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Itho Daalderop sensor 22 mm Tasseron HRT/OLB/WPU/BWP
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Itho Daalderop sensor 22 mm Tasseron HRT/OLB/WPU/BWP 545-2530

€ 20.77 incl. VAT

Original spare part Itho Daalderop. Type: Sensor, Cold water pipe. Application: Hot water cylinder / OLB 200 DDS. Supplier code: 545-2530.

SKU: 8171367 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?
ApplicationHot water cylinder
Series / modelOLB 500 ES and 69 other models
Itho Daalderop number545-2530
Article number8171367
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Itho Daalderop OLB 500 ES →
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Itho Daalderop sensor 22 mm Tasseron HRT/OLB/WPU/BWP: original Itho Daalderop spare part, type: Sensor, Cold water pipe. Application: Hot water cylinder (OLB 200 DDS). Manufacturer number: 545-2530; Instalpunt article number: 8171367.

According to the Itho Daalderop parts lists, this part fits 70 models, including Itho Daalderop OLB2 90 DDS, Itho Daalderop OLB2 200 DDS and Itho Daalderop OLB2 200 DDSLT. 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: Itho Daalderop sensor 22 mm Tasseron HRT/OLB/WPU/BWP 545-2530

BrandItho Daalderop spare parts
Itho Daalderop manufacturer number545-2530
Instalpunt article number8171367
EAN8712922979136
Part typeSensor (All Itho Daalderop sensors · sensors of all brands)
ApplicationHot water cylinder
Suitable for70 Itho Daalderop models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 20,77 incl. VAT
OriginSupplied through the official technical wholesale channel, under Itho Daalderop number 545-2530

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

Fits 70 Itho Daalderop models

The part Itho Daalderop sensor 22 mm Tasseron HRT/OLB/WPU/BWP 545-2530 is in the official parts list of these Itho Daalderop appliances. Click a model for the complete parts list and exploded view.

Itho Daalderop Hot water cylinder (15)

Itho Daalderop Boiler (4)

Itho Daalderop Heat pump (51)

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 Itho Daalderop sensor 22 mm Tasseron HRT/OLB/WPU/BWP 545-2530 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 25 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 19 other models.

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.

Frequently asked questions about this item

Does the Itho Daalderop sensor 22 mm Tasseron HRT/OLB/WPU/BWP 54 fit my appliance?
This part is in the parts list of 70 Itho Daalderop models, including the OLB2 90 DDS, OLB2 200 DDS, OLB2 200 DDSLT, OLB2 200 ES. 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 Itho Daalderop sensor 22 mm Tasseron HRT/OLB/WPU/BWP 54?
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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