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Atag system interface 65121378 .
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Atag system interface 65121378 .

€ 663.42 incl. VAT

Original spare part Atag. Application: Heat pump / Energion IDU M. Supplier code: 65121378.

Special-order item — delivery time approx. 1–2 weeks — non-returnable

SKU: 8130044 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?
ApplicationHeat pump
Series / modelEnergion IDU M F and 8 other models
ATAG number65121378
Article number8130044
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Atag Energion IDU M F →
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 approx. 1–2 weeks. 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 system interface 65121378 .: original Atag spare part. Application: Heat pump (Energion IDU M). Manufacturer number: 65121378; Instalpunt article number: 8130044.

According to the Atag parts lists, this part fits 9 models, including Atag Energion IDU M, Atag Energion IDU M-L and Atag Energion IDU M-L F. The full list is under “Fits”.

Special-order item: 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.

Product information: Atag system interface 65121378 .

BrandAtag spare parts
Atag manufacturer number65121378
Instalpunt article number8130044
EAN5411692018061
ApplicationHeat pump
Suitable for9 Atag models (see list)
DeliveryMade-to-order item
Price€ 663,42 incl. VAT
OriginSupplied through the official technical wholesale channel, under Atag number 65121378

Fits 9 Atag models

The part Atag system interface 65121378 . is in the official parts list of these Atag appliances. Click a model for the complete parts list and exploded view.

Atag Heat pump (9)

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.

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 system interface 65121378 . 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 9 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 3 other models.

Frequently asked questions about this item

Does the Atag system interface 65121378 . fit my appliance?
This part is in the parts list of 9 Atag models, including the Energion IDU M, Energion IDU M-L, Energion IDU M-L F, Energion IDU M-L F 2Z. 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 approx. 1–2 weeks. 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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