The cost of installing a garbage disposal can vary depending on several factors, including the complexity of the installation, the type of garbage disposal unit, and the location. On average, the installation of a garbage disposal can range from $350 to $500, including both labor and materials. It's always best to contact us for an accurate estimate. We will be able to assess your specific needs, provide recommendations, and give you a more precise cost for the installation.

 

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COMMON ISSUES WITH GARBAGE DISPOSALS

 

 

Most often, people need kitchen garbage disposal repair for the following reasons:

 

• The unit fails to grind properly, but its motor keeps humming. This often means the disposal is trying to work, yet the grinding action is not happening the way it should, leaving food waste and small scraps stuck instead of being broken down.
• Grinding noises are noticeably louder than usual. If you hear new or harsher sounds during use, it can be a sign that something is interfering with normal operation, or that the unit is struggling under load.
• There are leaks below the disposal. Leaks can appear around the mounting area or connections under the sink, and they may start small at first—then become more obvious when the unit is running.
• Water doesn't drain. When water backs up or drains very slowly after running the disposal, it suggests the system isn't clearing the way it normally should, so waste and water may not be moving through properly.

 

Also, the unit might start to run and shut off before you turn it off. In this situation, the disposal may behave as if it is tripping or stopping on its own, which can interrupt your use and point to a problem that needs attention.

 

TIPS TO PREVENT BREAKAGE OF GARBAGE DISPOSAL

 

Avoid throwing potato peels, eggshells, fish skins, large volumes of grease, coffee grounds and other similar types of waste in your garbage disposal. That would be the best way of prolonging the lifespan of your unit.

To remove buildup and harmful bacteria that feed on trash, add a mixture of ½ cup of vinegar and ½ cup of baking soda into the unit every month. Let it sit until the foaming stops, rinse with water and drain.

 

INSTALLATION OF GARBAGE DISPOSAL

At first sight, kitchen disposal installation might seem like an easy process. Yet to ensure the unit functions properly, you should ask for a professional garbage disposal installation near me. The garbage disposal installation service costs around $250 and takes a couple of hours.

 

 

CHOOSING THE RIGHT GARBAGE DISPOSAL

 

Not all garbage disposals are built the same, and choosing the right type and size matters for both performance and longevity:

 

Continuous Feed vs. Batch Feed:

 

• Continuous feed disposals are the most common — you switch them on with a wall switch and can keep adding food waste while they run. They're convenient but require care since the drain opening is exposed while running.
• Batch feed disposals require a special stopper to be inserted and turned before the unit activates, adding a safety feature (no accidental activation while your hand is near the drain) at a somewhat higher price point.

 

Motor Horsepower:

 

• 1/3 to 1/2 HP — suitable for light use, smaller households, or occasional cooking
• 3/4 HP — a solid middle ground for most households, handling everyday food waste without frequent jamming
• 1 HP or more — best for larger households, frequent cooking, or homes that process tougher food scraps regularly

 

A higher horsepower unit generally means quieter operation, faster grinding, and fewer jams — worth considering if you're replacing a unit that struggled with everyday use.

 

HOW TO RESET A JAMMED DISPOSAL

 

Before calling for repair, most garbage disposals include a reset button (typically red, located on the bottom of the unit) that can resolve a simple overload trip:

 

1. Turn off the disposal and unplug it or shut off the circuit breaker
2. Locate the small hex-shaped hole on the bottom of the unit and use the included Allen wrench (or a 1/4" hex key) to manually rotate the grinding plate back and forth to clear any jam
3. Press the red reset button
4. Restore power and test the unit

 

If the unit still won't run after these steps, or if the reset button trips repeatedly, it's a sign of a deeper issue — motor failure, a stuck object that can't be cleared manually, or an electrical problem — and it's time to call a professional.

 

WHEN TO REPAIR VS. REPLACE

 

• Repair if the issue is a simple jam, a tripped reset switch, or a minor leak at a connection point
• Replace if the unit is more than 10-12 years old, the motor has burned out, the housing is leaking from the unit itself (not just connections), or you're experiencing repeated jamming despite proper use

 

FREQUENTLY ASKED QUESTIONS

 

Can I put any food scraps down my garbage disposal?
No — as noted above, avoid fibrous items (potato peels, celery), hard items (bones, fruit pits), grease, and large quantities of starchy foods like pasta or rice, which can expand and cause clogs.

 

Why does my disposal smell bad even after cleaning?
Trapped food particles in hard-to-reach areas of the grinding chamber can cause odors even after surface cleaning; the vinegar and baking soda method helps, but persistent odor after regular cleaning may indicate it's time for a professional inspection.

I

s it normal for a garbage disposal to be loud?
Some operational noise is normal, but grinding, rattling, or metallic noises are not — these often indicate an object lodged in the unit or worn components, and should be checked before they cause further damage.

