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Vaillant connection for e.g. MAG Mini 11-0/1 GX Open 0020135531
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Vaillant connection for e.g. MAG Mini 11-0/1 GX Open 0020135531

€ 29.70 incl. VAT

Original spare part Vaillant. Type: Connection. Application: Water heater / MAG 144/1 G(K-NL)L Open. Delivery time: approx. 7–10 days. Supplier code: 0020135531.

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

SKU: 8050779 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?
ApplicationWater heater
Series / modelMAG Mini 11-0/1 GX Open and 7 other models
Vaillant number0020135531
Article number8050779
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Vaillant MAG Mini 11-0/1 GX Open →
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).
9,0/10 WebwinkelKeur⚠ Made-to-order item: no returns possible iDEAL · Klarna · Bancontact 085-303 7272 ma–vr 08:00–17:00

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Vaillant connection for e.g. MAG Mini 11-0/1 GX Open 0020135531: original Vaillant spare part, type: Connection. Application: Water heater (MAG 144/1 G(K-NL)L Open). Manufacturer number: 0020135531; Instalpunt article number: 8050779.

According to the Vaillant parts lists, this part fits 8 models, including Vaillant MAG 6-0/0 XI-DG Open, Vaillant MAG 6-0/0 XI Open and Vaillant MAG 144/1 G(K-NL)L Open. 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: Vaillant connection for e.g. MAG Mini 11-0/1 GX Open 0020135531

BrandVaillant spare parts
Vaillant manufacturer number0020135531
Instalpunt article number8050779
EAN4024074617960
Part typeConnection
ApplicationWater heater
Suitable for8 Vaillant models (see list)
DeliverySpecial-order item, delivery time approx. 7–10 days
Price€ 29,70 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 0020135531

Fits 8 Vaillant models

The part Vaillant connection for e.g. MAG Mini 11-0/1 GX Open 0020135531 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list.

Vaillant Water heater (8)

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 Vaillant connection for e.g. MAG Mini 11-0/1 GX Open 0020135531 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.

Frequently asked questions about this item

Does the Vaillant connection for e.g. MAG Mini 11-0/1 GX Open 0020135531 fit my appliance?
This part is in the parts list of 8 Vaillant models, including the MAG 6-0/0 XI-DG Open, MAG 6-0/0 XI Open, MAG 144/1 G(K-NL)L Open, MAG Mini 11-0/1 GX-B Open. 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. 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.

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