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Rewind reconditioned fan for Bosch Topline HR 50/70 (73924)
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Rewind reconditioned fan for Bosch Topline HR 50/70 (73924)

€ 254.83 incl. VAT

Original spare part Nefit (Bosch). Type: Fan, Topline HR 50/70, 73924, 5-year warranty instead of standard 2 years. Application: Boiler / TopLine HR 50 II.

SKU: 8930174 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 70 II and 2 other models
Article number8930174
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Nefit (Bosch) TopLine HR 70 II →
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Rewind reconditioned fan for Bosch Topline HR 50/70 (73924): original Rewind spare part, type: Fan, Topline HR 50/70, 5-year warranty instead of standard 2 years. Application: Boiler (TopLine HR 50 II).

According to the Rewind parts lists, this part fits 3 models, including Nefit (Bosch) TopLine HR 50 II, Nefit (Bosch) TopLine HR 70 and Nefit (Bosch) TopLine HR 70 II. 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: Rewind reconditioned fan for Bosch Topline HR 50/70 (73924)

BrandNefit (Bosch) spare parts
Instalpunt article number8930174
Also known as73924
Part typeFan (All Nefit (Bosch) fans · fans of all brands)
ApplicationBoiler
Suitable for3 Nefit (Bosch) models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 254,83 incl. VAT
OriginSupplied via official technical distribution

Also known as: rookgasventilator, ventilatormotor, blower.

Fits 3 Nefit (Bosch) models

The part Rewind reconditioned fan for Bosch Topline HR 50/70 (73924) 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 (3)

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

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 Rewind reconditioned fan for Bosch Topline HR 50/70 (73924) fit my appliance?
This part is in the parts list of 3 Nefit (Bosch) models, namely the TopLine HR 50 II, TopLine HR 70, TopLine HR 70 II. 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 Rewind reconditioned fan for Bosch Topline HR 50/70 (73924)?
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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