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Nefit fan for TopLine
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Nefit fan for TopLine 74589

€ 315.82 incl. VAT

Original spare part Nefit (Bosch). Type: Fan. Application: Boiler / TopLine Aquapower HRC 25 CW4. Supplier code: 74589.

SKU: 8026786 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?
ApplicationBoiler
Series / modelTopLine HR 45 and 10 other models
Nefit (Bosch) number74589
Article number8026786
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Nefit (Bosch) TopLine HR 45 →
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Nefit fan for TopLine: original Nefit spare part, type: Fan. Application: Boiler (TopLine Aquapower HRC 25 CW4). Manufacturer number: 74589; Instalpunt article number: 8026786.

According to the Nefit parts lists, this part fits 11 models, including Nefit (Bosch) TopLine Aquapower+ HRC 25 CW6, Nefit (Bosch) TopLine Aquapower+ HRC 30 CW6 and Nefit (Bosch) TopLine Aquapower HRC 25 CW4. 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: Nefit fan for TopLine 74589

BrandNefit (Bosch) spare parts
Nefit (Bosch) manufacturer number74589
Instalpunt article number8026786
EAN4047416560052
Part typeFan (All Nefit (Bosch) fans · fans of all brands)
ApplicationBoiler
Suitable for11 Nefit (Bosch) models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 315,82 incl. VAT
OriginSupplied through the official technical wholesale channel, under Nefit (Bosch) number 74589

Also known as: rookgasventilator, ventilatormotor, blower.

Fits 11 Nefit (Bosch) models

The part Nefit fan for TopLine 74589 is in the official parts list of these Nefit (Bosch) appliances. Click a model for the complete parts list and exploded view.

Nefit (Bosch) Boiler (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.

More spare parts for this appliance

Does this fit my appliance?

Enter your appliance type, for example as shown on the rating plate. You will see straight away whether the Nefit fan for TopLine 74589 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.

Position on the parts diagram

This part appears on the exploded view of 11 appliances. Open the drawing for the appliance and click the number to check that you have the right part.

Also appears on the drawing of 5 other models.

For which fault is a Nefit (Bosch) fan replaced?

According to the fault code database, these Nefit (Bosch) 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
0C 283The boiler is preparing for a burner start. The fan and pump are activated.
3A 264Fan tacho signal fault. The fan tacho signal was lost during the operating phase.
3C 217The fan speed is irregular during start-up.
3L 214Fan not running during the start-up phase.
3P 216The fan runs too slowly.
3Y 215The fan runs too fast.

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 Nefit fan for TopLine 74589 fit my appliance?
This part is in the parts list of 11 Nefit (Bosch) models, including the TopLine Aquapower+ HRC 25 CW6, TopLine Aquapower+ HRC 30 CW6, TopLine Aquapower HRC 25 CW4, TopLine Aquapower HRC 25 CW5. 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 Nefit fan for TopLine 74589?
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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