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A.O. Smith ignition cable
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A.O. Smith ignition cable 0303729(S)

€ 49.54 incl. VAT

Original spare part A.O. Smith. Type: Cable. Application: Hot water cylinder / BTI 100. Delivery time: approx. 3–4 weeks. Supplier code: 0303729(S).

Order-on-demand item — delivery time approx. 3–4 weeks — ordered specially for you

SKU: 8750413 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 / modelBTI 100 and 2 other models
A.O. Smith number0303729(S)
Article number8750413
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for A.O. Smith BTI 100 →
Made-to-order item — this spare part is not on our shelf and is ordered specially for you bij de fabrikant, levertijd ca 3-4 weken. Check your appliance type and the part number beforehand. Order-on-demand items also carry a 14-day right of withdrawal for consumers; for a part that has been installed or connected we deduct the diminished value. In doubt? Ask the manufacturer or your installer (see also returns).
9,0/10 WebwinkelKeur⚠ Order-on-demand item: ordered specially for you Card · Klarna · Apple Pay +31 85 303 7272 Mon–Fri 08:00–17:00

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A.O. Smith ignition cable: original A.O. Smith spare part, type: Cable. Application: Hot water cylinder (BTI 100). Manufacturer number: 0303729(S); Instalpunt article number: 8750413.

According to the A.O. Smith parts lists, this part fits 3 models, including A.O. Smith BTI 65, A.O. Smith BTI 85 and A.O. Smith BTI 100. 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 ignition cable 0303729(S)

BrandA.O. Smith spare parts
A.O. Smith manufacturer number0303729(S)
Instalpunt article number8750413
EAN8717449196141
Part typeCable (All A.O. Smith cables and wiring harnesses · cables and wiring harnesses of all brands)
ApplicationHot water cylinder
Suitable for3 A.O. Smith models (see list)
DeliverySpecial-order item, delivery time approx. 3–4 weeks
Price€ 49.54 incl. VAT
OriginSupplied through the official technical wholesale channel, under A.O. Smith number 0303729(S)

Fits 3 A.O. Smith models

The part A.O. Smith ignition cable 0303729(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 (3)

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 10 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

Available: Cable by A.O. Smith

This part is currently out of stock. There is no available alternative of this type for the same models. These A.O. Smith parts of the same type are available, but belong to other models.

Please note: these are not confirmed replacements. Check the manufacturer number in the spare parts list or exploded view of your appliance, or just ask us.

Frequently asked questions about this item

Does the A.O. Smith ignition cable 0303729(S) fit my appliance?
This part is in the parts list of 3 A.O. Smith models, namely the BTI 65, BTI 85, BTI 100. 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 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?
Yes, as a consumer you also have a 14-day right of withdrawal for an order-on-demand item. Do not install or connect it; for a part that has been installed or connected we deduct the diminished value. 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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