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Atag seal heat exchanger/upper tray 25 kW for OSS1
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Atag seal heat exchanger/upper tray 25 kW for OSS1 S4709100

€ 34.66 incl. VAT

Original spare part Atag. Type: Gasket, Heat exchanger/upper tray. Application: Boiler / A203C | vanaf 2008 OSS1. Supplier code: S4709100.

SKU: 8138115 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 / modelQ25SC 200N OSS1 and 7 other models
Atag numberS4709100
Article number8138115
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Atag Q25SC 200N OSS1 →
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Atag seal heat exchanger/upper tray 25 kW for OSS1: original Atag spare part, type: Gasket, Heat exchanger/upper tray. Application: Boiler (A203C | vanaf 2008 OSS1). Manufacturer number: S4709100; Instalpunt article number: 8138115.

According to the Atag parts lists, this part fits 8 models, including Atag A203C | vanaf 2008 OSS1, Atag A244CL | vanaf 11-2009 OSS1 and Atag E22C | tot 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 seal heat exchanger/upper tray 25 kW for OSS1 S4709100

BrandAtag spare parts
Atag manufacturer numberS4709100
Instalpunt article number8138115
EAN8719638551472
Part typeGasket (All Atag gaskets and seals · gaskets and seals of all brands)
ApplicationBoiler
Suitable for8 Atag models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 34,66 incl. VAT
OriginSupplied through the official technical wholesale channel, under Atag number S4709100

Also known as: seal, sealing ring.

Fits 8 Atag models

The part Atag seal heat exchanger/upper tray 25 kW for OSS1 S4709100 is in the official parts list of these Atag appliances. Click a model for the complete parts list and exploded view.

Atag Boiler (7)

Atag Warmtewisselaar (1)

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 seal heat exchanger/upper tray 25 kW for OSS1 S4709100 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 51 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 Atag seal heat exchanger/upper tray 25 kW for OSS1 S470 fit my appliance?
This part is in the parts list of 8 Atag models, including the A203C | vanaf 2008 OSS1, A244CL | vanaf 11-2009 OSS1, E22C | tot 2009 OSS1, E223C | vanaf 8-2009 OSS1. 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 seal heat exchanger/upper tray 25 kW for OSS1 S470?
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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