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Nefit water filter DN25
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Nefit water filter DN25 8733702122

€ 17.80 incl. VAT

Original spare part Bosch. Type: Water filter. Application: Heat pump / Compress 3400i AWS (CS3400iAWS 10E). Supplier code: 8733702122.

SKU: 8020139 Categories: , Brand:

Price and stock checked on 20 October 2026.

✓ In stock — delivery usually within 3–5 working days
EU delivery from € 12.95 · Shipping & payment

Price incl. VAT. Any delivery costs are calculated in the basket — see shipping & delivery.

Does this fit my appliance?
ApplicationHeat pump
Series / modelCompress 3400i AWS (CS3400iAWS 10M) and 24 other models
Bosch number8733702122
Article number8020139
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Bosch Compress 3400i AWS (CS3400iAWS 10M) →
Same part, different name. Nefit, e.l.m. leblanc, Buderus and Junkers belong to the same manufacturer group and use the same part numbers: if your e.l.m. leblanc or Buderus or Junkers part carries number 8733702122, this is that part.
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Nefit water filter DN25: original Nefit spare part, type: Water filter. Application: Heat pump (Compress 3400i AWS (CS3400iAWS 10E)). Manufacturer number: 8733702122; Instalpunt article number: 8020139.

According to the Nefit parts lists, this part fits 25 models, including Bosch Compress 3400i AWS (CS3400iAWS 10E), Bosch Compress 3400i AWS (CS3400iAWS 10M) and Bosch Compress 3400i AWS (CS3400iAWS 14E). 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.

Product information: Nefit water filter DN25 8733702122

BrandBosch spare parts
Bosch manufacturer number8733702122
Instalpunt article number8020139
EAN4051516981990
Part typeWater filter (All Bosch filters · filters of all brands)
ApplicationHeat pump
Suitable for25 Bosch models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 17,80 incl. VAT
OriginSupplied through the official technical wholesale channel, under Bosch number 8733702122

Fits 25 Bosch models

The part Nefit water filter DN25 8733702122 is in the official parts list of these Bosch appliances. Click a model for the complete parts list and exploded view.

Bosch Heat pump (25)

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 Nefit water filter DN25 8733702122 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.

Frequently asked questions about this item

Does the Nefit water filter DN25 8733702122 fit my appliance?
This part is in the parts list of 25 Bosch models, including the Compress 3400i AWS (CS3400iAWS 10E), Compress 3400i AWS (CS3400iAWS 10M), Compress 3400i AWS (CS3400iAWS 14E), Compress 3400i AWS (CS3400iAWS 14M). 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 water filter DN25 8733702122?
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 € 12.95 to Austria, Denmark, Italy, Spain and Sweden and € 16.95 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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