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Vaillant heat exchanger for climaVAIR 3,5 kW R32 VAI5-035WNO 0020258283

€ 291.52 incl. VAT

Original spare part Vaillant. Type: Heat exchanger. Application: Air conditioning outdoor unit / climaVAIR 3,5 kW R32 VAI5-035WNO. Delivery time: approx. 7–10 days. Supplier code: 0020258283.

Order-on-demand item — delivery time approx. 7–10 days — ordered specially for you

SKU: 80501998 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 € 12.95 · 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 3,5 kW R32 VAI5-035WNO
Vaillant number0020258283
Article number80501998
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
Made-to-order item — this spare part is not on our shelf and is ordered specially for you bij de fabrikant, levertijd ca 7-10 dagen. Check your appliance type and the part number beforehand. Order-on-demand items also carry a 14-day right of withdrawal for consumers; for a part that has been installed or connected we deduct the diminished value. In doubt? Ask the manufacturer or your installer (see also returns).
Same part, different name. Vaillant, Bulex and Saunier Duval belong to the same manufacturer group and use the same part numbers: if your Bulex or Saunier Duval part carries number 0020258283, this is that part.
9,0/10 WebwinkelKeur⚠ Order-on-demand item: ordered specially for you iDEAL · Klarna · Bancontact 085-303 7272 ma–vr 08:00–17:00

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Vaillant heat exchanger for climaVAIR 3,5 kW R32 VAI5-035WNO 0020258283: original Vaillant spare part, type: Heat exchanger. Application: Air conditioning outdoor unit (climaVAIR 3,5 kW R32 VAI5-035WNO). Manufacturer number: 0020258283; Instalpunt article number: 80501998.

According to the Vaillant parts lists, this part fits 1 model: Vaillant climaVAIR 3,5 kW R32 VAI5-035WNO. 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 climaVAIR 3,5 kW R32 VAI5-035WNO 0020258283

BrandVaillant spare parts
Vaillant manufacturer number0020258283
Instalpunt article number80501998
EAN8432607185033
Part typeHeat exchanger (All Vaillant heat exchangers · heat exchangers of all brands)
ApplicationAir conditioning outdoor unit
Suitable for1 Vaillant model (see list)
DeliverySpecial-order item, delivery time approx. 7–10 days
Price€ 291,52 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 0020258283

Also known as: wisselaar, rookgaswarmtewisselaar, primaire wisselaar.

Fits 1 Vaillant model

The part Vaillant heat exchanger for climaVAIR 3,5 kW R32 VAI5-035WNO 0020258283 is in the official parts list of this Vaillant appliance. Click a model for the complete parts list.

Vaillant Air conditioning outdoor unit (1)

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 climaVAIR 3,5 kW R32 VAI5-035WNO 0020258283 fit my appliance?
This part is in the parts list of 1 Vaillant model, namely the climaVAIR 3,5 kW R32 VAI5-035WNO. 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?
Yes, as a consumer you also have a 14-day right of withdrawal for an order-on-demand item. Do not install or connect it; for a part that has been installed or connected we deduct the diminished value. 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 € 12.95 to Austria, Denmark, Italy, Spain and Sweden and € 16.95 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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