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Vaillant connection for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020140559
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Vaillant connection for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020140559

€ 43.58 incl. VAT

Original spare part Vaillant. Type: Connection. Application: Boiler / Combiketel Turbo CWK 245/4-5 R4. Supplier code: 0020140559.

SKU: 8050284 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 plus VHR 30-34/5-5 R3 and 62 other models
Vaillant number0020140559
Article number8050284
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Vaillant ecoTEC plus VHR 30-34/5-5 R3 →
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Vaillant connection for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020140559: original Vaillant spare part, type: Connection. Application: Boiler (Combiketel Turbo CWK 245/4-5 R4). Manufacturer number: 0020140559; Instalpunt article number: 8050284.

According to the Vaillant parts lists, this part fits 63 models, including Vaillant Combiketel Turbo CWK 245/4-5 R4, Vaillant Combiketel Turbo VCW 255/4-7 R4 and Vaillant Combiketel VCW 254/4-7 A R6. 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 connection for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020140559

BrandVaillant spare parts
Vaillant manufacturer number0020140559
Instalpunt article number8050284
EAN4024074626191
Part typeConnection
ApplicationBoiler
Suitable for63 Vaillant models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 43,58 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 0020140559

Fits 63 Vaillant models

The part Vaillant connection for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020140559 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list and exploded view.

Vaillant Boiler (63)

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

Does this fit my appliance?

Enter your appliance type, for example as shown on the rating plate. You will see straight away whether the Vaillant connection for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020140559 is in the parts list of that model.

Not found? Check the rating plate of your appliance or search by article number. If in doubt, just email info@instalpunt.nl.

Position on the parts diagram

This part appears on the exploded view of 60 appliances. Open the drawing for the appliance and click the number to check that you have the right part.

Also appears on the drawing of 54 other models.

Frequently asked questions about this item

Does the Vaillant connection for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020140559 fit my appliance?
This part is in the parts list of 63 Vaillant models, including the Combiketel Turbo CWK 245/4-5 R4, Combiketel Turbo VCW 255/4-7 R4, Combiketel VCW 254/4-7 A R6, Combiketel VCW 254/4-7 R4. The model type is on the rating plate of your appliance. Use the “Does this fit my appliance?” search box on this page to check your model. If in doubt, ask the manufacturer or your installer.
What is the delivery time for the Vaillant connection for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020140559?
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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