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Itho Daalderop pump for Klimax 2 230V (e.g. Kli-Max II 42kW CW6) 545-25321
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Itho Daalderop pump for Klimax 2 230V (e.g. Kli-Max II 42kW CW6) 545-25321

€ 426.40 incl. VAT

Original spare part Itho Daalderop. Type: Pump, HR42. Application: Boiler / Kli-Max I 20-22 HRT CW3. Delivery time: approx. 2–3 weeks. Supplier code: 545-25321.

SKU: 8171369 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 / modelKli-Max II 42kW CW6 and 3 other models
Itho Daalderop number545-25321
Article number8171369
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Itho Daalderop Kli-Max II 42kW CW6 →
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Itho Daalderop pump for Klimax 2 230V (e.g. Kli-Max II 42kW CW6) 545-25321: original Itho Daalderop spare part, type: Pump, HR42. Application: Boiler (Kli-Max I 20-22 HRT CW3). Manufacturer number: 545-25321; Instalpunt article number: 8171369.

According to the Itho Daalderop parts lists, this part fits 4 models, including Itho Daalderop Kli-Max I 20-22 HRT CW3, Itho Daalderop Kli-Max I 36-42 HRT CW5+ and Itho Daalderop Kli-Max I 42-54 HRT CW6. 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: Itho Daalderop pump for Klimax 2 230V (e.g. Kli-Max II 42kW CW6) 545-25321

BrandItho Daalderop spare parts
Itho Daalderop manufacturer number545-25321
Instalpunt article number8171369
EAN8712922750339
Part typePump (All Itho Daalderop pumps · pumps of all brands)
ApplicationBoiler
Suitable for4 Itho Daalderop models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 426,40 incl. VAT
OriginSupplied through the official technical wholesale channel, under Itho Daalderop number 545-25321

Also known as: cv-pomp, circulatiepomp.

Fits 4 Itho Daalderop models

The part Itho Daalderop pump for Klimax 2 230V (e.g. Kli-Max II 42kW CW6) 545-25321 is in the official parts list of these Itho Daalderop appliances. Click a model for the complete parts list.

Itho Daalderop Boiler (4)

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.

Frequently asked questions about this item

Does the Itho Daalderop pump for Klimax 2 230V (e.g. Kli-Max II 42kW CW6) 545-25321 fit my appliance?
This part is in the parts list of 4 Itho Daalderop models, namely the Kli-Max I 20-22 HRT CW3, Kli-Max I 36-42 HRT CW5+, Kli-Max I 42-54 HRT CW6, Kli-Max II 42kW CW6. 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 Itho Daalderop pump for Klimax 2 230V (e.g. Kli-Max II 42kW CW6) 545-25321?
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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