Field manual · Garbage Disposal

Waste King Legend L-3200 (3/4 HP) and L-8000 (1 HP) disposals: quick sheet

Covers: Waste King Legend series continuous-feed disposals L-3200 (3/4 HP) and L-8000 (1 HP), both corded, built by Anaheim Manufacturing (a Moen company). The batch-feed L-8000TC shares the 1 HP motor class but has its own manual and warranty. For the Legend L-2600 and the Moen GX family see the Anaheim (Waste King / Moen) quick sheet.

Single sourceBrands: Waste King4 components

Two of the most common replacement disposals sold at big-box stores. Both use a high-speed permanent-magnet motor, stainless grind parts in a polymer grind chamber, a pre-installed cord and the twist-on EZ Mount. Most calls are jams, a tripped reset, a leak at the dishwasher inlet or discharge, or a mount that was not fully locked. Deep diagnostics: see the continuous-feed disposal field service manual and the disposal hum, leak and no-power guides.

Safety first

  • Never put a hand in the grind chamber; use tongs, with power off and the unit unplugged.
  • Hard-wired units: breaker off and verify dead before opening the wiring cover.

How it works

A permanent-magnet DC-style motor spins the grind plate at about 2,700 RPM (L-3200) or 2,800 RPM (L-8000). Permanent-magnet units start fast and are less prone to stalling than older induction disposals, but a hard object can still jam them.

Swivel lugs on the plate throw food against a stationary grind ring; water carries the slurry out the 1-1/2 in discharge.

The EZ Mount is a twist-on plastic mount that ships with its own sink flange. It is not the same as a 3-bolt mount; on a swap from a 3-bolt unit, fit the new flange and mount that come in the box.

A manual-reset thermal overload on the bottom of the motor cuts power if the motor overheats or stalls. A hex socket in the bottom center lets you turn the motor by hand to free a jam (power off first).

Components & tests

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Official manufacturer documentation

Always confirm values against the tech sheet for the exact model.

OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work. © 2026 OnCall Tech. Original content; not a reproduction of any manufacturer document.Generic part photos (not of this brand): Inside a worn garbage disposal: rusty grinding plate and lugs seen from the sink by Rthardin, CC BY-SA 3.0

Diagnostic guides for this appliance

Guide · Garbage Disposal

Water spurts from the dishwasher air gap at the sink (blocked disposal inlet, knockout plug, hose)

The air gap is doing its job: when the path from the air gap to the disposal or sink tailpiece is blocked, the water exits at the sink instead of flowing back into the dishwasher. The blockage is almost always downstream: a knockout plug never removed from a new disposal's dishwasher inlet, food packed in the disposal inlet or the hose, a kinked or collapsed hose, or debris inside the air gap itself.

5 steps ~30 mineasy
Guide · Garbage Disposal

Disposal sink-top air switch (push button) not working

An air switch sends a puff of air down a small tube to a power module under the sink, which toggles the outlet the disposal plugs into. Check the disposal itself first, then the tube, the button and the module. Some InSinkErator single-outlet SinkTop Switch modules (2005-2017) were recalled for water entry and overheating.

6 steps ~30 mineasy
Guide · Garbage Disposal

Installing a sink-top air switch for a garbage disposal (button, air tube and power module)

An air switch uses a push button on the sink deck or counter that sends a puff of air down a plastic tube to a power module under the sink. The disposal plugs into the module; each press toggles it on or off. Nothing electrical is on the counter. The module plugs into a grounded 120 V outlet that is always on (not switched). The button fits a standard sink hole or a 1-1/4 in hole drilled in the counter. Dual-outlet modules (used when an instant hot water tank shares the sink) have their own rules for which outlet is switched; read the kit sheet.

5 steps ~40 mineasy

Other garbage disposals manuals

Waste King Legend L-3200 (3/4 HP) and L-8000 (1 HP) disposals: quick sheet · OnCall Tech