EU delivery from € 17.95 From stock: fast dispatch to EU countries Delivery across the EU WebwinkelKeur certified Pay securely by card & Klarna
Account
Log in Business login Create business account
Basket
★★★★★8,9/1050 beoordelingen · WebwinkelKeur verified“Motor bedteld voor kunsthaard. Zeer duidelijk welke ik moest bestellen en zeer snel thuis.” — Bert Roosenburg“Nothing to fault” — KM BuiterAll reviews →
ACV expansion vessel 12 litre 3/4. Exc. Delta Pro (pac
,

ACV expansion vessel 12 litre 3/4. Exc. Delta Pro (pac 557A7008

€ 264.74 incl. VAT

Original spare part ACV. Type: Expansion vessel. Application: Boiler / Delta 25-45 Pro (S). Delivery time: approx. 7–10 days. Supplier code: 557A7008.

Special-order item — delivery time approx. 7–10 days — non-returnable

SKU: 8702238 Categories: ,

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?
ApplicationBoiler
Series / modelE-Tech S 160 and 4 other models
ACV number557A7008
Article number8702238
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for ACV E-Tech S 160 →
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. 7–10 days. 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).
8.9/10 WebwinkelKeur⚠ Made-to-order item: no returns possible iDEAL · Klarna · Bancontact 085-303 7272 ma–vr 08:00–17:00

Installer or self-employed engineer? Create a free business account: prices excl. VAT and invoices in your company name.

ACV expansion vessel 12 litre 3/4. Exc. Delta Pro (pac: original ACV spare part, type: Expansion vessel. Application: Boiler (Delta 25-45 Pro (S)). Manufacturer number: 557A7008; Instalpunt article number: 8702238.

According to the ACV parts lists, this part fits 5 models, including ACV Delta 25-45 Pro (S), ACV E-Tech S 160 and ACV E-Tech S 160 V13. The full list is under “Fits”.

Special-order item (delivery time approx. 7–10 days): 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. Work on gas-carrying parts must be carried out by a qualified gas engineer.

Product information: ACV expansion vessel 12 litre 3/4. Exc. Delta Pro (pac 557A7008

BrandACV spare parts
ACV manufacturer number557A7008
Instalpunt article number8702238
Part typeExpansion vessel (expansion vessels of all brands)
ApplicationBoiler
Suitable for5 ACV models (see list)
DeliverySpecial-order item, delivery time approx. 7–10 days
Price€ 264,74 incl. VAT
OriginSupplied through the official technical wholesale channel, under ACV number 557A7008

Also known as: cv-expansievat.

Fits 5 ACV models

The part ACV expansion vessel 12 litre 3/4. Exc. Delta Pro (pac 557A7008 is in the official parts list of these ACV appliances. Click a model for the complete parts list.

ACV Boiler (5)

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.

Available: Expansion vessel by ACV

This part is currently out of stock. There is no available alternative of this type for the same models. These ACV parts of the same type are available, but belong to other models.

Please note: these are not confirmed replacements. Check the manufacturer number in the spare parts list or exploded view of your appliance, or just ask us.

Frequently asked questions about this item

Does the ACV expansion vessel 12 litre 3/4. Exc. Delta Pro (pac 557A7 fit my appliance?
This part is in the parts list of 5 ACV models, namely the Delta 25-45 Pro (S), E-Tech S 160, E-Tech S 160 V13, E-Tech S 240, E-Tech S 240 V13. 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 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. 7–10 days. 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.

Related products

Help & more

Scroll to Top