Garbage Disposal Installation Services in Phoenix, AZ
A properly installed garbage disposal provides years of convenient food waste management. If you are adding a unit to a new sink or replacing an old, broken one, professional installation ensures the unit is sealed correctly, wired safely, and connected to the drain line without future clogs or leaks.
Professional Disposal Installation
We install all types of disposals, from standard models to high-powered continuous feed units. Our installation service covers all necessary steps for a flawless setup:
- Sink Flange Sealing, ensuring a watertight seal at the drain opening to prevent leaks into the cabinet.
- Electrical Connection, safely wiring the disposal unit to the power source and wall switch.
- Dishwasher Drain, connecting the dishwasher drain line correctly, including removing the knockout plug if necessary.
- Drain Piping, customizing the disposal's drain pipe connection to the existing P-trap and wall drain to ensure smooth, clog-free flow.
Industries We Serve
Liberty Plumbing partners with businesses and organizations across Arizona, including
Restaurants and food service
Retail stores and shopping centers
Office buildings and corporate facilities
Multi-family housing and apartment complexes
Schools, universities, and government buildings
Industrial and manufacturing facilities
No matter your industry, our commercial plumbers provide service you can rely on.



Choosing the Right Disposal Unit
Disposals are rated by horsepower (HP) and feed type. We help you choose the ideal fit for your kitchen needs, whether you need a lighter duty unit (1/3 to 1/2 HP) for occasional use or a heavy-duty model (3/4 to 1 HP) for large families and tougher scraps. We also review the pros and cons of batch feed (safer, operates with a stopper) versus continuous feed (more common, operates with a switch).
Safe and Correct Installation Steps
Our plumbers take meticulous care during installation to prevent the most common post-install issues, like leaks or jams:
- Preparation: Turning off power, clearing the space, and dry-fitting the new unit.
- Secure Sealing: Applying a consistent, leak-proof seal around the sink flange and securing the mounting ring tightly.
- Knockout Removal: For dishwasher connections, carefully removing the plug without dropping plastic pieces into the unit.
- Final Check: Testing all drain connections under running water and confirming the unit turns on and processes food waste smoothly.
Request a Free Disposal Quote
Ready to install a reliable new garbage disposal?
Call Liberty Plumbing today to request a free quote for professional garbage disposal installation.
Related Services: Garbage Disposal Not Working, Dishwasher Installation