20 ft, 3 in
115 V, 60 Hz, 20 ft, 2 in
Order Number
509413
511432
511435
509809
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