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Vaillant venturi 35-38 for ecoTEC plus
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Vaillant venturi 35-38 for ecoTEC plus 0020135124

€ 177.47 incl. VAT

Original spare part Vaillant. Type: Venturi. Application: Boiler / ecoCOMPACT VSC 306/4-5 150. Supplier code: 0020135124.

SKU: 8050173 Categories: , Brand:

Price and stock checked on 20 October 2026.

✓ In stock — delivery usually within 3–5 working days
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?
ApplicationBoiler
Series / modelecoTEC plus VHR 30-34/5-5 R3 and 22 other models
Vaillant number0020135124
Article number8050173
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 →
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 0020135124, this is that part.
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Vaillant venturi 35-38 for ecoTEC plus: original Vaillant spare part, type: Venturi. Application: Boiler (ecoCOMPACT VSC 306/4-5 150). Manufacturer number: 0020135124; Instalpunt article number: 8050173.

According to the Vaillant parts lists, this part fits 23 models, including Vaillant ecoCOMPACT VSC 306/4-5 90, Vaillant ecoCOMPACT VSC 306/4-5 90 R1 and Vaillant ecoCOMPACT VSC 306/4-5 150. 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 venturi 35-38 for ecoTEC plus 0020135124

BrandVaillant spare parts
Vaillant manufacturer number0020135124
Instalpunt article number8050173
EAN4024074617328
Part typeVenturi (All Vaillant gas valves and gas control · gas valves and gas control of all brands)
ApplicationBoiler
Suitable for23 Vaillant models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 177.47 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 0020135124

Fits 23 Vaillant models

The part Vaillant venturi 35-38 for ecoTEC plus 0020135124 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list and exploded view.

Vaillant Boiler (23)

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 venturi 35-38 for ecoTEC plus 0020135124 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 23 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 17 other models.

For which fault is a Vaillant venturi 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.105Gas valve offset in D.052 set incorrectly
F.25Break in the wiring harness of the burner, fan and gas valve
F.26Gas valve stepper motor current implausible
F.27Ionisation signal with gas valves closed

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 venturi 35-38 for ecoTEC plus 0020135124 fit my appliance?
This part is in the parts list of 23 Vaillant models, including the ecoCOMPACT VSC 306/4-5 90, ecoCOMPACT VSC 306/4-5 90 R1, ecoCOMPACT VSC 306/4-5 150, ecoCOMPACT VSC 306/4-5 150 R1. 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 venturi 35-38 for ecoTEC plus 0020135124?
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, as a consumer within 14 days of receipt. You may unpack and inspect the item; for items that have been installed, connected or used (such as circuit boards) we deduct the diminished value. How to register your return is explained 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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