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Atag expansion vessel
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Atag expansion vessel 65120990

€ 121.93 incl. VAT

Original spare part Atag. Type: Expansion vessel. Application: Heat pump / IDM | binnenunit wand. Supplier code: 65120990.

SKU: 8132519 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?
ApplicationHeat pump
Series / modelIDM F and 5 other models
Atag number65120990
Article number8132519
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Atag IDM F →
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Atag expansion vessel: original Atag spare part, type: Expansion vessel. Application: Heat pump (IDM | binnenunit wand). Manufacturer number: 65120990; Instalpunt article number: 8132519.

According to the Atag parts lists, this part fits 6 models, including Atag IDM-L F | binnenunit staand, Atag IDM-L | binnenunit wand and Atag IDM 2Z | binnenunit wand. 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.

Product information: Atag expansion vessel 65120990

BrandAtag spare parts
Atag manufacturer number65120990
Instalpunt article number8132519
EAN5414849373679
Part typeExpansion vessel (expansion vessels of all brands)
ApplicationHeat pump
Suitable for6 Atag models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 121,93 incl. VAT
OriginSupplied through the official technical wholesale channel, under Atag number 65120990

Also known as: cv-expansievat.

Fits 6 Atag models

The part Atag expansion vessel 65120990 is in the official parts list of these Atag appliances. Click a model for the complete parts list and exploded view.

Atag Heat pump (6)

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.

Frequently asked questions about this item

Does the Atag expansion vessel 65120990 fit my appliance?
This part is in the parts list of 6 Atag models, namely the IDM-L F | binnenunit staand, IDM-L | binnenunit wand, IDM 2Z | binnenunit wand, IDM F 2Z | binnenunit staand, IDM F | binnenunit staand, IDM | binnenunit wand. The model type is on the rating plate of your appliance. If in doubt, ask the manufacturer or your installer.
What is the delivery time for the Atag expansion vessel 65120990?
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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