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Zehnder sensor WHR 950 Byp 400300025

€ 60.44 incl. VAT

Original spare part Zehnder Stork. Type: Sensor. Application: MVHR unit / WHR 950-960 Basic. Delivery time: approx. 2–3 weeks. Supplier code: 400300025.

Special-order item — delivery time approx. 2–3 weeks — non-returnable

SKU: 8567093 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?
ApplicationMVHR unit
Series / modelWHR 950-960 Basic and 1 other model
Zehnder Stork number400300025
Article number8567093
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 from the manufacturer or wholesaler, delivery time approx. 2–3 weeks. 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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Zehnder sensor WHR 950 Byp: original Zehnder spare part, type: Sensor. Application: MVHR unit (WHR 950-960 Basic). Manufacturer number: 400300025; Instalpunt article number: 8567093.

According to the Zehnder parts lists, this part fits 2 models, including Zehnder Stork WHR 950-960 Basic and Zehnder Stork WHR 950-960 Luxe. The full list is under “Fits”.

Special-order item (delivery time approx. 2–3 weeks): 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: Zehnder sensor WHR 950 Byp 400300025

BrandZehnder Stork spare parts
Zehnder Stork manufacturer number400300025
Instalpunt article number8567093
EAN8717573475235
Part typeSensor (All Zehnder Stork sensors · sensors of all brands)
ApplicationMVHR unit
Suitable for2 Zehnder Stork models (see list)
DeliverySpecial-order item, delivery time approx. 2–3 weeks
Price€ 60,44 incl. VAT
OriginSupplied through the official technical wholesale channel, under Zehnder Stork number 400300025

Also known as: voeler, temperatuursensor, NTC-sensor.

Fits 2 Zehnder Stork models

The part Zehnder sensor WHR 950 Byp 400300025 is in the official parts list of these Zehnder Stork appliances. Click a model for the complete parts list.

Zehnder Stork MVHR unit (2)

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 Zehnder Stork sensor replaced?

According to the fault code database, these Zehnder Stork 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
A1NTC sensor T1 is defective. (= outdoor air temperature) Green connector.
A10NTC voeler Tch is defect (= temperatuur in de wasemkap).
A11NTC sensor Tah is defective (= post-heater temperature).
A2NTC sensor T2 is defective. (= supply air temperature) Yellow connector.
A3NTC sensor T3 is defective. (= return air temperature) Green connector.
A4NTC sensor T4 is defective. (= exhaust air temperature) Yellow connector.

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: Sensor by Zehnder Stork

This part is currently out of stock. There is no available alternative of this type for the same models. These Zehnder Stork 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 Zehnder sensor WHR 950 Byp 400300025 fit my appliance?
This part is in the parts list of 2 Zehnder Stork models, namely the WHR 950-960 Basic, WHR 950-960 Luxe. 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. 2–3 weeks. 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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