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Amazon Price: $163.69 $163.38 You save: $0.31 (%). (as of January 20, 2019 11:00 am – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

The Waste King Knight smashes through toughest waste with ease (view larger).

The Waste King Knight 1.0-horsepower disposal (model A1SPC) showcases an ultra-powerful motor, new Snap and Lock mounting system, stainless steel grinding components, exclusive Silencer technology, and a corrosion-proof grinding chamber for efficient, no-fuss waste disposal. Once installed, this continuous-feed waste disposer will more than earn its place in your kitchen.

Experience a More Powerful Grind

Featuring an energy-efficient, high-speed, 2,700 RPM permanent magnet motor featuring Waste King's One Pass technology, the Knight offers more power per pound than comparative disposers. This 1.0-horsepower motor will grind just about anything, and it requires 115 volts, 60 Hertz, and 7.0 current-amps to operate.

See larger image.

Jam-Free, Mess-Free Feeds

The Waste King Knight is a continuous-feed disposal, which means you can add waste while the unit runs. Stainless steel swivel impellers reduce jamming.

Grinding Components Minimize Noise and Wear

Because the Knight’s grinding chamber is made of glass-filled nylon, you will never have to worry about corrosion. Also, the stainless steel grinding components are insulated, so you'll get the quietest grind possible.

Easy Installation; Works with Septic Tanks

The Knight includes Waste King's Snap and Lock mounting system to allow easy replacement for most existing disposers. The disposer is safe for properly sized septic tanks and comes with a 36-inch power cord.

Lifetime In-Home Service Warranty

The Waste King Knight is backed by a limited mechanical warranty. This means that if your disposal develops a material or mechanical defect within the lifetime of the original purchaser, it will be replaced in your home — free of charge. The disposer also comes with a lifetime warranty against corrosion.

What's in the Box The Waste King Knight 1.0-horsepower disposal, Snap and Lock Mounting System, drain elbow, and power cord.

A1SPC Knight Garbage Disposal

At a Glance 2,700 RPM permanent magnet motor Snap and Lock mounting system easily replaces most existing disposers One-Pass technology — no multi-stage chambers needed, motor powers through waste in one pulverizing pass Exclusive Silencer technology — same material used to sound-proof music studios Stainless steel swivel impellers reduce jamming Lifetime mechanical and corrosion warranties

Technical Details

  • Full Armor Plating
  • Industrial Sound Insulation
  • Universal Mounting System
  • Power Cord included
  • 2700 one-pass technology

Customer Reviews

Cadillac of Disposals

 on July 14, 2016
By Jim Phillips
Wow this this is quiet and easy to install. All the bells and whistles too. Kit comes complete with everything including a power cord.

Beautiful well-built as quiet as a disposal can be but …

 on January 25, 2017
By Matt
Beautiful well-built as quiet as a disposal can be but big, you need a lot of space under your sink to fit this beast. You can’t beat this price with the quality and warranties that are given.

10-minute install replacement for Badger

 on November 12, 2016
By J. Beams
Drop-in replacement for my old disposal that stopped functioning. Turns out my old unit (a Badger 5 1/2hp) used the same mount as this one, so I asked my wife if she cared about having a shiny new ring in the sink or the old stainless one that already matched the sink. She didn’t care so I kept the old mount and just installed this using that one. The drain fitting is in the same location as well, so my straight drain pipe mated right up with the new disposal drain mount hardware.

Multi stage grinder that is VERY VERY quiet! High quality build that looks awesome under our stainless steel farmhouse sink

 on March 10, 2018
By JoyceG
Feel like I am rating quite a few things 5 Stars today, but they are really well deserved … and this is one of them.

Great buy overall!

 on June 1, 2018
By Elena Panchenko
Love our new Garbage Disposal.

Just installed, To be Continued if I really love it.

 on December 1, 2015
By E. O. Poole
Bigger than the old InSinkErator Evolution Compact, more horsepower, a lot LOUDER; but with a Lifetime Warranty, well worth the purchase. Didn’t like the 10 year InSinkErator Evolution Excel warranty. Stand by your product for the lifetime of your product!

Definitely the KING of disposals.

 on June 28, 2018
By Alkemyst
Excellent disposal. This is about as quiet as you will find a disposal to be and it’s extremely powerful. They designed this unit to last forever, you won’t find the typical crappy construction like a Badger that requires replacement every 3-5 years and are noisy as can be.

Brand new but so-far-so-good

 on January 4, 2014
By Daine P
Today is Jan 4 2014 – Check back in a few months for an update but I installed this last night and can make a few observations;
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