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ACV expansion vessel 10 litre heating
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ACV expansion vessel 10 litre heating 557A7006

€ 193.34 incl. VAT

Original spare part ACV. Type: Expansion vessel. Application: Boiler / E-Tech W 09 Mono. Supplier code: 557A7006.

SKU: 8705263 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 / modelE-Tech W 09 Mono and 6 other models
ACV number557A7006
Article number8705263
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for ACV E-Tech W 09 Mono →
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ACV expansion vessel 10 litre heating: original ACV spare part, type: Expansion vessel. Application: Boiler (E-Tech W 09 Mono). Manufacturer number: 557A7006; Instalpunt article number: 8705263.

According to the ACV parts lists, this part fits 7 models, including ACV E-Tech W 09 Mono, ACV E-Tech W 09 Tri and ACV E-Tech W 15 Mono. 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: ACV expansion vessel 10 litre heating 557A7006

BrandACV spare parts
ACV manufacturer number557A7006
Instalpunt article number8705263
Part typeExpansion vessel (expansion vessels of all brands)
ApplicationBoiler
Suitable for7 ACV models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 193,34 incl. VAT
OriginSupplied through the official technical wholesale channel, under ACV number 557A7006

Also known as: cv-expansievat.

Fits 7 ACV models

The part ACV expansion vessel 10 litre heating 557A7006 is in the official parts list of these ACV appliances. Click a model for the complete parts list.

ACV Boiler (7)

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 ACV expansion vessel 10 litre heating 557A7006 fit my appliance?
This part is in the parts list of 7 ACV models, including the E-Tech W 09 Mono, E-Tech W 09 Tri, E-Tech W 15 Mono, E-Tech W 15 Tri. 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 ACV expansion vessel 10 litre heating 557A7006?
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 € 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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