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Atag O-ring 2 pcs
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Atag O-ring 2 pcs S4312300

€ 26.72 incl. VAT

Original spare part Atag. Type: O-ring. Application: Boiler / A203C | vanaf 2008 OSS1. Supplier code: S4312300.

SKU: 8131119 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 / modelA244C and 72 other models
Atag numberS4312300
Article number8131119
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Atag A244C →
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Atag O-ring 2 pcs: original Atag spare part, type: O-ring. Application: Boiler (A203C | vanaf 2008 OSS1). Manufacturer number: S4312300; Instalpunt article number: 8131119.

According to the Atag parts lists, this part fits 73 models, including Atag A203C | vanaf 2008 OSS1, Atag A203EC | vanaf 10-2016 OSS2 and Atag A244CL | vanaf 11-2009 OSS1. 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: Atag O-ring 2 pcs S4312300

BrandAtag spare parts
Atag manufacturer numberS4312300
Instalpunt article number8131119
EAN8719638543477
Part typeO-ring (All Atag gaskets and seals · gaskets and seals of all brands)
ApplicationBoiler
Suitable for73 Atag models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 26.72 incl. VAT
OriginSupplied through the official technical wholesale channel, under Atag number S4312300

Fits 73 Atag models

The part Atag O-ring 2 pcs S4312300 is in the official parts list of these Atag appliances. Click a model for the complete parts list and exploded view.

Atag Boiler (73)

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 O-ring 2 pcs S4312300 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 24 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 18 other models.

Frequently asked questions about this item

Does the Atag O-ring 2 pcs S4312300 fit my appliance?
This part is in the parts list of 73 Atag models, including the A203C | vanaf 2008 OSS1, A203EC | vanaf 10-2016 OSS2, A244CL | vanaf 11-2009 OSS1, A244C | vanaf 2008 up to 11-2009 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 for the Atag O-ring 2 pcs S4312300?
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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