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A.O. Smith condensing heat exchanger 7 turns 0312414(S)
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A.O. Smith condensing heat exchanger 7 turns 0312414(S)

€ 1,319.95 incl. VAT

Original spare part A.O. Smith. Type: Heat exchanger. Application: Water heater / Instano ICW25. Delivery time: approx. 3–4 weeks. Supplier code: 0312414(S).

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

SKU: 8751314 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 € 17.95 · Shipping & payment

Price incl. VAT. Any delivery costs are calculated in the basket — see shipping & delivery.

Does this fit my appliance?
ApplicationWater heater
Series / modelInstano ICW25 and 1 other model
A.O. Smith number0312414(S)
Article number8751314
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for A.O. Smith Instano ICW25 →
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 condensing heat exchanger 7 turns 0312414(S): original A.O. Smith spare part, type: Heat exchanger. Application: Water heater (Instano ICW25). Manufacturer number: 0312414(S); Instalpunt article number: 8751314.

According to the A.O. Smith parts lists, this part fits 2 models, including A.O. Smith Instano ICW25 and A.O. Smith Instano ICW35. 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. Work on gas-carrying parts must be carried out by a qualified gas engineer.

Product information: A.O. Smith condensing heat exchanger 7 turns 0312414(S)

BrandA.O. Smith spare parts
A.O. Smith manufacturer number0312414(S)
Instalpunt article number8751314
EAN8717449289492
Part typeHeat exchanger (heat exchangers of all brands)
ApplicationWater heater
Suitable for2 A.O. Smith models (see list)
DeliverySpecial-order item, delivery time approx. 3–4 weeks
Price€ 1.319,95 incl. VAT
OriginSupplied through the official technical wholesale channel, under A.O. Smith number 0312414(S)

Also known as: wisselaar, rookgaswarmtewisselaar, primaire wisselaar.

Fits 2 A.O. Smith models

The part A.O. Smith condensing heat exchanger 7 turns 0312414(S) is in the official parts list of these A.O. Smith appliances. Click a model for the complete parts list.

A.O. Smith Water heater (2)

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.

For which fault is a A.O. Smith heat exchanger replaced?

According to the fault code database, these A.O. Smith fault codes point to this type of part. Always check first that the code matches the appliance type on the rating plate.

CodeWhat is going on
F03Insufficient pressure difference at the air pressure switch, caused by: - the air supply and flue system - malfunctioning condensate drain - fouled burner - blocked heat exchanger

All A.O. Smith fault codes explained

Indicative: the same code can have a different cause depending on the situation. Have work on gas, flue or burner adjustment carried out by a qualified installer.

Frequently asked questions about this item

Does the A.O. Smith condensing heat exchanger 7 turns 0312414(S) fit my appliance?
This part is in the parts list of 2 A.O. Smith models, namely the Instano ICW25, Instano ICW35. 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?
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 € 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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