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ACV temperature switch sensor 90° C + 1.5m capillary
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ACV temperature switch sensor 90° C + 1.5m capillary 54442045

€ 79.28 incl. VAT

Original spare part ACV. Type: Thermostat. Application: Boiler / Delta 25-45 Pro (S). Supplier code: 54442045.

SKU: 8700035 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?
ApplicationBoiler
Series / modelE-Tech W 09 Mono and 11 other models
ACV number54442045
Article number8700035
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for ACV E-Tech W 09 Mono →
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ACV temperature switch sensor 90° C + 1.5m capillary: original ACV spare part, type: Thermostat. Application: Boiler (Delta 25-45 Pro (S)). Manufacturer number: 54442045; Instalpunt article number: 8700035.

According to the ACV parts lists, this part fits 12 models, including ACV Delta 25-45 Pro (S), ACV Delta 55 Pro (S) and ACV E-Tech P 57-115-144. 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: ACV temperature switch sensor 90° C + 1.5m capillary 54442045

BrandACV spare parts
ACV manufacturer number54442045
Instalpunt article number8700035
Part typeThermostat (All ACV thermostats and controls · thermostats and controls of all brands)
ApplicationBoiler
Suitable for12 ACV models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 79,28 incl. VAT
OriginSupplied through the official technical wholesale channel, under ACV number 54442045

Also known as: maximaalthermostaat, ketelthermostaat.

Fits 12 ACV models

The part ACV temperature switch sensor 90° C + 1.5m capillary 54442045 is in the official parts list of these ACV appliances. Click a model for the complete parts list.

ACV Boiler (12)

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 ACV temperature switch sensor 90° C + 1.5m capillary 54442045 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 ACV temperature switch sensor 90° C + 1.5m capillary 54442045 fit my appliance?
This part is in the parts list of 12 ACV models, including the Delta 25-45 Pro (S), Delta 55 Pro (S), E-Tech P 57-115-144, E-Tech P 201-259. 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 ACV temperature switch sensor 90° C + 1.5m capillary 54442045?
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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