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Compare Best Home Garbage Disposals: Waste King L-3200 vs. InSinkErator Evolution Excel
 InSinkErator Evolution
Excel (Photo Credits: InSinkErator)
A home garbage disposal unit is an electrically powered device installed under the kitchen sink and that is capable of pulverizing or liquefying food waste, so it can be discarded through the plumbing.
Aside from offering practical convenience, garbage disposing units provide an environmentally sound "green" solution to the growing problem of food waste as they eliminate transporting it to landfills, and they help reduce greenhouse gas emissions. Furthermore, at capable waste-water treatment plants, food waste can be recycled to produce renewable energy.  Food Waste Disposal Process
When considering to get one, the following points should be kept in mind:
Note that top brands allow you to pulverize or liquefy various foods such as celery, small bones, corncobs, banana peels, apple cores, potato peels, coffee grounds and more. Proper use of these units require avoiding grinding large amounts of these foods all at once and remembering to use cold water while operating the disposer. This article will compare Waste King L-3200 and InSinkErator Evolution Excel home garbage disposal systems. These were not just very popular among Amazon customers at the time this article was written, but they had also received excellent reviews from most Amazon buyers.
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Comparing Waste King L-3200 and InSinkErator Evolution Excel Garbage Disposal Systems
The following pictures show the two garbage disposal systems chosen for comparison:
(Photo Credits: Waste King)
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(Photo Credits: InSinkErator)
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The following table compares the various features that come with the two garbage disposal systems (please read the explanations to the table notes that follow for a better understanding of the features):
Table Notes 1 - 11 Explained:
Note 1:
RPM = Revolutions Per Minute.
Note 2:
Continuous disposal means that you can keep adding waste while the unit runs.
Note 3:
Most garbage disposal units come equipped with a single grinding stage which breaks and pulverizes the food waste into small particles, so it can easily flow into your sewage system. Waste King L-3200 is one such unit. The grinding chamber has a stainless steel turntable, cast stainless steel impellers and a stainless steel grind ring.
On the other hand, InSinkErator Evolution Excel features three grinding stages which can handle almost any food waste reducing the chance of clogs and jams. The grind chamber is equipped with a grind-shear ring, a tri-action lug system and an under-cutter disk, all in stainless steel, that virtually liquefy food waste to safely flow into your sewage system. In addition to the three stages of grind, the Excel also includes a jam-sensor circuit that automatically increases torque to break through jams.
Note 4:
Note 5:
Both units have sound insulation:
Note 6:
The removable splash guard makes it easy to clean.
Note 7:
Installation of these units is pretty straightforward and described in their provided user manuals. Both units come with all parts needed to install. The following images show the various dimensions associated with the two units that need to be taken into consideration when installed:
Note 1:
RPM = Revolutions Per Minute.
Note 2:
Continuous disposal means that you can keep adding waste while the unit runs.
Note 3:
Most garbage disposal units come equipped with a single grinding stage which breaks and pulverizes the food waste into small particles, so it can easily flow into your sewage system. Waste King L-3200 is one such unit. The grinding chamber has a stainless steel turntable, cast stainless steel impellers and a stainless steel grind ring.
On the other hand, InSinkErator Evolution Excel features three grinding stages which can handle almost any food waste reducing the chance of clogs and jams. The grind chamber is equipped with a grind-shear ring, a tri-action lug system and an under-cutter disk, all in stainless steel, that virtually liquefy food waste to safely flow into your sewage system. In addition to the three stages of grind, the Excel also includes a jam-sensor circuit that automatically increases torque to break through jams.
Note 4:
- Waste King L-3200 has a grind chamber made of corrosion proof glass filled polyester.
- InSinkErator Evolution Excel has a stainless steel grind chamber.
Note 5:
Both units have sound insulation:
- Waste King is built with a sound shell that helps prevent sound from escaping.
- InSinkErator features advanced sound reducing technology that ensures less noise than a standard disposer. This technology includes superior insulation around the motor, an anti-vibration sink mount, and an anti-vibration tailpipe to prevent sound transmission from vibrations. The sink baffle also helps prevent sound from escaping the throat of the disposer. This proprietary SoundSeal technology built into the InSinkErator Excel unit makes its operation whisper quiet compared to most other garbage disposers!
Note 6:
The removable splash guard makes it easy to clean.
