Waste King A1SPC Knight Garbage Disposal Review


Waste King is another very well-known brand that has been producing garbage disposals that offer energy efficiency, reliability, and longevity. The Waste King A1SPC Knight is no different and to prove just how confident Waste King is about their products, they offer a lifetime warranty against corrosion. Many homeowners have the Waste King Garbage disposal installed in their home, because they know that they can trust this brand to grind their leftovers to a very fine consistency.

garbage disposal sink


  • Equipped with a 1HP motor that is capable of producing speeds up to 2800 revolutions per minute
  • Permanent magnet motor, which will offer a longer service life
  • Includes a stainless steel sink flange and positive seal stopper
  • Grinding chamber is constructed out of corrosion-proof glass filled polyester
  • Measurements 16” H X 8 11/16” W
  • Dishwasher drain connection 7/8”
  • Electricity rating 7amp/60 hertz/115 volts

The grinding components are constructed out of stainless steel material that will not rust or corrode, even after long-term use. The 3-Bolt mounting system is universal, which makes it a great replacement for that retired garbage disposal.

See also: InSinkErator Badger 5 Review


The sleeve-type bearings have been permanently lubricated to offer longevity. This is not a 2-stage grinding disposer, but instead it uses the one-pass technology to pulverize the toughest food.

  • Includes a lifetime manufacturer’s warranty
  • Capable of grinding the toughest food products in a matter of seconds
  • Swivel impellers are constructed out of stainless steel material to decrease jamming
  • Extremely easy installation process (snap and lock mount)
  • Includes an 36” electrical power cord kit
  • Continuous feed design

The Waste King A1SPC is equipped with a manual reset, which prevents damage from potential overloads.


The A1SPC is slightly larger than most brands, so be sure to take the time to measure the allotted space, prior to purchase.

Overall Assessment

The Waste King A1SPC is designed to offer reliability, grinding efficiency, and durability. If you are looking for a garbage disposal replacement or new installment, you should look no further than this model.

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