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Replacing the Dishwasher Heater Step by Step

Marcin Napierała
September 9, 2025
5 min czytania

The heating element is a key operating part of the dishwasher, which is particularly vulnerable to the deposition of lime deposits, internal water leaks and damage caused by the malfunction of other components of the appliance. Heaters, despite their relatively high susceptibility to breakdowns, are fortunately generally accessible and easy to replace. Check out how to service the device yourself and what to keep in mind when choosing a replacement.

Ecological choice - replacing the heater in the dishwasher

The first signs that the heater is malfunctioning are the smell of burning, the lack of steam when the door is opened or the error code that appears on the display. In some cases, the dishwasher begins to make strange sounds, and an attempt to turn it on is associated with knocking out traffic jams. A damaged circuit causes a puncture, which in turn leads to a cut off of the current supply. The problem, although it seems serious, is easy to solve. You do not need to buy new equipment - replacing the heater in the dishwasher does not require any skills. You can make it yourself or use the help of a professional. By deciding to repair old equipment, you not only save, but also pay off the ecological debt. Repair, do not throw away! And how much does it cost to replace the heater in the dishwasher? Labor costs range from PLN 50 to PLN 200 depending on the region of Poland.

Check it out: Replacing the heater in the washing machine step by step

Removing the used heater from the dishwasher

Broken dishwasher? Replacing the heater does not have to be a problem! Before proceeding with repair work, prepare a set of tools. To efficiently replace the heating element, stock up with a Phillips screwdriver, pliers, pliers, a clamp, a flat screwdriver and a T15 Dexter Torx wrench. After disconnecting the appliance from the electricity, pull the back plate and unscrew the screws from the flow-through heater for the dishwasher. Then remove and loosen the band located on the hose that connects the heater to the pump shaft. To draw tubular heater, grab it and pull it towards you. Act gently and do not pull the element out of the crotch. To avoid problems with reconnecting the wires, take a picture and only then disconnect the wires from the heater.

Choosing and installing a new heater for the dishwasher

As you can see, repairing the heater in the dishwasher on your own is not difficult. Once you get rid of the old element, install a new heater and connect the wires in the order that you immortalized in the photo. An important stage of the actions is to fit the clamp to the gasket in such a way that it adheres to it and at the same time is not too tight. After inserting the heater in the right place and when twisting with screws, it is enough to tighten the band using tweezers. After connecting the ground wire to the back plate and inserting the case into the right place, you can use the device.

Check it out: Replacing the heater in the oven step by step

Practical tips for replacing the heater

Despite the instructions, you do not know how to replace the heater in the dishwasher? It doesn't hurt! Some models have a more complicated construction, so it is better to entrust repair activities to professionals. Is it profitable to professionally replace the heater in the dishwasher? The cost of this service is not high, even if you add to it the purchase of a new part.

Dishwasher heater - how to check if the replacement will be suitable?

If you decide to purchase a spare part, remember that it should have technical characteristics in accordance with the manufacturer's specifications. This applies in particular to data such as rated power, voltage and operating temperature range.

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