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Atag air pressure switch
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Atag air pressure switch S4123200

€ 222.10 incl. VAT

Original spare part Atag. Type: Air pressure switch, S4123200 44130000 71001000. Application: Boiler / Blauwe Engel CMA 350. Delivery time: on request (please contact us). Supplier code: S4123200.

Special-order item — delivery time on request (please contact us) — non-returnable

SKU: 8131020 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 / modelBR 27T and 16 other models
Atag numberS4123200
Article number8131020
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Benraad BR 27T →
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 on request (please contact us). 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).
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Atag air pressure switch: original Atag spare part, type: Air pressure switch. Application: Boiler (Blauwe Engel CMA 350). Manufacturer number: S4123200; Instalpunt article number: 8131020.

According to the Atag parts lists, this part fits 17 models, including Atag Blauwe Engel CMA 350, Atag Blauwe Engel CMA 650 and Atag Blauwe Engel CMA 950. The full list is under “Fits”.

Special-order item (delivery time on request (please contact us)): 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: Atag air pressure switch S4123200

BrandAtag spare parts
Atag manufacturer numberS4123200
Instalpunt article number8131020
EAN8719638541084
Also known as44130000, 71001000
Part typeAir pressure switch (pressure switches and differential pressure switches of all brands)
ApplicationBoiler
Suitable for17 Atag models (see list)
DeliverySpecial-order item, delivery time on request (please contact us)
Price€ 222,10 incl. VAT
OriginSupplied through the official technical wholesale channel, under Atag number S4123200

Also known as: drukverschilschakelaar, luchtdrukswitch.

Fits 17 Atag models

The part Atag air pressure switch S4123200 is in the official parts list of these Atag appliances. Click a model for the complete parts list and exploded view.

Atag Boiler (17)

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 Atag air pressure switch S4123200 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 11 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 5 other models.

Available: Air pressure switch by Atag

This part is currently out of stock. There is no available alternative of this type for the same models. These Atag 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 Atag air pressure switch S4123200 fit my appliance?
This part is in the parts list of 17 Atag models, including the Blauwe Engel CMA 350, Blauwe Engel CMA 650, Blauwe Engel CMA 950, Blauwe Engel CZA 350. 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 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 on request (please contact us). 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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