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Vaillant thermo-element MAG135/11/12 275/9/-440/9/10
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Vaillant thermo-element MAG135/11/12 275/9/-440/9/10 171175

€ 47.08 incl. VAT

Original spare part Vaillant. Type: Thermocouple, 5173. Application: Water heater / MAG 11, 12 Open Propaan. Supplier code: 171175.

SKU: 8051840 Categories: , Brand:
✓ In stock — delivered in 3–5 working days
Delivery € 9.95 (AT, DK, ES, IT, SE) / € 12.95 (other EU countries), free from € 199 · 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 number171175
Article number8051840
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-element MAG135/11/12 275/9/-440/9/10: original Vaillant spare part, type: Thermocouple. Application: Water heater (MAG 11, 12 Open Propaan). Manufacturer number: 171175; Instalpunt article number: 8051840.

According to the Vaillant parts lists, this part fits 11 models, including Vaillant MAG 7/8 Propaan Sine Turbo, Vaillant MAG 11, 12 Open Propaan and Vaillant MAG 135/7 TTB Open. The full list is under “Fits”.

This item is in stock and usually arrives within 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-element MAG135/11/12 275/9/-440/9/10 171175

BrandVaillant spare parts
Vaillant manufacturer number171175
Instalpunt article number8051840
EAN4024074142615
Part typeThermocouple (All Vaillant thermostats and controls · thermostats and controls of all brands)
ApplicationWater heater
Suitable for11 Vaillant models (see list)
DeliveryIn stock – delivered in 3–5 working days
Price€ 47.08 incl. VAT
OriginGenuine manufacturer part, under Vaillant number 171175

Fits 11 Vaillant models

The part Vaillant thermo-element MAG135/11/12 275/9/-440/9/10 171175 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-element MAG135/11/12 275/9/-440/9/10 171175 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.

For which fault is a Vaillant thermocouple replaced?

According to the fault code database, these Vaillant fault codes point to this type of part. Always check first that the code matches the appliance type on the rating plate.

CodeWhat is going on
F.279The hot gas thermostat switches the heat pump off if the pressure in the refrigerant circuit is too high. After a waiting time the heat pump makes another start attempt. After three consecutive failed start attempts an error is displayed. Refrigerant circuit temperature max.: 130 °C. Waiting time: 5 min (after the first occurrence). Waiting time: 30 min. (after the second and each subsequent occurrence). Error counter reset when both conditions are met: heat demand without premature switch-off. 60 min of trouble-free operation.

All Vaillant fault codes explained

Indicative: the same code can have a different cause depending on the situation. Have work on gas, flue or burner adjustment carried out by a qualified installer.

Frequently asked questions about this item

Does the Vaillant thermo-element MAG135/11/12 275/9/-440/9/10 17 fit my appliance?
This part is in the parts list of 11 Vaillant models, including the MAG 7/8 Propaan Sine Turbo, MAG 11, 12 Open Propaan, MAG 135/7 TTB Open, MAG 135/11 XZ 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-element MAG135/11/12 275/9/-440/9/10 17?
This item is in stock and usually arrives within 3–5 working days.
Can I return this item?
Yes, as a consumer within 14 days of receipt. You may unpack and inspect the item; for items that have been installed, connected or used (such as circuit boards) we deduct the diminished value. How to register your return is explained on returns.
What does shipping cost?
Shipping costs € 9.95 to Austria, Denmark, Italy, Spain and Sweden and € 12.95 to other EU countries; free delivery from € 199. In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). 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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