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A.O. Smith inlet safety group
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A.O. Smith inlet safety group 0309926(S)

€ 937.14 incl. VAT

Original spare part A.O. Smith. Type: Inlet. Application: Hot water cylinder / BTL 100. Delivery time: approx. 3–4 weeks. Supplier code: 0309926(S).

Special-order item — delivery time approx. 3–4 weeks — non-returnable

SKU: 8750603 Categories: , Brand:

Price and stock checked on 20 October 2026.

Made-to-order item — ordered specially for you, see delivery time below
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?
ApplicationHot water cylinder
Series / modelBTL 100 and 18 other models
A.O. Smith number0309926(S)
Article number8750603
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for A.O. Smith BTL 100 →
Made-to-order item — this spare part is not on our shelf and is ordered specially for you from the manufacturer or wholesaler, delivery time approx. 3–4 weeks. Specially ordered items cannot be returned: the manufacturer or supplier does not take them back. So check the type number of your appliance and the article number of the spare part beforehand. In doubt? Check with the manufacturer or your installer (see also returns).
9,0/10 WebwinkelKeur⚠ Made-to-order item: no returns possible iDEAL · Klarna · Bancontact 085-303 7272 ma–vr 08:00–17:00

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A.O. Smith inlet safety group: original A.O. Smith spare part, type: Inlet. Application: Hot water cylinder (BTL 100). Manufacturer number: 0309926(S); Instalpunt article number: 8750603.

According to the A.O. Smith parts lists, this part fits 19 models, including A.O. Smith BTL 100, A.O. Smith DRE 52 9kW (from 04-2022) and A.O. Smith DRE 52 9kW (up to 04-2022). The full list is under “Fits”.

Special-order item (delivery time approx. 3–4 weeks): it is ordered specially for you from the manufacturer and is non-returnable.

Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer.

Product information: A.O. Smith inlet safety group 0309926(S)

BrandA.O. Smith spare parts
A.O. Smith manufacturer number0309926(S)
Instalpunt article number8750603
EAN8717449240981
Part typeInlet
ApplicationHot water cylinder
Suitable for19 A.O. Smith models (see list)
DeliverySpecial-order item, delivery time approx. 3–4 weeks
Price€ 937,14 incl. VAT
OriginSupplied through the official technical wholesale channel, under A.O. Smith number 0309926(S)

Fits 19 A.O. Smith models

The part A.O. Smith inlet safety group 0309926(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 (19)

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 A.O. Smith inlet safety group 0309926(S) 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 A.O. Smith inlet safety group 0309926(S) fit my appliance?
This part is in the parts list of 19 A.O. Smith models, including the BTL 100, DRE 52 9kW (from 04-2022), DRE 52 9kW (up to 04-2022), DRE 52 18kW (from 04-2022). 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 of this made-to-order item?
This is a special-order item: we order it specially for you from the wholesaler. The expected delivery time is approx. 3–4 weeks. You can also see the delivery time next to the stock status at the top of this page.
Can I return this made-to-order item?
A specially ordered item is not taken back by the supplier, so returns are not possible. So check the article number and the rating plate of your appliance beforehand. Is something wrong with your order? Then contact us via info@instalpunt.nl. The full terms and conditions are 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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