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
★★★★★8,8/1052 beoordelingen · WebwinkelKeur verified“snelle levering” — Jan Fakkeldij“Motor bedteld voor kunsthaard. Zeer duidelijk welke ik moest bestellen en zeer snel thuis.” — Bert RoosenburgAll reviews →
Vaillant uniTOWER buffer tank 18 litre
,

Vaillant uniTOWER buffer tank 18 litre 0020269273

€ 450.20 incl. VAT

Original spare part Vaillant. Type: Buffer tank, uniTower. Application: Heat pump / uniTOWER Split VWL 128/5 IS. Supplier code: 0020269273.

SKU: 1120106 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 / modeluniTOWER Split VWL 78/5 IS and 3 other models
Vaillant number0020269273
Article number1120106
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Vaillant uniTOWER Split VWL 78/5 IS →
8,8/10 WebwinkelKeur↺ 14-day cooling-off period 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.

Vaillant uniTOWER buffer tank 18 litre: original Vaillant spare part, type: Buffer tank, uniTower. Application: Heat pump (uniTOWER Split VWL 128/5 IS). Manufacturer number: 0020269273; Instalpunt article number: 1120106.

According to the Vaillant parts lists, this part fits 4 models, including Vaillant uniTOWER Split VWL 58/5 IS, Vaillant uniTOWER Split VWL 78/5 IS and Vaillant uniTOWER Split VWL 128/5 IS. 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: Vaillant uniTOWER buffer tank 18 litre 0020269273

BrandVaillant spare parts
Vaillant manufacturer number0020269273
Instalpunt article number1120106
EAN4024074848951
Part typeBuffer tank
ApplicationHeat pump
Suitable for4 Vaillant models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 450,20 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 0020269273

Fits 4 Vaillant models

The part Vaillant uniTOWER buffer tank 18 litre 0020269273 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list and exploded view.

Vaillant Heat pump (4)

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 Vaillant uniTOWER buffer tank 18 litre 0020269273 fit my appliance?
This part is in the parts list of 4 Vaillant models, namely the uniTOWER Split VWL 58/5 IS, uniTOWER Split VWL 78/5 IS, uniTOWER Split VWL 128/5 IS, uniTOWER VIH QW 190/6 E. 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 Vaillant uniTOWER buffer tank 18 litre 0020269273?
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.

Related products

Help & more

Scroll to Top