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Itho Daalderop pressure sensor AM Aqua-Max
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Itho Daalderop pressure sensor AM Aqua-Max 545-27272

€ 90.20 incl. VAT

Original spare part Itho Daalderop. Type: Sensor. Application: Boiler / Aqua Max HR24 CW4. Supplier code: 545-27272.

Order-on-demand item — delivery time approx. 1–2 weeks — ordered specially for you

SKU: 8170029 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 € 12.95 · Shipping & payment

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

Does this fit my appliance?
ApplicationBoiler
Series / modelAqua Max HR30 CW5 and 2 other models
Itho Daalderop number545-27272
Article number8170029
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Itho Daalderop Aqua Max HR30 CW5 →
Made-to-order item — this spare part is not on our shelf and is ordered specially for you bij de fabrikant, levertijd ca 1-2 weken. Check your appliance type and the part number beforehand. Order-on-demand items also carry a 14-day right of withdrawal for consumers; for a part that has been installed or connected we deduct the diminished value. In doubt? Ask the manufacturer or your installer (see also returns).
9,0/10 WebwinkelKeur⚠ Order-on-demand item: ordered specially for you iDEAL · Klarna · Bancontact 085-303 7272 ma–vr 08:00–17:00

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Itho Daalderop pressure sensor AM Aqua-Max: original Itho Daalderop spare part, type: Sensor. Application: Boiler (Aqua Max HR24 CW4). Manufacturer number: 545-27272; Instalpunt article number: 8170029.

According to the Itho Daalderop parts lists, this part fits 3 models, including Itho Daalderop Aqua Max HR24 CW4, Itho Daalderop Aqua Max HR30 CW5 and Itho Daalderop Aqua Max HR42 CW6. The full list is under “Fits”.

Special-order item: 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 pressure sensor AM Aqua-Max 545-27272

BrandItho Daalderop spare parts
Itho Daalderop manufacturer number545-27272
Instalpunt article number8170029
EAN8712922753507
Part typeSensor (All Itho Daalderop sensors · sensors of all brands)
ApplicationBoiler
Suitable for3 Itho Daalderop models (see list)
DeliveryMade-to-order item
Price€ 90,20 incl. VAT
OriginSupplied through the official technical wholesale channel, under Itho Daalderop number 545-27272

Also known as: voeler, temperatuursensor, NTC-sensor.

Fits 3 Itho Daalderop models

The part Itho Daalderop pressure sensor AM Aqua-Max 545-27272 is in the official parts list of these Itho Daalderop appliances. Click a model for the complete parts list.

Itho Daalderop Boiler (3)

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.

For which fault is a Itho Daalderop sensor replaced?

According to the fault code database, these Itho Daalderop fault codes point to this type of part. Always check first that the code matches the appliance type on the rating plate.

CodeWhat is going on
0 1Flow sensor open circuit (S1)
0 2Return sensor open circuit (S2)
0 5Hot water sensor open circuit (S5)
0 F1Flow sensor short circuit (S1)
0 F2Return sensor short circuit (S2)
0 F5Hot water sensor short circuit (S5)

All Itho Daalderop fault codes explained

Indicative: the same code can have a different cause depending on the situation. Have work on gas, flue or burner adjustment carried out by a qualified installer.

Available: Sensor by Itho Daalderop

This part is currently out of stock. There is no available alternative of this type for the same models. These Itho Daalderop parts of the same type are available, but belong to other models.

Please note: these are not confirmed replacements. Check the manufacturer number in the spare parts list or exploded view of your appliance, or just ask us.

Frequently asked questions about this item

Does the Itho Daalderop pressure sensor AM Aqua-Max 545-27272 fit my appliance?
This part is in the parts list of 3 Itho Daalderop models, namely the Aqua Max HR24 CW4, Aqua Max HR30 CW5, Aqua Max HR42 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. 1–2 weeks. 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?
Yes, as a consumer you also have a 14-day right of withdrawal for an order-on-demand item. Do not install or connect it; for a part that has been installed or connected we deduct the diminished value. 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 € 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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