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Nefit O-ring heat exchanger 29.74 x 3.53 mm (10 pcs) for EcomLine and TopLine
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Nefit O-ring heat exchanger 29.74 x 3.53 mm (10 pcs) for EcomLine and TopLine 7098986

€ 24.74 incl. VAT

Original spare part Nefit (Bosch). Type: O-ring, 79025S 8026560 22314066 4079. Application: Boiler / 9000i AquaPower Plus HRC30 CW6. Supplier code: 7098986.

SKU: 8020257 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 / modelEcomLine Excellent HR 22 and 54 other models
Nefit (Bosch) number7098986
Article number8020257
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Nefit (Bosch) EcomLine Excellent HR 22 →
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Nefit O-ring heat exchanger 29.74 x 3.53 mm (10 pcs) for EcomLine and TopLine: original Nefit spare part, type: O-ring. Application: Boiler (9000i AquaPower Plus HRC30 CW6). Manufacturer number: 7098986; Instalpunt article number: 8020257.

According to the Nefit parts lists, this part fits 55 models, including Nefit (Bosch) 9000i AquaPower Plus HRC30 CW6, Nefit (Bosch) 9000i AquaPower Plus HRC45 CW6 and Nefit (Bosch) 9000i HR25 Solo Wit. 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 O-ring heat exchanger 29.74 x 3.53 mm (10 pcs) for EcomLine and TopLine 7098986

BrandNefit (Bosch) spare parts
Nefit (Bosch) manufacturer number7098986
Instalpunt article number8020257
EAN4047416096933
Also known as79025S, 8026560, 22314066
Part typeO-ring (All Nefit (Bosch) gaskets and seals · gaskets and seals of all brands)
ApplicationBoiler
Suitable for55 Nefit (Bosch) models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 24,74 incl. VAT
OriginSupplied through the official technical wholesale channel, under Nefit (Bosch) number 7098986

Fits 55 Nefit (Bosch) models

The part Nefit O-ring heat exchanger 29.74 x 3.53 mm (10 pcs) for EcomLine and TopLine 7098986 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 (55)

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 O-ring heat exchanger 29.74 x 3.53 mm (10 pcs) for EcomLine and TopLine 7098986 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 48 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 42 other models.

Frequently asked questions about this item

Does the Nefit O-ring heat exchanger 29.74 x 3.53 mm (10 pcs) for EcomLine and TopLine 7098986 fit my appliance?
This part is in the parts list of 55 Nefit (Bosch) models, including the 9000i AquaPower Plus HRC30 CW6, 9000i AquaPower Plus HRC45 CW6, 9000i HR25 Solo Wit, 9000i HR25 Solo Zwart. 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 O-ring heat exchanger 29.74 x 3.53 mm (10 pcs) for EcomLine and TopLine 7098986?
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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