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Vaillant heat exchanger for e.g. climaVAIR 4,0 kW R32 VAF5-040W2NO 0020263825
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Vaillant heat exchanger for e.g. climaVAIR 4,0 kW R32 VAF5-040W2NO 0020263825

€ 350.03 incl. VAT

Original spare part Vaillant. Type: Heat exchanger. Application: Air conditioning outdoor unit / climaVAIR 4,0 kW R32 VAF5-040W2NO. Delivery time: approx. 7–10 days. Supplier code: 0020263825.

Special-order item — delivery time approx. 7–10 days — non-returnable

SKU: 80502016 Categories: , Brand:

Price and stock checked on 20 October 2026.

Made-to-order item — ordered specially for you, see delivery time below
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?
ApplicationAir conditioning outdoor unit
Series / modelclimaVAIR 4,0 kW R32 VAF5-040W2NO and 1 other model
Vaillant number0020263825
Article number80502016
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Vaillant climaVAIR 4,0 kW R32 VAF5-040W2NO →
Made-to-order item — this spare part is not on our shelf and is ordered specially for you from the manufacturer or wholesaler, delivery time approx. 7–10 days. Specially ordered items cannot be returned: the manufacturer or supplier does not take them back. So check the type number of your appliance and the article number of the spare part beforehand. In doubt? Check with the manufacturer or your installer (see also returns).
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Vaillant heat exchanger for e.g. climaVAIR 4,0 kW R32 VAF5-040W2NO 0020263825: original Vaillant spare part, type: Heat exchanger. Application: Air conditioning outdoor unit (climaVAIR 4,0 kW R32 VAF5-040W2NO). Manufacturer number: 0020263825; Instalpunt article number: 80502016.

According to the Vaillant parts lists, this part fits 2 models, including Vaillant climaVAIR 4,0 kW R32 VAF5-040W2NO and Vaillant climaVAIR 5,0 kW R32 VAF5-050W2NO. The full list is under “Fits”.

Special-order item (delivery time approx. 7–10 days): it is ordered specially for you from the manufacturer and is non-returnable.

Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer.

Product information: Vaillant heat exchanger for e.g. climaVAIR 4,0 kW R32 VAF5-040W2NO 0020263825

BrandVaillant spare parts
Vaillant manufacturer number0020263825
Instalpunt article number80502016
EAN8432607187563
Part typeHeat exchanger (All Vaillant heat exchangers · heat exchangers of all brands)
ApplicationAir conditioning outdoor unit
Suitable for2 Vaillant models (see list)
DeliverySpecial-order item, delivery time approx. 7–10 days
Price€ 350,03 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 0020263825

Also known as: wisselaar, rookgaswarmtewisselaar, primaire wisselaar.

Fits 2 Vaillant models

The part Vaillant heat exchanger for e.g. climaVAIR 4,0 kW R32 VAF5-040W2NO 0020263825 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list.

Vaillant Air conditioning outdoor unit (2)

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.

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.

Available: Heat exchanger by Vaillant

This part is currently out of stock. There is no available alternative of this type for the same models. These Vaillant parts of the same type are available, but belong to other models.

Please note: these are not confirmed replacements. Check the manufacturer number in the spare parts list or exploded view of your appliance, or just ask us.

Frequently asked questions about this item

Does the Vaillant heat exchanger for e.g. climaVAIR 4,0 kW R32 VAF5-040W2NO 0020263825 fit my appliance?
This part is in the parts list of 2 Vaillant models, namely the climaVAIR 4,0 kW R32 VAF5-040W2NO, climaVAIR 5,0 kW R32 VAF5-050W2NO. 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 of this made-to-order item?
This is a special-order item: we order it specially for you from the wholesaler. The expected delivery time is approx. 7–10 days. You can also see the delivery time next to the stock status at the top of this page.
Can I return this made-to-order item?
A specially ordered item is not taken back by the supplier, so returns are not possible. So check the article number and the rating plate of your appliance beforehand. Is something wrong with your order? Then contact us via info@instalpunt.nl. The full terms and conditions are 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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