De'Longhi
KST220 Thermostat 250°C 250V for Ariete Vintage Oven 18L 0979 AT6251420410
MPN AT6251420410
Low stock: 1 left
Available for express shipping within 24h
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Questions about compatibility?
Questions about compatibility?
Let us help you make sure you're purchasing the right part. You can contact us in several ways and we reply quickly:
- On WhatsApp at +39 351 477 3077
- In chat, by clicking the icon at the bottom right
- By phone at 091-6828368 091-6828368
- By email at info@pgservice.cc
Shipping and returns
Shipping and returns
The order will be processed within 1 working day of the purchase.
- Shipping
Orders are processed within 24 working hours of receiving payment.
The shipping cost is €5.99 for Italy, France, Germany, Spain, the United Kingdom, Austria, Portugal, Poland, the Netherlands, the Czech Republic, Slovakia, Hungary, Belgium, and Luxembourg for orders under €39.99.
For orders over €40.00 to these countries, shipping will be free.
The shipping cost may vary from €5.99 to €44.99 for the rest of the world depending on the destination and the total weight of the order.
Delivery times are indicative and may vary due to temporary courier disruptions or geopolitical events.
PG Service cannot be held responsible for delays caused by strikes, adverse weather conditions, customs delays, or sociopolitical events beyond its control.
Delivery times for Italy are approximately 2-3 working days for 95% of the Italian territory; timing variations may apply for smaller islands, remote locations, or exclaves.
Delivery times for European Union countries may vary from 5 to 15 working days, excluding smaller islands and remote locations.
Delivery times for the rest of the world may vary from 10 to 70 working days and will depend on the international postal system's timings.
Customs costs, duties, import taxes, clearance into your country, or similar events are always the responsibility of the recipient.
- Returns
Returns of items can be made within 14 days of receipt, and transportation costs are the responsibility of the buyer.
Refunds are issued within 7 days of receiving the product.
If you have used our facilitated return service, the shipping costs will be deducted from the total refund amount.
Refunds will be issued using the same payment method used.
The refund covers the entire amount paid by the buyer, excluding shipping costs.
In the case of products received damaged, worn, or missing their internal, external parts, or packaging if present, no refund will be issued. Proof of the product will be provided upon receipt through direct contact.
We recommend always using a traceable shipping method for returning products; in no case will we be held responsible for the loss of the product.
Important product information
Important product information
Read these notes on compatibility, measurements, packaging, photos and technical data before purchase.
Customs data, HS Code and country of origin
The data relating to HS Code, customs code and country of origin, when present, is indicative and does not constitute customs advice. It is reported based on the information available when the product page was created, provided by the manufacturer or found on the product/packaging. This data may change. For specific customs requirements or absolute certainty, we recommend contacting us before purchase.
Product packaging
As we sell spare parts and accessories for household appliances, many items are supplied loose by manufacturers, without printed or dedicated packaging. When original or specific packaging is present, it is normally visible in the item photos. Otherwise, the product may be supplied in neutral packaging or without retail packaging, always with suitable protection for transport.
Item dimensions and measurements
The measurements shown on the product page are taken when the item is created and may have a small indicative tolerance of about 1-3 mm. Compatibility should mainly be checked through the brand and model indicated in the description. If the spare part is purchased for models not included in the compatibility list, we cannot guarantee correct fitting based on measurements alone.
Photos, details and technical specifications
The photos and technical specifications are created or reported with care when the product page is created. The manufacturer may change small aesthetic, construction or technical details over time without notice. Any variations do not affect compatibility when the item is purchased for the models indicated in the description. For use on models not listed as compatible, we recommend contacting us before purchase.
General note
The information on the product page is intended to help the customer choose the correct spare part and does not limit the rights provided by current legislation on the legal guarantee of conformity.
Product origin and safety
Product origin and safety
Customs data
- Country of origin
- China (CN)
- HS code
- 8516900099
Manufacturer
- Company
- De'Longhi Appliances s.r.l.
- Address
- Via L. Seitz, 4731100 Treviso (Treviso)
- Country
- Italy (IT)
- Contact
- Phone: +39800809065 Email: delonghiappliances@pec.delonghiappliances.it Website: https://www.delonghigroup.com/
Responsible person
- Company
- De'Longhi Appliances S.r.l.
