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Vaillant wiring harness for ecoTEC plus (e.g. ecoTEC plus VHR 34/5-5 I R4) 0020135158
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Vaillant wiring harness for ecoTEC plus (e.g. ecoTEC plus VHR 34/5-5 I R4) 0020135158

€ 53.51 incl. VAT

Original spare part Vaillant. Type: Wiring harness. Application: Boiler / ecoTEC plus VHR 34/5-5 I. Delivery time: approx. 7–10 days. Supplier code: 0020135158.

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

SKU: 8050074 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?
ApplicationBoiler
Series / modelecoTEC plus VHR 34/5-5 I R4 and 5 other models
Vaillant number0020135158
Article number8050074
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Vaillant ecoTEC plus VHR 34/5-5 I R4 →
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).
8.9/10 WebwinkelKeur⚠ Made-to-order item: no returns possible iDEAL · Klarna · Bancontact 085-303 7272 ma–vr 08:00–17:00

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Vaillant wiring harness for ecoTEC plus (e.g. ecoTEC plus VHR 34/5-5 I R4) 0020135158: original Vaillant spare part, type: Wiring harness. Application: Boiler (ecoTEC plus VHR 34/5-5 I). Manufacturer number: 0020135158; Instalpunt article number: 8050074.

According to the Vaillant parts lists, this part fits 6 models, including Vaillant ecoTEC plus VHR 34/5-5 I, Vaillant ecoTEC plus VHR 34/5-5 I R1 and Vaillant ecoTEC plus VHR 34/5-5 I R2. 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. Work on gas-carrying parts must be carried out by a qualified gas engineer.

Product information: Vaillant wiring harness for ecoTEC plus (e.g. ecoTEC plus VHR 34/5-5 I R4) 0020135158

BrandVaillant spare parts
Vaillant manufacturer number0020135158
Instalpunt article number8050074
EAN4024074617663
Part typeWiring harness (All Vaillant cables and wiring harnesses · cables and wiring harnesses of all brands)
ApplicationBoiler
Suitable for6 Vaillant models (see list)
DeliverySpecial-order item, delivery time approx. 7–10 days
Price€ 53,51 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 0020135158

Fits 6 Vaillant models

The part Vaillant wiring harness for ecoTEC plus (e.g. ecoTEC plus VHR 34/5-5 I R4) 0020135158 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list and exploded view.

Vaillant Boiler (6)

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 02 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

Available: Wiring harness for the same appliances

This part is currently out of stock. These Vaillant parts of the same type are listed for at least one of the same appliance models and are available.

Before ordering, check the manufacturer number in the spare parts list or exploded view of your appliance.

Frequently asked questions about this item

Does the Vaillant wiring harness for ecoTEC plus (e.g. ecoTEC plus VHR 34/5-5 I R4) 0020135158 fit my appliance?
This part is in the parts list of 6 Vaillant models, namely the ecoTEC plus VHR 34/5-5 I, ecoTEC plus VHR 34/5-5 I R1, ecoTEC plus VHR 34/5-5 I R2, ecoTEC plus VHR 34/5-5 I R3, ecoTEC plus VHR 34/5-5 I R4, ecoTEC plus VHR 34/5-5 I 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 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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