 

 

 

Signs Your Kitchen Garbage Disposal Needs Repair or Replacement

 

A malfunctioning garbage disposal can cause severe kitchen sink blockages, unpleasant odors, and water damage inside your lower sink cabinet. Call our licensed plumbing team at (224) 754-1984 if you encounter any of these common issues:

 

• Disposal Humming But Not Spinning: The flywheel or shredding impellers are jammed by hard debris, bone fragments, fibrous food, or foreign metal objects.

• Water Leaking Under the Sink: Leaking internal motor seals, cracked composite housings, or loose mounting flange seals dripping into your cabinet floor.

• Unit Won't Turn On (No Sound): Tripped red thermal overload reset button, blown circuit breaker, or completely burned-out electrical motor winding.

• Slow Draining or Frequent Sink Clogs: Dull internal shredding blades or grease buildup failing to grind food waste finely enough to pass through drain lines.

• Loud Screeching, Metal Grinding, or Rattling: Worn-out motor bearings, loose flywheel components, or trapped hard objects inside the grinding chamber.

• Persistent Foul Odors: Organic sludge and rotting food particles trapped under the sink baffle or inside the upper mounting collar.

 

Garbage Disposal Repair vs. Replacement Guide

 

Deciding whether to repair your current garbage disposal or upgrade to a modern, quiet model? Here is a practical breakdown:

 

Situation / Symptom	Recommended Action	Why?
Flywheel jammed by food/objects	Repair	Unjamming the flywheel and resetting the thermal overload switch restores full operation quickly.
Water dripping from bottom motor housing	Replacement	Internal motor shaft seals are non-repairable; replacing the unit prevents electrical shorts and subfloor rot.
Unit is over 8–10 years old	Replacement	Modern multi-stage grinding disposals run quieter, use less power, and grind fibrous waste without clogging.
Loose sink flange or leaking P-trap connection	Repair	Resealing the sink mounting assembly with plumber's putty and tightening slip nuts fixes the leak.

 

Garbage Disposal Models & Top Brands We Service

 

We repair, supply, and install a full lineup of residential food waste disposers from trusted industry leaders, including InSinkErator (Badger & Evolution Series), Moen, Waste King, and Kohler:

 

• Continuous Feed Disposals: The most popular residential option. Operates via a wall switch or sink-top air button while running cold water.

• Batch Feed Disposals: High-safety models that only operate when a specialized cover stopper is twisted into the drain opening (ideal for homes with small children).

• Quiet Multi-Stage Grind Units (1/2 HP to 1 HP): Premium units equipped with sound-insulating shells and stainless steel multi-stage grind components that handle tough foods like corn husks and celery.

• Sink-Top Air Switch Installation: Installing elegant, convenient countertop air-activated switches in chrome, brushed nickel, or matte black finishes.

 

Our Step-by-Step Garbage Disposal Installation Process

 

1. Electrical Disconnection & Safe Removal: Shutting off dedicated circuit power, disconnecting dishwasher drain hoses and P-traps, and removing the old unit.

2. Sink Flange & Collar Preparation: Cleaning old plumber’s putty from the sink drain opening and installing a new stainless steel mounting flange with watertight seals.

3. Dishwasher Knockout Plug Removal: (If connected) Knocking out the internal dishwasher inlet plug so your dishwasher drains properly through the new unit.

4. Mounting & Electrical Hookup: Securing the heavy motor to the Quick Lock® mounting ring and wiring hardwired or corded 120V power connections safely.

5. Plumbing Re-alignment & High-Flow Testing: Connecting anti-siphon baffle tees, reassembling P-traps, running cold water, and testing for leak-free, high-speed grinding performance.

 

Frequently Asked Questions: Garbage Disposals

 

Q: How much does garbage disposal repair or installation cost in Illinois?

A: Unjamming a disposal or fixing minor under-sink plumbing leaks typically costs $150 to $250. Installing a new residential disposal (including hardware and labor) ranges from $250 to $550+, depending on motor horsepower (1/3 HP, 1/2 HP, 3/4 HP, or 1 HP) and brand selected.

 

Q: What items should NEVER be put down a garbage disposal?

A: Avoid putting coffee grounds, eggshells, grease/fats, banana peels, corn husks, bones, pasta/rice, and non-food items down your disposal. Fats solidify in pipes, while fibrous foods wrap around the grinding flywheel.

 

Q: How do I reset a garbage disposal that stopped working completely?

A: Turn off the switch, look under the bottom of the unit, and press the small red RESET button. If the motor hums but doesn't spin, insert an Allen wrench into the center hex hole at the bottom to manually rotate and unjam the flywheel.

 

Q: How long do residential garbage disposals typically last?

A: Quality residential disposals have an average lifespan of 8 to 12 years. Regular cleaning with ice cubes and cold water helps maintain sharp grinding components and extends motor life.

 

With multiple locations throughout North Shore and Northwest suburbs of Chicago, Illinois, Emergency Plumbing offers promt and professional plumbing services.

 

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