How to Replace the Heater in Your Dishwasher

Unplug the dishwasher from the electrical outlet to ensure safety during the repair.

Remove the front decorative panel by unscrewing the four screws.

Unscrew the heater's brackets using a wrench on the nut, typically size 8.

Take a Picture: Before disconnecting anything, take a picture of the wiring for reference during reassembly.

Use a wrench to loosen and remove the nuts securing the heating element terminals. Carefully disconnect the electrical connectors from the heating element.

Unscrew the screw that holds the heater clamped to the cabinet.

Locate the heating element, usually a U-shaped metal tube at the bottom, remove the heater from the dishwasher and take it to a store to match a new one visually.

Install the new heater by reversing the removal process.

Reconnect the wires, ensuring the grounding wire is attached to the external conductive part.

Reattach the heater brackets and ensure the gasket is correctly positioned.

Reattach the bottom access panel and secure it with screws.

Slide the lower dish rack back into place inside the dishwasher.

Turn the water supply back on.

Run a short wash cycle to ensure the heating element works properly. Check for leaks or loose connections under the dishwasher.

If everything is functioning correctly, the replacement is complete.

Acces the hidden hetaer at the back of the dishwasher.

If there is a protective cover over the heating element inside the tub, remove the screws and detach it.

Locate the heating element connections at the back of the dishwasher.

Take a Picture: Before disconnecting anything, take a photo of the wiring for easy reassembly.

Use a wrench to remove the nuts securing the heating element terminals. Gently disconnect the electrical connectors.

Inside the dishwasher, release the heating element from its mounting brackets.

Guide the terminals carefully through the holes at the back of the dishwasher while pulling out the element.

Install the new heater by reversing the removal process.

Insert the new heating element, making sure its terminals go through the designated holes.

Secure the heating element with the mounting brackets inside the dishwasher.

Under the dishwasher, reconnect the electrical wires and tighten the securing nuts with a wrench.

Reinstall the plastic clips and panels as they were originally placed.

Access the flow-through heater at the bottom of the dishwasher.

Take a Picture: Before disconnecting, take a photo of the wiring and hose connections for reference.

Remove the plastic cover secured with small screws to expose the flow-through heater.

Loosen the clamp and disconnect the heater from its position. Use pliers to remove the hose clamps securing the water inlet and outlet hoses.

Use a wrench to remove the nuts securing the electrical connectors, then disconnect the wires.

Remove the heater and replace it with a new one following the same orientation.

Use lubrication and pliers for an easier assembly.

Reattach the clamp ensuring the heater is tightly secured in place.

Reattach the bottom access panel (kickplate) with screws.

Reinstall any remaining components and ensure everything is secured properly.

Push the dishwasher back into place.