- Address
- Via L. Seitz, 4731100 Treviso (Treviso)
- Country
- Italy (IT)
- Contact
- Phone: +39800809065 Email: delonghiappliances@pec.delonghiappliances.it Website: https://www.delonghigroup.com/en
Details and Technical Specifications
- Original Ariete spare part
- MPN (Manufacturer Part Number): AT6251420410
- EAN barcode:
- Country of manufacture: Made in China
- Compatible series (check the models under compatibility):
- Maximum temperature: 250°C
- Operating electrical values: 10A 250V~
- Type of electrical contacts: Normally closed contacts NC
- Codes printed on the spare part: KST220 T250
Dimensions
- Width of supports: 33mm
- Length: 36.5mm
- Height: 38mm
- "D" shaft section: 6x4.8mm
- Diameter of screw fixing hole: 4mm
- Faston: 6.3mm
Generic Operation
What is the function of an adjustable thermostat in an electric oven? This component has the essential task of regulating the cooking chamber temperature. By setting the desired degrees, the temperature regulator turns the heating elements on and off to maintain a stable thermal level, ensuring excellent results without ruining the food.
Symptoms, what problems can a faulty adjustable thermostat cause?
Question: What are the signs that the adjustable thermostat of my Ariete electric oven is faulty?
Answer: The most common signs include an oven that does not heat up, or conversely, one that overheats, charring recipes. Additionally, the knob may not click or activate the operation light.
Question: Does the oven cause a short circuit, can it be the adjustable thermostat?
Answer: Yes, in some cases, if the fastons of the adjustable thermostat are shorted, the part can generate a current surge. The most common cause for the circuit breaker tripping is usually the heating element, that is, the heating resistance.
Installation Instructions
Instructions for installing an adjustable thermostat on an Ariete electric oven: First, absolutely disconnect the power supply. Then, unscrew the back panel or side panel to access the inside. Take a photo of the electrical wires to remember the exact position of the fastons. Remove the wires, take out the screws of the old adjustable thermostat, and extract the component with its sensor from the position. Install the new adjustable thermostat code AT6251420410, carefully repositioning everything and reattaching the fastons as originally placed. Finally, reassemble the casing ensuring that every screw is securely tightened.
Professional Tips
Here are some useful tips to extend the lifespan of your adjustable thermostat. Why do thermostats break? Often, frequent temperature fluctuations or wear on the contacts damage the component internally. To use it correctly, avoid forcing the knob beyond the maximum limit. For cleaning, make sure to disconnect the power before intervening and use a slightly damp cloth without using spray liquids that could penetrate and irreversibly damage the part.
Not what you are looking for?
In addition to the replacement adjustable thermostat, we have a wide range of original Ariete accessories and spare parts available in our catalog. If you cannot find what you need through self-navigation, you can contact us at any time, and we will respond within a few hours, even during holidays and weekends. And if a product is not available, we will do everything possible to find and order it exclusively for you. You can find much more with us beyond spare parts for Ariete electric ovens!
Compatibility (is it suitable for my product?)
This temperature sensor is verified for use on the following Ariete electric oven models. Find the identification label on your appliance and check compatibility. Still unsure? Write to us for immediate support.
Compatible with Tchibo Vintage 18L
00C097909TCCH - 0979 - 379964
00C097909TCD - 0979 - 375934
Vintage 18L
00C097903AR0 - 0979
00C097903ARAS - 0979
00C097903ARCL - 0979
00C097903ARCN - 0979
00C097903ARKR - 0979
00C097903ARPL - 0979
00C097903ARUS - 0979
00C097904AR0 - 0979
00C097904ARAS - 0979
00C097904ARCL - 0979
00C097904ARCN - 0979
00C097904ARID - 0979
00C097904ARKR - 0979
00C097904ARUS - 0979
00C097905AR0 - 0979
00C097905ARAS - 0979
00C097905ARCN - 0979
00C097905ARIT - 0979
00C097905ARKR - 0979
00C097905ARUS - 0979

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For all orders over €40.00, shipping will be free.
Valid only for shipments to Italy, France, Germany, Spain, Austria, Portugal, Poland, Czech Republic, Slovakia and Belgium.
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Not sure about your purchase? Need assistance? Need to return the item?
Contact us, we will find a solution that suits your needs in a very short time!