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AWB automatic air vent 1/4"
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AWB automatic air vent 1/4" A750715.21

€ 22.76 incl. VAT

Original spare part AWB. Type: Air vent. Application: Boiler / ThermoMaster 3HR 24. Supplier code: A750715.21.

SKU: 8078750 Categories: ,

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 3HR 24 and 9 other models
AWB numberA750715.21
Article number8078750
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for AWB ThermoMaster 3HR 24 →
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AWB automatic air vent 1/4": original AWB spare part, type: Air vent. Application: Boiler (ThermoMaster 3HR 24). Manufacturer number: A750715.21; Instalpunt article number: 8078750.

According to the AWB parts lists, this part fits 10 models, including AWB Thermo-ProNOx HR 20.41 WT, AWB Thermo-ProNOx HR 30.41 WT and AWB ThermoMaster 3HR 24. 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 automatic air vent 1/4" A750715.21

BrandAWB spare parts
AWB manufacturer numberA750715.21
Instalpunt article number8078750
EAN4024074471661
Part typeAir vent (All AWB valves · valves of all brands)
ApplicationBoiler
Suitable for10 AWB models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 22,76 incl. VAT
OriginSupplied through the official technical wholesale channel, under AWB number A750715.21

Fits 10 AWB models

The part AWB automatic air vent 1/4" A750715.21 is in the official parts list of these AWB appliances. Click a model for the complete parts list.

AWB Boiler (10)

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 AWB automatic air vent 1/4" A750715.21 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 AWB automatic air vent 1/4" A750715.21 fit my appliance?
This part is in the parts list of 10 AWB models, including the Thermo-ProNOx HR 20.41 WT, Thermo-ProNOx HR 30.41 WT, ThermoMaster 3HR 24, ThermoMaster 3HR 24 P. 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 AWB automatic air vent 1/4" A750715.21?
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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