Video & Articles: Appliance & Equipment RepairAO Smith Electric Water Heater Thermostat #9000507045

AO Smith Electric Water Heater Thermostat #9000507045

02:31
This video provides step-by-step instructions for replacing the temperature control thermostat on AO Smith electric water heaters. The most common reasons for replacing the temperature control thermostat are if the water heater gets too hot or does not heat.

All of the information in this thermostat replacement video is applicable to the following brands: AO Smith

Tools used: Phillips head screwdriver, tape, flat-head screwdriver

Step By Step Instructions

1
Before you replace the lower thermostat in your water heater shut off the power to the unit.
2
Use a phillips-head screwdriver to remove the mounting screw securing the access cover and remove the cover.
3
Move the insulation out of the way and remove the plastic cover.
4
Note the orientation of the wires attached to the thermostat then loosen the screws to detach the wires.
5
Pull the mounting bracket tabs forward to release the old thermostat. You’re now ready to install the new thermostat.
6
Align the thermostat on the bracket and snap it into place.
7
Attach the wires to the appropriate terminals on the new thermostat and tighten the screws to secure.
8
Position the new plastic cover.
9
Use a flathead screwdriver to adjust the thermostat setting to the desired temperature – 120 degrees Fahrenheit is recommended.
10
Reposition the insulation and realign the access cover.
11
Replace the mounting screw to secure the cover.
12
Restore power to the unit and your water heater should be ready for use.
Description
This video provides step-by-step instructions for replacing the temperature control thermostat on AO Smith electric water heaters. The most common reasons for replacing the temperature control thermostat are if the water heater gets too hot or does not heat.

All of the information in this thermostat replacement video is applicable to the following brands: AO Smith

Tools used: Phillips head screwdriver, tape, flat-head screwdriver
Step-By-Step Instructions
1
Before you replace the lower thermostat in your water heater shut off the power to the unit.
2
Use a phillips-head screwdriver to remove the mounting screw securing the access cover and remove the cover.
3
Move the insulation out of the way and remove the plastic cover.
4
Note the orientation of the wires attached to the thermostat then loosen the screws to detach the wires.
5
Pull the mounting bracket tabs forward to release the old thermostat. You’re now ready to install the new thermostat.
6
Align the thermostat on the bracket and snap it into place.
7
Attach the wires to the appropriate terminals on the new thermostat and tighten the screws to secure.
8
Position the new plastic cover.
9
Use a flathead screwdriver to adjust the thermostat setting to the desired temperature – 120 degrees Fahrenheit is recommended.
10
Reposition the insulation and realign the access cover.
11
Replace the mounting screw to secure the cover.
12
Restore power to the unit and your water heater should be ready for use.

Applicable Product Model

icons/water heater
Brand
Product Type
Model
Subtype
Electric Water Heater
Total$0.00

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