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Vaillant thermo-magnet MAG125/7-8250-400/7 MAG/Turbo
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Vaillant thermo-magnet MAG125/7-8250-400/7 MAG/Turbo 170255

€ 46.56 incl. VAT

Original spare part Vaillant. Type: Thermoelectric magnet, 531. Application: Water heater / MAG 135/7 TTB Open. Supplier code: 170255.

SKU: 8051770 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?
ApplicationWater heater
Series / modelMAG 135/71 Open and 10 other models
Vaillant number170255
Article number8051770
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Vaillant MAG 135/71 Open →
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Vaillant thermo-magnet MAG125/7-8250-400/7 MAG/Turbo: original Vaillant spare part, type: Thermoelectric magnet, 531. Application: Water heater (MAG 135/7 TTB Open). Manufacturer number: 170255; Instalpunt article number: 8051770.

According to the Vaillant parts lists, this part fits 11 models, including Vaillant MAG 7/8 Propaan Sine Turbo, Vaillant MAG 135/7 TTB Open and Vaillant MAG 135/71 Open. 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: Vaillant thermo-magnet MAG125/7-8250-400/7 MAG/Turbo 170255

BrandVaillant spare parts
Vaillant manufacturer number170255
Instalpunt article number8051770
EAN4024074141823
Part typeThermoelectric magnet
ApplicationWater heater
Suitable for11 Vaillant models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 46,56 incl. VAT
OriginSupplied through the official technical wholesale channel, under Vaillant number 170255

Fits 11 Vaillant models

The part Vaillant thermo-magnet MAG125/7-8250-400/7 MAG/Turbo 170255 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list.

Vaillant Water heater (11)

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 thermo-magnet MAG125/7-8250-400/7 MAG/Turbo 170255 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 thermo-magnet MAG125/7-8250-400/7 MAG/Turbo 17 fit my appliance?
This part is in the parts list of 11 Vaillant models, including the MAG 7/8 Propaan Sine Turbo, MAG 135/7 TTB Open, MAG 135/71 Open, MAG 135/71 SO17 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 for the Vaillant thermo-magnet MAG125/7-8250-400/7 MAG/Turbo 17?
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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