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Nefit venturi sealing rings 5 pcs for TopLine and TrendLine etc.
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Nefit venturi sealing rings 5 pcs for TopLine and TrendLine etc. 7099021

€ 33.67 incl. VAT

Original spare part Bosch. Type: Venturi sealing rings, 73642S. Application: Boiler / Compact HRC 24. Supplier code: 7099021.

SKU: 8029542 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 / modelTrendLine HRC25 CW4 and 39 other models
Bosch number7099021
Article number8029542
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Nefit (Bosch) TrendLine HRC25 CW4 →
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Nefit venturi sealing rings 5 pcs for TopLine and TrendLine etc.: original Nefit spare part, type: Venturi sealing rings. Application: Boiler (Compact HRC 24). Manufacturer number: 7099021; Instalpunt article number: 8029542.

According to the Nefit parts lists, this part fits 40 models, including Bosch Compact HRC 24, Bosch Compact HRC 28 and Bosch Compact HRC 30. 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 venturi sealing rings 5 pcs for TopLine and TrendLine etc. 7099021

BrandBosch spare parts
Bosch manufacturer number7099021
Instalpunt article number8029542
EAN4047416097169
Also known as73642S
Part typeVenturi sealing rings
ApplicationBoiler
Suitable for40 Bosch models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 33,67 incl. VAT
OriginSupplied through the official technical wholesale channel, under Bosch number 7099021

Fits 40 Bosch models

The part Nefit venturi sealing rings 5 pcs for TopLine and TrendLine etc. 7099021 is in the official parts list of these Bosch appliances. Click a model for the complete parts list and exploded view.

Bosch Boiler (40)

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 venturi sealing rings 5 pcs for TopLine and TrendLine etc. 7099021 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 34 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 28 other models.

Frequently asked questions about this item

Does the Nefit venturi sealing rings 5 pcs for TopLine and TrendLine etc. 7099021 fit my appliance?
This part is in the parts list of 40 Bosch models, including the Compact HRC 24, Compact HRC 28, Compact HRC 30, EcomLine Elite HRC 24 CW4. 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 venturi sealing rings 5 pcs for TopLine and TrendLine etc. 7099021?
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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