Storage sensor NTC 0020004238
Available immediately
✓ Original spare part
✓ 100% accuracy of fit
✓ Solves hot water problems
✓ For Vaillant Group brands
✓ Part number: 0020004238

Expected Delivery by DHL on
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Product description
Product description
No hot water? The solution for a faulty hot water system.
A faulty temperature sensor is one of the most common causes of a malfunction in your heating system. original NTC storage sensor (part number 0020004238) This is the exact replacement part to restore a properly functioning and efficient hot water system. Fix the problem quickly, reliably, and sustainably.
Why only an original replacement part is the right choice
Use only genuine spare parts to ensure the reliability, safety, and efficiency of your heating system. This sensor from the Vaillant Group guarantees... 100% perfect fit and adherence to the strictest manufacturer specifications. This avoids installation complications, prevents consequential damage, and ensures the longevity of your system.
Precise measurement for maximum efficiency
The NTC sensor is responsible for precise temperature measurement in the hot water storage tank. Only accurate measurement ensures efficient heating operation and prevents unnecessary cycling of the burner. This saves valuable energy costs..
Broad compatibility within the Vaillant Group
This spare part is compatible with a wide variety of devices from the following brands:
- AWB
- Bulex
- Saunier Duval
- Protherm
- and other brands of the Vaillant Group
IMPORTANT: Please be sure to compare the part number before purchasing. 0020004238 with the data on your part to be replaced or in your system's service documentation to ensure compatibility.
Scope of delivery
Scope of delivery
1 x Storage sensor NTC 0020004238
Technical data
Technical data
- Hersteller: Vaillant Group
- Produkttyp: Speicherfühler NTC (Temperaturfühler)
- Herstellernummer: 0020004238
- EAN: 4024074411130
- Kompatible Marken: u.a. AWB, Bulex, Saunier Duval, Protherm
Country of origin:
- Deutschland
Manufacturer/EU responsible person
Manufacturer/EU responsible person
Vaillant GmbH Berghauser Str. 4042859 Remscheid Germany
Shipment
Shipment
Shipping via DHL – Deutsche Post
Your order will be processed safely and quickly with DHL Sent. For up-to-date information on possible delays or cancellations, please visit this page.
Shipping costs & Delivery times
Germany
Express (1 to 2 working days)
Orders 0kg–1kg: €2.99
Orders 1kg–3kg: €4.99
Orders 3kg–5kg: €5.99
Orders 5kg–10kg: €7.99
Free Shipping
Orders of €60.00 and above: For free
BENELUX (Belgium, Luxembourg, Netherlands)
Express International (1 to 4 working days)
Orders 0kg–1kg: €5.99
Orders 1kg–2kg: €8.99
Orders 2kg–3kg: €9.99
Orders 4kg–12kg: €29.99
Free Shipping
Orders of €60.00 and above: For free
DHL Parcel International Zones 1+2+3 EU
(Austria, Czech Republic, Denmark, France, Poland, Italy, Slovakia, Slovenia, Spain, Sweden, Hungary, Bulgaria, Estonia, Finland, Greece, Croatia, Ireland, Latvia, Lithuania, Portugal, Romania, Malta, Cyprus)
Express International (1 to 4 working days)
Orders 0kg–1kg: €8.99
Orders 1kg–2kg: €13.99
Orders 2kg–3kg: €14.99
Standard International (2 to 8 working days)
Orders 3kg–7kg: €19.99
Free Shipping
Orders of €60.00 and above: For free
Small states (Monaco, San Marino, Andorra, Vatican City, Liechtenstein, Switzerland)
standard
Orders 0kg–1kg: €10.99
Orders 1kg–2kg: €14.99
Orders 2kg–3kg: €15.99
Orders 3kg–4kg: €16.99
Orders of 4kg and above: €19.99
Zone 2 NON EU (United Kingdom)
DHL Parcel International
Orders 1kg–2kg: €18.99
Orders 2kg–3kg: €19.99
Orders 3kg–4kg: €22.99
Orders 4kg–5kg: €26.99
Orders 5kg–7kg: €28.99
International (United Arab Emirates, Australia, Israel, u.a.)
Standard International
Orders 0kg–1kg: €19.99
Orders 1kg–2kg: €25.99
- SHIPPING VIA DHL/GERMAN POST
- 14-DAY RETURN POLICY
- FREE SHIPPING ON ORDERS OVER €60

Three reasons for: The original storage sensor NTC 0020004238
The most important
(Features and benefits) in detail.
Accuracy you can rely on
As an original spare part from the Vaillant Group, this sensor guarantees 100% compatibility and problem-free installation without adjustments.
Restores the efficiency of your heating
Thanks to the precise temperature measurement, your heating will work optimally again, which protects the burner and prevents unnecessary energy consumption.
The quick solution to hot water problems
A defective sensor is a very common source of errors. With this precisely fitting replacement part, the problem can often be solved quickly and inexpensively.
FAQs
Storage sensor NTC 0020004238: Questions and answers
How do I know that my old sensor is defective?
Typical signs are that the water no longer heats up properly, the heating malfunctions or heats irregularly. However, a precise diagnosis should always be made by a specialist.
How do I make sure this replacement part fits my heater?
The most important step is matching the part number. This part has the number 0020004238. Compare this number exactly with the one on your old sensor or in the documents for your heating system.
Can I also use a cheaper, non-original sensor?
This is strongly discouraged. Only original spare parts guarantee the necessary fit, safety and correct communication with the control of your heating, which is essential for efficient and safe operation.
That fits perfectly with your selection
That fits perfectly with your selection
That fits perfectly with your selection
That fits perfectly with your selection
That fits perfectly with your selection
That fits perfectly with your selection
That fits perfectly with your selection
That fits perfectly with your selection
That fits perfectly with your selection
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