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Atag expansion vessel pipe
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Atag expansion vessel pipe S4318020

€ 99.12 incl. VAT

Original spare part Atag. Type: Expansion vessel pipe. Application: Boiler / Blauwe Engel SHR 24 T. Delivery time: on request (please contact us). Supplier code: S4318020.

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

SKU: 8139037 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 / modelQ38C and 15 other models
Atag numberS4318020
Article number8139037
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Atag Q38C →
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).
9,0/10 WebwinkelKeur⚠ Made-to-order item: no returns possible iDEAL · Klarna · Bancontact 085-303 7272 ma–vr 08:00–17:00

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Atag expansion vessel pipe: original Atag spare part, type: Expansion vessel pipe. Application: Boiler (Blauwe Engel SHR 24 T). Manufacturer number: S4318020; Instalpunt article number: 8139037.

According to the Atag parts lists, this part fits 16 models, including Atag Blauwe Engel SHR 24 T, Atag Blauwe Engel SHR 35 T and Atag Blauwe Engel SHR 51 T. 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 expansion vessel pipe S4318020

BrandAtag spare parts
Atag manufacturer numberS4318020
Instalpunt article number8139037
EAN8719638543859
Part typeExpansion vessel pipe (All Atag pipes, tubes and hoses · pipes, tubes and hoses of all brands)
ApplicationBoiler
Suitable for16 Atag models (see list)
DeliverySpecial-order item, delivery time on request (please contact us)
Price€ 99,12 incl. VAT
OriginSupplied through the official technical wholesale channel, under Atag number S4318020

Fits 16 Atag models

The part Atag expansion vessel pipe S4318020 is in the official parts list of these Atag appliances. Click a model for the complete parts list and exploded view.

Atag Boiler (16)

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 expansion vessel pipe S4318020 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 spare part is shown as position 104 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

Available: Expansion vessel pipe for the same appliances

This part is currently out of stock. These Atag 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 Atag expansion vessel pipe S4318020 fit my appliance?
This part is in the parts list of 16 Atag models, including the Blauwe Engel SHR 24 T, Blauwe Engel SHR 35 T, Blauwe Engel SHR 51 T, Q25CR | vanaf 2020 OSS2. 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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