Note 7:
Installation of these units is pretty straightforward and described in their provided user manuals. Both units come with all parts needed to install. The following images show the various dimensions associated with the two units that need to be taken into consideration when installed:
(Photo Credits: Waste King)
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(Photo Credits: InSinkErator)
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Note 8:
Both units come with a built-in spout (or connection) for connecting to the dishwasher if needed, but you may have to buy separately a dishwasher connection kit (adapter, hose, etc.) if not already included with your purchase.
Waste King L-3200 already comes with the dishwasher adapter kit, but you may still need to buy a dishwasher connection kit if the dishwasher hose size does not match the included adapter.
See below Amazon products section for dishwasher connection kits for both products.
Note 9:
The InSinkErator unit can simply be wired to your electrical source, but if you prefer to plug it to an electrical outlet, you need to get the InSinkErator CRD-00 Power Cord Kit available on Amazon.
Note that even though the Waste King unit comes with a power cord included, you can also hardwire the unit, if you prefer so. The bottom of the unit is removable allowing you to remove the power cord and hardwire the unit to your power source.
Note 10:
Waste King Legend 3200 comes with an 8-year warranty. The disposer also comes with a lifetime warranty against corrosion. Both warranties are limited to the original purchaser.
InSinkErator Evolution Excel is backed by an exclusive "We Come to You" 7-year in-home limited warranty. This warranty includes free house calls (including parts and labor) for the entire warranty period.
Note 11:
The Amazon prices shown were in effect at the time this article was written and may have changed. For exact prices, please refer to the Amazon products section below. Note that the Amazon price often includes a generous discount to the list price. If a discount exists, both the Amazon price and the list price will be displayed when you click the Amazon product link images below.
So which of the two garbage disposal systems to buy?
The two instant garbage disposers considered here are excellent products as shown by the average rating each had received from Amazon customers at the time this article was written. Indeed, both products had received 4.5 stars (out of 5 stars). There is a good chance that you would be quite happy with either of these two products.
Note that, even though there is quite a large price difference between the two products, there are a couple of important differences that may justify the higher price of InSinkErator Evolution Excel:
Note that, even though there is quite a large price difference between the two products, there are a couple of important differences that may justify the higher price of InSinkErator Evolution Excel:
- The stainless steel 40 oz grind chamber of the InSinkErator Excel features 3 grind stages that truly liquefy food waste while the Waste King unit is a one stage pulverizer.
- The proprietary SoundSeal technology built into the InSinkErator Excel unit makes its operation whisper quiet compared to most other available models.
Compared Garbage Disposal Systems on Amazon
Please click the Amazon US link image below for the garbage disposal system of your choice to see exact price information or to purchase.
Please Note: For non-US customers, when you click the links below, you will be provided with the Amazon links for your country (such as Canada or UK), if the product is available in your country.
Please Note: For non-US customers, when you click the links below, you will be provided with the Amazon links for your country (such as Canada or UK), if the product is available in your country.
Waste King L-3200
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InSinkErator Evolution Excel
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InSinkErator Connection Kits on Amazon
The InSinkErator unit can simply be wired to your electrical source, but if you prefer to plug it to an electrical outlet, you need to get the InSinkErator CRD-00 Power Cord Kit provided below. You will also find below dishwasher connection kits for both units.
InSinkErator CRD-00
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Additional InSinkErator Garbaga Disposal Systems on Amazon
The following InSinkErator garbage disposal units have features similar to those that come with the Evolution Excel unit, but are less powerful (less than 1.0 HP). For more information on these products, please click the Amazon link images provided below:
InSinkErator Evolution Compact 3/4 HP
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InSinkErator Badger 5, 1/2 HP
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Additional Waste King Garbaga Disposal Systems on Amazon
The following Watse King garbage disposal units have features similar to those that come with the L-3200 unit, but Waste King L-80000 is more powerful than the above compared L-3200. The other two are less powerful.
For more information on these products, please click the Amazon link images provided below:
For more information on these products, please click the Amazon link images provided below:
Waste King L-8000, 1 HP
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Waste King L-111, 1/4 HP
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Waste King L-2600 1/2 HP
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Note: InSinKErator and Waste King also make instant hot water dispensers. For a comparison of their best instant hot water dispensers, please click:
A Comparison of InSinkErator and Waste King Instant Hot Water Dispensers
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