Skip to product information
Weiße DHL-markierte Box mit schwarzem Text und Logo. Kaufweise Paket Kaffeemühle-Box mit schwarzem Text und Logo auf braunem Karton. Weiße Box mit ’kaufweise’ Logo, Kartonmaterial. Brauner Pappkarton mit pinker Tastatur darin, beschriftet „kaufweise paket“ in schwarzem Text.

★★★★★

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

Regular price €26,69
Regular price €39,99 Sale price €26,69
YOU SAVE €13,30 Sold out

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 .

  • SHIPPING VIA DHL / GERMAN POST
  • 14 DAY RETURN POLICY
  • FREE SHIPPING ON ORDERS OVER €60

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

1 x Storage sensor NTC 0020004238

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

Vaillant GmbH, Berghauser Str. 40, 42859 Remscheid, Germany

Shipment

DHL logo

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

View full details
Selected Variant Image
Genuine Vaillant Group NTC storage tank...
Regular price €26,69
Regular price €39,99 Sale price €26,69

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

How to buy = Premium brands at unbeatable outlet prices.

Experience exclusive brand products at exceptional prices.
At Kaufweise you will find high-quality items from leading brands – new, accurately described and immediately available.

Rotes und weißes Abus-Sicherheitsschloss.
Rotes und weißes Kanten-Logo-Design auf schwarzem Hintergrund
Motorola-Logo in Blau- und Weißtönen mit einem stilisierten ’m’-Design.
Rotes und weißes Abus-Sicherheitsschloss.
Rotes und weißes Kanten-Logo-Design auf schwarzem Hintergrund
Motorola-Logo in Blau- und Weißtönen mit einem stilisierten ’m’-Design.
Rotes und weißes Abus-Sicherheitsschloss.
Rotes und weißes Kanten-Logo-Design auf schwarzem Hintergrund
Motorola-Logo in Blau- und Weißtönen mit einem stilisierten ’m’-Design.
Rotes und weißes Abus-Sicherheitsschloss.
Rotes und weißes Kanten-Logo-Design auf schwarzem Hintergrund
Motorola-Logo in Blau- und Weißtönen mit einem stilisierten ’m’-Design.
Rotes und weißes Abus-Sicherheitsschloss.
Rotes und weißes Kanten-Logo-Design auf schwarzem Hintergrund
Motorola-Logo in Blau- und Weißtönen mit einem stilisierten ’m’-Design.
Rotes und weißes Abus-Sicherheitsschloss.
Rotes und weißes Kanten-Logo-Design auf schwarzem Hintergrund
Motorola-Logo in Blau- und Weißtönen mit einem stilisierten ’m’-Design.
Rotes und weißes Abus-Sicherheitsschloss.
Rotes und weißes Kanten-Logo-Design auf schwarzem Hintergrund
Motorola-Logo in Blau- und Weißtönen mit einem stilisierten ’m’-Design.
Rotes und weißes Abus-Sicherheitsschloss.
Rotes und weißes Kanten-Logo-Design auf schwarzem Hintergrund
Motorola-Logo in Blau- und Weißtönen mit einem stilisierten ’m’-Design.
Rotes und weißes Abus-Sicherheitsschloss.
Rotes und weißes Kanten-Logo-Design auf schwarzem Hintergrund
Motorola-Logo in Blau- und Weißtönen mit einem stilisierten ’m’-Design.

Why you should order from Kaufweise

We're not just a retailer – we're your partner. Here are 6 reasons why you can shop safely, quickly, and smartly with us.

Deutscher Shop. Deutscher Support

No call center abroad. We are a real team from Gelsenkirchen and your direct contact if you really need help.

Sorgenfrei bezahlen. Immer.

Whether PayPal, Klarna, or invoice. Your data is 100% safe with us. Simply choose what suits you best, and we'll take care of the rest.

Echte Experten. Echte Hilfe.

With us, you won't end up in a botnet. You'll speak to real people who know our products. We're here for you via email or WhatsApp.

Blitzversand aus Deutschland

No dropshipping from overseas. Your package often leaves our warehouse the same day via DHL. Fast, reliable, and with tracking.

Die Community uns.

Ask the others. With 4.99 out of 5 stars on eBay, Trustpilot & Co., it's clear: With us, you not only buy cheaply, but safely.

Optimized for speed and performance

We are your gatekeeper for top brands. With us, you get 100% original new products from Kärcher, Apple & Co. at prices that others can't offer.