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Whirlpool Dishwasher Heating Element Replacement - Signs & How-To

3 min read
⚡ Quick Answer

Dishwasher won't heat water or dry dishes, heater circuit faults, or longer cycles. Replacing the heating element restores heat and drying.

Difficulty Intermediate (DIY)
Est. time 15-60 min
Tools Multimeter , nut driver, screwdrivers

Whirlpool Dishwasher Heating Element Replacement — What This Part Does

The heating element in your Whirlpool dishwasher raises the water temperature during the wash cycle and provides heat during the drying phase. It’s a tub-mounted resistive coil that runs on approximately 120 VAC and draws about 6–8 amps when operating. A functioning element typically measures 10–20 ohms across its terminals when tested with a multimeter.

Elements fail when the resistive coil breaks (open circuit), when the high-limit thermostat trips and stays open, or when terminals and wiring corrode. Whirlpool service information directs technicians to verify the complete heating circuit, including the hi-limit safety thermostat, before assuming the element alone is bad. The control may disable heating after detecting a fault and continue the cycle without heat until diagnostics are run and the fault is cleared.

Jump to Replacement Steps

Signs It Needs Replacing

How to Replace It

  1. Disconnect power to the dishwasher at the breaker or unplug the unit, and turn off the water supply valve under the sink.
  2. Remove the lower dish rack and lower spray arm to access the tub floor.
  3. Open the dishwasher door and locate the heating element terminals or mounting nuts on the tub floor (some models require removing the lower access panel beneath the door).
  4. Disconnect the wire leads from the heater terminals and note their position for reassembly.
  5. From beneath the dishwasher, remove the retaining nuts or clips securing the element to the tub and carefully pull the element out through the tub floor.
  6. Insert the new heating element through the tub openings from above, using the new fasteners supplied with the replacement kit (replacement threads may differ from the original hardware).
  7. Tighten the retaining nuts or clips from beneath the tub to seat the element and seal the penetrations.
  8. Reconnect the wire leads to the new element terminals in the same configuration as the original.
  9. Restore power and water, then run a short test cycle and inspect underneath for any leaks at the heater penetrations before reinstalling the lower access panel or toe-kick.

The Part You Need

PartNotes
Dishwasher heating element assemblyAmazon | Find your exact part number on the model and serial plate inside the dishwasher door frame. Whirlpool, KitchenAid, and Maytag dishwashers often share element designs, but verify fitment by model number before ordering.

If this part is failing you may also see one of these codes:

When to Call a Pro

If you’ve replaced the element and the dishwasher still won’t heat, the problem is likely in the high-limit thermostat, wiring harness, or control board. Whirlpool service guidance tells techs to run diagnostics, measure voltage at the heater feed (should be around 120 VAC during the heat step), and verify continuity through the hi-limit safety circuit. If you’re not comfortable working with live voltage testing or running the service diagnostic cycle, call a tech to trace the heater circuit and clear any latched faults in the control.


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