How to Replace the Heating Element in a Whirlpool Dishwasher

The heating element in a Whirlpool dishwasher serves two purposes: heating wash water during the cycle for better cleaning and sanitization, and providing radiant heat during the Heated Dry phase to evaporate moisture from dishes. When the element fails, symptoms include dishes not getting clean (water stays cool), the sanitize light not illuminating, excessively long cycle times (the dishwasher waits for temperature that never arrives), or error codes F3E1/F3E2 indicating a thermistor circuit problem that may be caused by an element short.

The element is a circular resistance coil mounted in the bottom of the tub, accessed from underneath the dishwasher. This is an advanced repair because it requires pulling the unit out and working underneath, but the electrical connections are simple.

Before You Start

• Tools needed: Torx T20 driver, 1/4" hex nut driver, adjustable wrench, multimeter, needle-nose pliers, towels, moving blanket
• Parts needed: Heating element ($30-$60, model-specific), element gasket/rubber grommet ($5-$8 if not included)
• Time required: 45-60 minutes
• Difficulty: Advanced
• Safety warning: Disconnect power at the circuit breaker. The heating element connects directly to 120V through the control board relay. A failed element can create a ground fault hazard. Test for zero voltage before touching element terminals.

Step-by-Step Instructions

Step 1: Disconnect Power and Water Supply

Turn off the dedicated dishwasher circuit breaker. Turn off the hot water supply valve under the sink. Open the dishwasher and cancel any pending cycle. Wait 5 minutes for the element to cool if the dishwasher has recently run.

Step 2: Remove the Lower Access Panel

Remove the two 1/4" hex head screws at each end of the kick plate. Pull the panel forward and down. You can now see the underside connections including the element terminals which protrude through the bottom of the tub.

Step 3: Verify the Element Has Failed (Resistance Test)

The heating element terminals are two metal posts protruding through the bottom of the tub, typically connected by push-on spade connectors. With the wires still attached, you cannot test accurately — disconnect both spade connectors by pulling them straight off with needle-nose pliers.

Set your multimeter to resistance (ohms) and touch the probes to the two element terminals:

• Good element: 10-30 ohms (varies by wattage rating)
• Open element (broken internally): Shows OL (open circuit) — element winding has burned through
• Shorted element: Shows near-zero ohms — element is shorting to ground and may trip the breaker

Also test between each terminal and the metal tub (ground): should show OL (no continuity). If you get a reading, the element is shorted to the tub — this is a fire/shock hazard and must be replaced immediately.

Step 4: Pull the Dishwasher Out From Under the Counter

Open the door and remove the two Torx T20 countertop mounting screws at the top inner edge. Close the door. Disconnect the drain hose under the sink (spring clamp, pull off). Disconnect the water supply line at the inlet valve (wrench). Slide the unit forward onto a moving blanket or cardboard.

Step 5: Tip the Dishwasher Back for Underside Access

With the dishwasher pulled out and all connections free, tip it back at approximately 45 degrees (prop against the wall or have someone hold it). You now see the bottom of the tub with the element terminal nuts or retaining clamps.

Step 6: Remove the Old Heating Element Mounting Hardware

The element mounts from inside the tub but is secured from below. The two terminals pass through rubber grommets in the tub bottom and are held by:

• Lock nut style: A metal nut threaded onto each terminal post. Use a wrench or pliers to remove.
• Bracket style: A single metal bracket spans both terminals with screws.

Remove the securing hardware. The element should now be free to push up and out from inside the tub.

Step 7: Remove the Element from Inside the Tub

Set the dishwasher back upright momentarily. Open the door. Remove the lower rack and the lower spray arm (twist nut counterclockwise). The heating element is the exposed ring-shaped coil at the bottom of the tub. With the mounting hardware removed from below, push the element terminals up through the tub floor holes. The element lifts out. Note the rubber grommets/gaskets in the holes — these seal against leaks and will need to transfer to the new element or be replaced.

Step 8: Inspect Gaskets and Clean Mounting Holes

Remove the rubber grommets from the tub holes. Inspect them — if they are cracked, brittle, or compressed flat, replace them. Clean any mineral buildup or corrosion from around the tub holes. A gasket with poor seal will leak onto the floor when the tub fills.

