★★★★★
Genuine Vaillant Group NTC storage tank sensor (0020004238) | For AWB, Bulex, Saunier Duval | Spare part for hot water preparation
Genuine Vaillant Group NTC storage tank sensor (0020004238) | For AWB, Bulex, Saunier Duval | Spare part for hot water preparation
In accordance with § 19 (1) UStG, no VAT is charged.
Available immediately
✓ Original spare part
✓ 100% perfect fit
✓ Solves hot water problems
✓ For Vaillant Group brands
✓ Part number: 0020004238

DHL is currently reporting delays due to the peak season. Therefore, we expect delivery on .
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- SHIPPING VIA DHL / GERMAN POST
- 14 DAY RETURN POLICY
- FREE SHIPPING ON ORDERS OVER €60
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 malfunctions in your heating system. This original NTC storage tank sensor (part number 0020004238) is the exact replacement part to restore proper and efficient hot water production. Resolve the problem quickly, reliably, and permanently.
Why only an original replacement part is the right choice
Use only genuine Vaillant spare parts to ensure the reliability, safety, and efficiency of your heating system. This sensor from the Vaillant Group guarantees a 100% perfect fit and compliance with 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, prevents unnecessary cycling of the burner, and thus 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: Before purchasing, please be sure to compare part number 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
- Manufacturer:Vaillant Group
- Product type:NTC storage sensor (temperature sensor)
- Manufacturer number:0020004238
- EAN:4024074411130
- Compatible brands:including AWB, Bulex, Saunier Duval, Protherm
Country of origin:
- Deutschland
Manufacturer / EU responsible person
Manufacturer / EU responsible person
Vaillant GmbH, Berghauser Str. 40, 42859 Remscheid, Germany
Shipment
Shipment
Shipping via DHL – Deutsche Post
Your order will be shipped 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 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, etc.)
Standard International
Orders 0kg–1kg: €19.99
Orders 1kg–2kg: €25.99

Drei Gründe für: The original storage sensor NTC 0020004238
The most important
(Features and benefits) in detail.
A perfect fit you can rely on
As an original spare part from the Vaillant Group, this sensor guarantees 100% compatibility and trouble-free installation without modifications.
Restores the efficiency of your heating system
Thanks to precise temperature measurement, your heating system works optimally again, which protects the burner and prevents unnecessary energy consumption.
The quick solution for hot water problems
A faulty sensor is a very common source of errors. With this perfectly fitting replacement part, the problem is often resolved quickly and cost-effectively.
FAQs
Storage sensor NTC 0020004238 : Questions and Answers
What's included with my purchase?
Typical signs include the water no longer getting properly hot, the heating system malfunctioning, or heating irregularly. However, a qualified technician should always make an accurate diagnosis.
How do I ensure that this spare part fits my heating system?
The most important step is to check the part number. This part has the number 0020004238. Compare this number exactly with the one on your old sensor or in your heating system documentation.
Guarantee tea?
This is strongly discouraged. Only original spare parts guarantee the necessary fit, safety, and correct communication with your heating system's control unit, 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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