EU delivery from € 17.95 From stock: fast dispatch to EU countries Delivery across the EU WebwinkelKeur certified Pay securely by card & Klarna
Account
Log in Business login Create business account
Basket
★★★★★9,0/1051 beoordelingen · WebwinkelKeur verified“snelle levering” — Jan Fakkeldij“Motor bedteld voor kunsthaard. Zeer duidelijk welke ik moest bestellen en zeer snel thuis.” — Bert RoosenburgAll reviews →
Itho Daalderop cap nut M5 = set of 4 pcs Klimax 1
,

Itho Daalderop cap nut M5 = set of 4 pcs Klimax 1 545-2037

€ 23.75 incl. VAT

Original spare part Itho Daalderop. Type: Cap nut. Application: Boiler / Kli-Max I 20-22 HRT CW3. Delivery time: approx. 7–10 days. Supplier code: 545-2037.

Special-order item — delivery time approx. 7–10 days — non-returnable

SKU: 8170090 Categories: , Brand:

Price and stock checked on 20 October 2026.

Made-to-order item — ordered specially for you, see delivery time below
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 I 42-54 HRT CW6 and 4 other models
Itho Daalderop number545-2037
Article number8170090
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Itho Daalderop Kli-Max I 42-54 HRT CW6 →
Made-to-order item — this spare part is not on our shelf and is ordered specially for you from the manufacturer or wholesaler, delivery time approx. 7–10 days. Specially ordered items cannot be returned: the manufacturer or supplier does not take them back. So check the type number of your appliance and the article number of the spare part beforehand. In doubt? Check with the manufacturer or your installer (see also returns).
9,0/10 WebwinkelKeur⚠ Made-to-order item: no returns possible iDEAL · Klarna · Bancontact 085-303 7272 ma–vr 08:00–17:00

Installer or self-employed engineer? Create a free business account: prices excl. VAT and invoices in your company name.

Itho Daalderop cap nut M5 = set of 4 pcs Klimax 1: original Itho Daalderop spare part, type: Cap nut. Application: Boiler (Kli-Max I 20-22 HRT CW3). Manufacturer number: 545-2037; Instalpunt article number: 8170090.

According to the Itho Daalderop parts lists, this part fits 5 models, including Itho Daalderop Kli-Max I 20-22 HRT CW3, Itho Daalderop Kli-Max I 24-28 HRT CW4 and Itho Daalderop Kli-Max I 30-36 HRT CW5. The full list is under “Fits”.

Special-order item (delivery time approx. 7–10 days): it is ordered specially for you from the manufacturer and is non-returnable.

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 cap nut M5 = set of 4 pcs Klimax 1 545-2037

BrandItho Daalderop spare parts
Itho Daalderop manufacturer number545-2037
Instalpunt article number8170090
EAN8712922953495
Part typeCap nut
ApplicationBoiler
Suitable for5 Itho Daalderop models (see list)
DeliverySpecial-order item, delivery time approx. 7–10 days
Price€ 23,75 incl. VAT
OriginSupplied through the official technical wholesale channel, under Itho Daalderop number 545-2037

Fits 5 Itho Daalderop models

The part Itho Daalderop cap nut M5 = set of 4 pcs Klimax 1 545-2037 is in the official parts list of these Itho Daalderop appliances. Click a model for the complete parts list.

Itho Daalderop Boiler (5)

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 cap nut M5 = set of 4 pcs Klimax 1 54 fit my appliance?
This part is in the parts list of 5 Itho Daalderop models, namely the Kli-Max I 20-22 HRT CW3, Kli-Max I 24-28 HRT CW4, Kli-Max I 30-36 HRT CW5, Kli-Max I 36-42 HRT CW5+, Kli-Max I 42-54 HRT 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 of this made-to-order item?
This is a special-order item: we order it specially for you from the wholesaler. The expected delivery time is approx. 7–10 days. You can also see the delivery time next to the stock status at the top of this page.
Can I return this made-to-order item?
A specially ordered item is not taken back by the supplier, so returns are not possible. So check the article number and the rating plate of your appliance beforehand. Is something wrong with your order? Then contact us via info@instalpunt.nl. The full terms and conditions are 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.

Related products

Help & more

Scroll to Top