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Vaillant sensor for ecoTEC
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Vaillant sensor for ecoTEC 0020209505

€ 157.63 incl. VAT

Original spare part Vaillant. Type: Sensor. Application: Boiler / ecoTEC exclusive VHR 25/36 CF/1-7. Supplier code: 0020209505.

SKU: 80500505 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 exclusive VHR NL 25-35/5-7 and 3 other models
Vaillant number0020209505
Article number80500505
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Vaillant ecoTEC exclusive VHR NL 25-35/5-7 →
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Vaillant sensor for ecoTEC: original Vaillant spare part, type: Sensor. Application: Boiler (ecoTEC exclusive VHR 25/36 CF/1-7). Manufacturer number: 0020209505; Instalpunt article number: 80500505.

According to the Vaillant parts lists, this part fits 4 models, including Vaillant ecoTEC exclusive VHR 25/36 CF/1-7, Vaillant ecoTEC exclusive VHR 34/43 CF/1-7 and Vaillant ecoTEC exclusive VHR NL 25-35/5-7. 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 sensor for ecoTEC 0020209505

BrandVaillant spare parts
Vaillant manufacturer number0020209505
Instalpunt article number80500505
EAN4024074744499
Part typeSensor (All Vaillant temperature sensors and NTC sensors · temperature sensors and NTC sensors of all brands)
ApplicationBoiler
Suitable for4 Vaillant models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 157,63 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 0020209505

Fits 4 Vaillant models

The part Vaillant sensor for ecoTEC 0020209505 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list and exploded view.

Vaillant Boiler (4)

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.

Position on the parts diagram

This spare part is shown as position 03 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

Frequently asked questions about this item

Does the Vaillant sensor for ecoTEC 0020209505 fit my appliance?
This part is in the parts list of 4 Vaillant models, namely the ecoTEC exclusive VHR 25/36 CF/1-7, ecoTEC exclusive VHR 34/43 CF/1-7, ecoTEC exclusive VHR NL 25-35/5-7, ecoTEC exclusive VHR NL 35-45/5-7. 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 for the Vaillant sensor for ecoTEC 0020209505?
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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