Step 9: Install the New Heating Element

Insert the new element's terminals through the rubber grommets first. Position the grommets into the tub floor holes from inside. The element ring should sit flat against the tub floor without touching the spray arm hub or any plastic components. Route the element in the same position as the original.

Step 10: Secure from Below and Reconnect Wiring

Tip the dishwasher back again. From below:

1. Thread the lock nuts onto the terminal posts (or reinstall the bracket) and tighten until the gasket compresses slightly — just enough to seal. Overtightening distorts the tub floor.
2. Push the spade connectors back onto the terminal posts firmly. They should snap on with a positive click.
3. Verify neither terminal touches the tub metal (maintain air gap).

Step 11: Reinstall the Dishwasher

Slide the unit back into position. Reconnect the water supply line and drain hose. Drive the Torx T20 countertop mounting screws. Replace the kick plate (two 1/4" hex screws). Replace the lower spray arm and rack inside the tub.

Step 12: Test the New Element

Restore power. Run a Normal cycle with Heated Dry selected. After approximately 15-20 minutes, carefully crack the door open (press Pause first) — you should feel warmth/steam indicating the element is heating the water. Let the full cycle complete including the dry phase. Check underneath for any leaks at the element terminal grommets.

If you had F3E1 or F3E2 error codes, enter diagnostic mode (Heated Dry, Normal, Heated Dry within 4 seconds) to clear stored codes after the successful test cycle.

Troubleshooting After Replacement

• Element does not heat (no warmth felt): Verify spade connectors are fully seated on terminals. Check that the control board relay is activating (you will hear a faint click when the heater phase begins). A failed relay on the board means the board needs replacement even with a new element.
• Leak from element terminal area: The gasket is not sealing. Remove the kick plate, dry the area, and check during the next fill. Tighten the lock nut an additional quarter turn. If still leaking, the gasket needs replacement.
• Breaker trips when cycle reaches heating phase: The new element may be defective (short to ground) or the wiring is touching the tub somewhere it should not. Disconnect power, retest ground isolation (terminal to tub should read OL on multimeter).
• Dishes still not clean despite element working: Water temperature alone does not fix cleaning issues. Also check spray arm nozzles and the dual filter system.

When to Call a Professional

• The element is shorted to ground and has caused damage to the control board relay — you may need both a new element and a new board
• You cannot safely tip the dishwasher (very heavy built-in models, no helper available)
• The tub floor holes are corroded through — this is a tub replacement situation, not just an element
• You are uncomfortable making 120V electrical connections

Cost Comparison: DIY vs Professional

Need Professional Help?

• Dishwasher repair service
• Whirlpool appliance repair
• Dishwasher repair cost guide

FAQ

Q: Is the Whirlpool dishwasher heating element exposed inside the tub? Is it safe? A: Yes, the element is an exposed resistance coil at the bottom of the tub (similar to an oven element). It is safe during normal operation because it only activates when the door is locked and the tub is filled with water. However, plastic items placed on the lower rack directly above the element can melt or warp during the Heated Dry phase — always load plastic on the upper rack.

Q: Can I disable Heated Dry to extend element life? A: Yes. Using air-dry or cracking the door after the cycle extends element lifespan significantly since the dry phase is the most stressful (no water to dissipate heat, element runs at full temperature). Many owners use Heated Dry only for sanitize cycles where high temperature is required.

Q: My Whirlpool dishwasher has a condensation drying system — does it still have a heating element? A: Yes. Even models with condensation-assist drying (using the stainless steel tub walls as a condensation surface) still have a heating element for wash water heating and the sanitize option. The element simply runs less during the dry phase on these models.

Q: Error code F3E1 appeared but the element tests fine. What else could it be? A: F3E1 specifically indicates the temperature sensor (thermistor/NTC) circuit is open — not the element itself. The thermistor is a separate small probe in the sump that monitors water temperature. If the element tests within 10-30 ohms, replace the thermistor instead.

---

Need a certified technician? Book same-day repair →