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Vaillant heat exchanger for ecoTEC and ecoTEC plus
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Vaillant heat exchanger for ecoTEC and ecoTEC plus 0020246710

€ 355.00 incl. VAT

Original spare part Vaillant. Type: Heat exchanger. Application: Boiler / ecoTEC classic VHR 18-24/5-3 EXP R6. Delivery time: approx. 7–10 days. Supplier code: 0020246710.

SKU: 80500543 Categories: , Brand:

Price and stock checked on 20 October 2026.

✓ In stock — delivery usually within 3–5 working days
EU delivery from € 17.95 · Shipping & payment

Price incl. VAT. Any delivery costs are calculated in the basket — see shipping & delivery.

Does this fit my appliance?
ApplicationBoiler
Series / modelecoTEC classic VHR 23-28/5-3 R6 and 4 other models
Vaillant number0020246710
Article number80500543
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Vaillant ecoTEC classic VHR 23-28/5-3 R6 →
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Vaillant heat exchanger for ecoTEC and ecoTEC plus: original Vaillant spare part, type: Heat exchanger. Application: Boiler (ecoTEC classic VHR 18-24/5-3 EXP R6). Manufacturer number: 0020246710; Instalpunt article number: 80500543.

According to the Vaillant parts lists, this part fits 5 models, including Vaillant ecoTEC classic VHR 18-24/5-3 EXP R6, Vaillant ecoTEC classic VHR 18-24/5-3 R6 and Vaillant ecoTEC classic VHR 23-28/5-3 EXP R2. The full list is under “Fits”.

In stock: order before 14:00 and it ships the same working day; delivery within the EU usually takes 3–5 working days.

Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer. Work on gas-carrying parts must be carried out by a qualified gas engineer.

Product information: Vaillant heat exchanger for ecoTEC and ecoTEC plus 0020246710

BrandVaillant spare parts
Vaillant manufacturer number0020246710
Instalpunt article number80500543
EAN4024074801246
Part typeHeat exchanger (All Vaillant heat exchangers · heat exchangers of all brands)
ApplicationBoiler
Suitable for5 Vaillant models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 355,00 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 0020246710

Also known as: wisselaar, rookgaswarmtewisselaar, primaire wisselaar.

Fits 5 Vaillant models

The part Vaillant heat exchanger for ecoTEC and ecoTEC plus 0020246710 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list and exploded view.

Vaillant Boiler (5)

Check the rating plate of your appliance. Not sure whether this part fits? Check with the manufacturer or your installer; with the correct manufacturer number you can order it here directly.

More spare parts for this appliance

Position on the parts diagram

This spare part is shown as position 01 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

For which fault is a Vaillant heat exchanger replaced?

According to the fault code database, these Vaillant fault codes point to this type of part. Always check first that the code matches the appliance type on the rating plate.

CodeWhat is going on
F.042Break in the heat exchanger wiring harness

All Vaillant fault codes explained

Indicative: the same code can have a different cause depending on the situation. Have work on gas, flue or burner adjustment carried out by a qualified installer.

Frequently asked questions about this item

Does the Vaillant heat exchanger for ecoTEC and ecoTEC plus 002 fit my appliance?
This part is in the parts list of 5 Vaillant models, namely the ecoTEC classic VHR 18-24/5-3 EXP R6, ecoTEC classic VHR 18-24/5-3 R6, ecoTEC classic VHR 23-28/5-3 EXP R2, ecoTEC classic VHR 23-28/5-3 R6, ecoTEC plus VHR 20-24/5-5 R6. The model type is on the rating plate of your appliance. If in doubt, ask the manufacturer or your installer.
What is the delivery time for the Vaillant heat exchanger for ecoTEC and ecoTEC plus 002?
This item is in stock. Ordered before 14:00, it ships the same working day and usually arrives within three to five working days.
Can I return this item?
Yes, unused and in the original packaging within 14 days of receipt. Unpacked or fitted items and electronics such as PCBs cannot be returned. How to register a return is explained on returns.
What does shipping cost?
Shipping costs € 17.95 to Austria, Denmark, Italy, Spain and Sweden and € 24.95 to other EU countries. In-stock items ordered before 2 pm are dispatched the same working day; delivery usually takes 3–5 working days. Details: Shipping.
I have a fault code, which part do I need?
Look up the code in the fault code finder: per brand and appliance it shows what the code means and which part goes with it. If the code is listed with this part, the part belongs to that fault.

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