1. Introduction
The InSinkErator Evolution 0.75HP Advanced Series Garbage Disposal is engineered for superior performance and quiet operation. It features a 3/4 HP Dura-Drive induction motor and 3-Stage MultiGrind technology to efficiently process tough food scraps, helping to prevent clogs. The patented SoundSeal technology ensures significantly quieter operation compared to standard disposals. Designed for ease of use and installation, this unit is a reliable addition to any kitchen.
For an overview of the Advanced Series, please watch the official product video:
Official InSinkErator video showcasing the Next Generation Advanced Series Garbage Disposals, highlighting quiet operation and grinding capabilities.
2. Safety Information
Always read and understand all instructions before installing or using this appliance. Failure to follow these instructions could result in electric shock, fire, serious injury, or death.
- Always use cold water when operating the garbage disposal.
- Do not put non-food items into the disposal, such as glass, plastic, metal, or large bones.
- Never put your hand into the disposal. Use a long-handled utensil to push food into the disposal.
- Ensure the disposal is properly grounded before use.
- Keep the splash guard in place during operation to prevent items from exiting the disposal.
3. Included Components
Your InSinkErator Evolution 0.75HP garbage disposal package includes the following items:
- Garbage Disposal Unit
- EZ Connect Hardwire Adaptor
- Discharge Tube
- Sink Stopper
- Sink Flange Assembly
- Wrench (Wrenchette)

All components included with the InSinkErator Evolution 0.75HP garbage disposal.
4. Setup and Installation
The InSinkErator Evolution 0.75HP is designed for easy installation, featuring EZ Connect Hardwire Adapter, EZ Grip Handles, EZ Removable Dishwasher Inlet Plug, and Lift and Latch technology.
4.1 Pre-Installation Considerations
- Ensure you have adequate space under your sink. The unit dimensions are approximately 8.25 x 8.25 x 12.25 inches.
- Verify your sink type and existing plumbing connections.
- An EZ Connect Power Cord is sold separately if you do not have a hardwire setup.

Dimensions for easy swap with existing InSinkErator disposals.
To understand how the disposal fits with different sink types, especially farm sinks, watch this video:
Video demonstrating how the disposal fits with a farm sink setup, including measurements for clearance.
4.2 Installation Steps
- Prepare the Sink Flange: Apply plumber's putty around the underside of the sink flange and press it firmly into the sink opening.
- Assemble Mounting Ring: From underneath the sink, slide the fiber gasket, backup flange, and mounting ring onto the sink flange. Secure with the snap ring.
- Connect Electrical: Connect the EZ Connect Hardwire Adapter to the disposal's electrical port. If using a power cord (sold separately), connect it here.
- Attach Disposal to Mounting Assembly: Align the disposal with the mounting ring. Use the Lift and Latch technology to easily lift and twist the disposal onto the mounting ring until it locks into place.
- Connect Drain Line: Attach the discharge tube to the disposal and connect it to your household drain line.
- Connect Dishwasher (Optional): If connecting a dishwasher, remove the EZ Removable Dishwasher Inlet Plug using the included wrenchette and connect the dishwasher drain hose.

Illustration of EZ Connect features and Lift and Latch technology for simplified installation.
For a detailed visual guide on installation, refer to the following video:
Comprehensive installation guide for the InSinkErator EVOLUTION Advanced 3/4 HP disposal.
For specific instructions on connecting the power cord, watch this video:
Video demonstrating how to connect the EZ Power Cord to the disposal unit.
5. Operating Instructions
The InSinkErator Evolution 0.75HP is designed for continuous feed operation, allowing you to add food waste while the disposal is running.
- Turn on Water: Always turn on a medium stream of cold water before and during disposal operation.
- Activate Disposal: Flip the wall switch or press the air switch to turn on the disposal.
- Feed Food Waste: Gradually feed food waste into the disposal opening. The 3-Stage MultiGrind technology will process tough scraps into fine particles.
- Continue Running: Allow the disposal and water to run for a few seconds after grinding is complete to flush the drain line.
- Quiet Operation: Benefit from the Quiet SoundSeal technology, which significantly reduces noise during operation.

Key features of the Evolution .75HP Advanced Series, including SoundSeal and MultiGrind technologies.

The disposal operates with 75% quieter SoundSeal Technology.

MultiGrind Technology handles tough food scraps effectively.
6. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your garbage disposal.
- Cleaning: Grind small bones or citrus peels (lemons, oranges) to help clean the grind chamber and remove odors.
- Ice Cubes: Grind ice cubes periodically to help clean the grind elements and loosen any food particles.
- Splash Guard: The removable Quiet Collar sink baffle can be easily cleaned or replaced if worn.
- Avoid Grease: Never pour grease or oil down the drain, as it can solidify and cause clogs.
7. Troubleshooting
If your disposal is not operating correctly, try these common troubleshooting steps:
- Disposal Not Starting: Check the reset button on the bottom of the disposal. If it has tripped, push it in. Also, check your circuit breaker.
- Humming but Not Grinding: This indicates a jam. Turn off the disposal and water. Use the included wrenchette to insert into the center hole on the bottom of the disposal and turn it back and forth to free the jam.
- Leaking: Check all plumbing connections for tightness. Ensure the sink flange is properly sealed.
- Odors: Grind citrus peels or use a disposal cleaner to eliminate odors.
8. Specifications
| Feature | Detail |
|---|---|
| Manufacturer | InSinkErator |
| Part Number | 80021-ISE |
| Item Weight | 18.4 pounds |
| Product Dimensions | 8.25 x 8.25 x 12.25 inches |
| Country of Origin | USA |
| Item Model Number | EVOLUTION 0.75HP |
| Size | 3/4 HP |
| Color | Gray |
| Style | Disposal |
| Finish | Stainless |
| Material | Plastic |
| Pattern | Garbage Disposal |
| Voltage | 120 Volts |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
9. Warranty and Support
This InSinkErator product comes with a manufacturer's warranty. Please refer to the warranty documentation included with your product for specific terms and conditions.
For technical assistance, troubleshooting, or to inquire about warranty service, please contact InSinkErator Customer Support. Contact information can typically be found on the InSinkErator website or in your product's packaging.





