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A.O. Smith air pressure switch 210Pa after 09/2015
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A.O. Smith air pressure switch 210Pa after 09/2015 0309331(S)

€ 110.03 incl. VAT

Original spare part A.O. Smith. Type: Air pressure switch. Application: Hot water cylinder / BFC 100. Supplier code: 0309331(S).

SKU: 8750446 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 / modelBFC 120 (from 09-2009) and 3 other models
A.O. Smith number0309331(S)
Article number8750446
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for A.O. Smith BFC 120 (from 09-2009) →
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A.O. Smith air pressure switch 210Pa after 09/2015: original A.O. Smith spare part, type: Air pressure switch. Application: Hot water cylinder (BFC 100). Manufacturer number: 0309331(S); Instalpunt article number: 8750446.

According to the A.O. Smith parts lists, this part fits 4 models, including A.O. Smith BFC 80 (from 09-2009), A.O. Smith BFC 100 and A.O. Smith BFC 100 (from 09-2009). 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: A.O. Smith air pressure switch 210Pa after 09/2015 0309331(S)

BrandA.O. Smith spare parts
A.O. Smith manufacturer number0309331(S)
Instalpunt article number8750446
EAN8717449218270
Part typeAir pressure switch (All A.O. Smith pressure switches and differential pressure switches · pressure switches and differential pressure switches of all brands)
ApplicationHot water cylinder
Suitable for4 A.O. Smith models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 110,03 incl. VAT
OriginSupplied through the official technical wholesale channel, under A.O. Smith number 0309331(S)

Also known as: drukverschilschakelaar, luchtdrukswitch.

Fits 4 A.O. Smith models

The part A.O. Smith air pressure switch 210Pa after 09/2015 0309331(S) is in the official parts list of these A.O. Smith appliances. Click a model for the complete parts list and exploded view.

A.O. Smith Hot water cylinder (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.

Position on the parts diagram

This spare part is shown as position 12 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

Frequently asked questions about this item

Does the A.O. Smith air pressure switch 210Pa after 09/2015 0309331 fit my appliance?
This part is in the parts list of 4 A.O. Smith models, namely the BFC 80 (from 09-2009), BFC 100, BFC 100 (from 09-2009), BFC 120 (from 09-2009). 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 A.O. Smith air pressure switch 210Pa after 09/2015 0309331?
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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