Dishwasher Drain Pump (2024)

Modern dishwashers use one of two pump configurations:

[Control Board] → [Drain Pump Motor] │ [Float Switch] │ │ ▼ [Sump] → [Filter] → [Impeller] → [Check Valve] → [Drain Hose] dishwasher drain pump

Before assuming the pump is broken, you must rule out a blockage. A perfectly working pump cannot push water through a clogged hose. Modern dishwashers use one of two pump configurations:

You’ve just finished a cycle, you open the door expecting sparkling clean dishes, and instead, you find a pool of dirty, stagnant water at the bottom of the tub. you find a pool of dirty