How to Replace a Garbage Disposer
By Gene and Katie Hamilton
- Slip-joint pliers
- Garbage disposer
- Plumber's putty
Before You Begin
Below are the instruction steps to follow. Don't want to DIY? Click here to
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Step 1 : Disconnect power
Disconnect the power to the disposer by either pulling the fuse or switching off the circuit breaker.
Step 2 : Remove the drain fittings
Use a large pair of tongue-and-groove pliers and remove the drain fittings connected to the old disposer.
Step 3 : Remove the disposer
Support the disposer with one hand, and lift it slightly. Insert a screwdriver (or the tool provided with the disposer) into the lugs on the side of the mounting assembly and push to the left to loosen the disposer.
Step 4 : Remove the electrical cover plate
Using a screwdriver, remove the screws holding the disposer's electrical cover plate to the disposer body. The wires inside the electrical box will most likely be connected with twist-on wire nuts. Loosen all the wires and separate them, then loosen the clamp that holds the cable leading into the box. Pull the cable out of the electrical box.
Step 5 : Remove the old mounting ring and sink flange
Use a screwdriver to pry off the snap ring holding the old mounting ring assembly to the sink flange. Then remove the sink flange.
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