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Atag Economiser complete set
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Atag Economiser complete set S4782400

€ 723.91 incl. VAT

Original spare part Atag. Type: Economiser. Application: Boiler / A203EC | vanaf 10-2016 OSS2. Supplier code: S4782400.

SKU: 8139725 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 / modelE325EC and 7 other models
Atag numberS4782400
Article number8139725
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Atag E325EC →
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Atag Economiser complete set: original Atag spare part, type: Economiser. Application: Boiler (A203EC | vanaf 10-2016 OSS2). Manufacturer number: S4782400; Instalpunt article number: 8139725.

According to the Atag parts lists, this part fits 8 models, including Atag A203EC | vanaf 10-2016 OSS2, Atag A244EC | vanaf 2008 OSS2 and Atag E264EC ALEC | vanaf 2013 OSS2. 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 Economiser complete set S4782400

BrandAtag spare parts
Atag manufacturer numberS4782400
Instalpunt article number8139725
EAN8719638554077
Part typeEconomiser
ApplicationBoiler
Suitable for8 Atag models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 723,91 incl. VAT
OriginSupplied through the official technical wholesale channel, under Atag number S4782400

Fits 8 Atag models

The part Atag Economiser complete set S4782400 is in the official parts list of these Atag appliances. Click a model for the complete parts list and exploded view.

Atag Boiler (8)

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 Economiser complete set S4782400 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.

Frequently asked questions about this item

Does the Atag Economiser complete set S4782400 fit my appliance?
This part is in the parts list of 8 Atag models, including the A203EC | vanaf 10-2016 OSS2, A244EC | vanaf 2008 OSS2, E264EC ALEC | vanaf 2013 OSS2, E325EC ALEC | vanaf 2013 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 Economiser complete set S4782400?
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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