Pros

  • •Solid construction with a sturdy internal mechanism despite a plastic outer case, promising durability.
  • •Includes a shiny chrome top piece and a quicelease clamp, making installation easier and adding aesthetic appeal.
  • •Straightforward installation process with clear instructions and compatible with existing plumbing, saving time and effort.
  • •Significantly quieter and with reduced vibration dampening compared to older models, enhancing user comfort.
  • •Effective grinding performance and capable of handling various food waste, including vegetable peels and fish scraps.
  • •Rapidly settles into a quieter operation after initial startup, with noise reducing notably during use.
  • •The decoupling of drain output reduces noise transfer, especially beneficial for upstairs kitchens.
  • •Includes additional accessories like a stainless steel sink cover and black rubber disposal cover.
  • •Lonerm reliability and durability noted by users with over two years of successful use.
  • •Easy wiring process and good customer service support are appreciated.

Cons

  • •The rubber flange is overly restrictive, causing water backup in the sink during operation.
  • •Struggles with certain food types, notably banana peels, which are processed slowly or not at all.
  • •Initial noise levels can be higher than expected, and some units have experienced lingering loudness or rattling.
  • •The plastic outer case may be less durable than metal, raising concerns over lonerm wear.
  • •Needs minor plumbing modifications such as cutting pipes or replacing components for proper fit.
  • •Some users experienced loose parts or minor internal issues, like internal components coming loose.
  • •Slight dissatisfaction with appearance initially, although performance generally compensates.
  • •Despite being advertised as quiet, some found it noisier than their previous units.
  • •The rubber flange and certain plumbing components may require trimming or replacement over time for optimal function.
  • •Complaints about slow performance with specific waste such as banana peels.

Bottom Line

We think that the InSinkErator PRO750 is a solid upgrade for homeowners who prioritize installation ease, noise reduction, and reliable performance—just watch out for some plumbing tweaks and the occasional noisier startup. Its long-term durability and quiet operation make it a good choice, especially for upstairs kitchens. However, if you're looking to process challenging waste like banana peels efficiently or want a more robust metal outer case, you might want to explore other options, potentially including a model with more abrasive waste handling capacity or a more durable build.

Lowest at Amazon
$295.00 at Amazon
Lowest at any Popular Retailer
$318.68 at Walmart
How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 6 retailers to give you the short version.

Where to Buy

Prices last updated: October 9th 2026 3:52 pm
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More Answers

If you're still curious about the InSinkErator PRO750 Garbage Disposer, here are some other answers you might find interesting:

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Is the InSinkErator PRO750 easy to install?

Q&A
Published: July 22nd, 2024
Last Updated: October 8th, 2024

The InSinkErator PRO750 is generally seen as easy to install, but there's something you should know before you dive in. It doesn't come with an electric cord. So, if you plan to plug it into a wall outlet, you'll need to grab a power cord separately. But if your kitchen setup is already hardwired, you're good to go.

From what we've found, folks mostly have a smooth time setting it up themselves. The manufacturer includes a Quick Lock sink mount, which helps make securing it to your sink pretty straightforward. Just make sure you've got all the necessary parts like a power cord and plumbing connectors—think T-connector or P-trap—before you get started.

As for how it operates, the PRO750 comes with MultiGrind technology that handles kitchen scraps in two stages, which really boosts its efficiency. Plus, it has SoundSeal technology, so it's quieter compared to older models and even some other brands like Waste King. People who have used it seem pretty happy with how silently it gets the job done.

One heads up: if your old disposal wasn't hardwired, you might need to

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The InSinkErator PRO750 is a pretty strong 3/4 HP food waste disposal unit that's great for handling a range of food waste. It's got a powerful motor that makes for really effective grinding, which is awesome if you have a busy kitchen.

Plus, it's equipped with SoundSeal technology, so it runs pretty quietly—something that's got people buzzing because, according to our research, many prefer its quieter operation compared to other models.

That said, there's a small thing you should know about installation. The PRO750 doesn't come with a power cord. So if your kitchen setup relies on a standard wall plug and not hardwiring, you'll need to grab a power cord separately.

Our research shows that folks have run into snags because of this, having to make extra purchases for a compatible cord. If your current unit is hardwired, you might not have any trouble at all and could use the existing wiring. But if it's a plug-in model you're replacing, you might have to spring for a cord kit to get everything up and running safely.

In terms of how it performs, once you've got it all set up, the PRO750 gets a lot of praise for its smooth operation and solid grinding power. People find it easy

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If you're aiming for a quieter kitchen, the InSinkErator PRO750 garbage disposal might be worth a look. Based on our research, it's equipped with the manufacturer's SoundSeal technology, which helps keep the noise down compared to many other standard models. People often mention that it runs quietly, which is great if you prefer a more peaceful home.

SoundSeal isn't just about reducing noise; it includes high-quality insulation and anti-vibration components to further lower sound levels while it gets the job done. It should make meal prep and cleanup a bit less disruptive.

You'll find it has a strong 3/4 horsepower motor along with MultiGrind technology, so it can handle a variety of food scraps, even tougher stuff like fish bones. This means it not only operates quietly but also efficiently tackles waste, which should help avoid clogs.

While most folks seem pleased with how quietly it operates, there are a few mentions of noise variations—these might be due to different installation methods or occasional unit differences. Overall, though, most agree that the InSinkErator PRO750 is one of the quieter disposals available, and it still packs a punch when it comes to performance.

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