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AWB microswitch block (set)
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AWB microswitch block (set) A750511.20

€ 75.32 incl. VAT

Original spare part AWB. Type: Microswitch, 3354 750507. Application: Boiler / ThermoBasic 24.23 WT. Supplier code: A750511.20.

SKU: 8073900 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 / modelThermoMaster VR 23.39 WT and 3 other models
AWB numberA750511.20
Article number8073900
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for AWB ThermoMaster VR 23.39 WT →
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AWB microswitch block (set): original AWB spare part, type: Microswitch. Application: Boiler (ThermoBasic 24.23 WT). Manufacturer number: A750511.20; Instalpunt article number: 8073900.

According to the AWB parts lists, this part fits 4 models, including AWB ThermoBasic 24.23 WT, AWB ThermoMaster VR 23.29 WT and AWB ThermoMaster VR 23.38 W. 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: AWB microswitch block (set) A750511.20

BrandAWB spare parts
AWB manufacturer numberA750511.20
Instalpunt article number8073900
EAN4024074471555
Also known as750507
Part typeMicroswitch (All AWB electrical parts · electrical parts of all brands)
ApplicationBoiler
Suitable for4 AWB models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 75,32 incl. VAT
OriginSupplied through the official technical wholesale channel, under AWB number A750511.20

Fits 4 AWB models

The part AWB microswitch block (set) A750511.20 is in the official parts list of these AWB appliances. Click a model for the complete parts list.

AWB 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 AWB microswitch block (set) A750511.20 fit my appliance?
This part is in the parts list of 4 AWB models, namely the ThermoBasic 24.23 WT, ThermoMaster VR 23.29 WT, ThermoMaster VR 23.38 W, ThermoMaster VR 23.39 WT. 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 AWB microswitch block (set) A750511.20?
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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