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Eco Heating heat exchanger CB 12+6 HW (EU) S004.500.030.900

€ 4,536.14 incl. VAT

Original spare part Eco Heating Systems. Type: Heat exchanger. Application: Hot water boiler / CB HW 155 (Serienummer 0-505014). Delivery time: approx. 5–10 working days. Supplier code: S004.500.030.900.

Special-order item — delivery time approx. 5–10 working days — non-returnable

SKU: 8440449 Categories: ,

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?
ApplicationHot water boiler
Series / modelCB HW 155 (Serienummer 0-505014)
Eco Heating Systems numberS004.500.030.900
Article number8440449
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
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. 5–10 working days. 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).
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Eco Heating heat exchanger CB 12+6 HW (EU) S004.500.030.900: original Eco Heating spare part, type: Heat exchanger. Application: Hot water boiler (CB HW 155 (Serienummer 0-505014)). Manufacturer number: S004.500.030.900; Instalpunt article number: 8440449.

According to the Eco Heating parts lists, this part fits 1 model: Eco Heating Systems CB HW 155 (Serienummer 0-505014). The full list is under “Fits”.

Special-order item (delivery time approx. 3–5 days): 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: Eco Heating heat exchanger CB 12+6 HW (EU) S004.500.030.900

BrandEco Heating Systems spare parts
Eco Heating Systems manufacturer numberS004.500.030.900
Instalpunt article number8440449
Part typeHeat exchanger (All Eco Heating Systems heat exchangers · heat exchangers of all brands)
ApplicationHot water boiler
Suitable for1 Eco Heating Systems model (see list)
DeliverySpecial-order item, delivery time approx. 5–10 working days
Price€ 4.536,14 incl. VAT
OriginSupplied through the official technical wholesale channel, under Eco Heating Systems number S004.500.030.900

Also known as: wisselaar, rookgaswarmtewisselaar, primaire wisselaar.

Fits 1 Eco Heating Systems model

The part Eco Heating heat exchanger CB 12+6 HW (EU) S004.500.030.900 is in the official parts list of this Eco Heating Systems appliance. Click a model for the complete parts list.

Eco Heating Systems Tapwaterketel (1)

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 Eco Heating Systems heat exchanger replaced?

According to the fault code database, these Eco Heating Systems 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
15Burner door clixon activated by overheating of the burner door or restricted water flow through the heat exchanger, or the rear wall thermal fuse has been activated because the rear wall insulation disc (combustion chamber) is damaged or broken.
16There is no water in the heat exchanger, or the flue gas sensor is not working, or the heat exchanger is overheated.
32Insufficient water flow through the heat exchanger.
33There is no water in the heat exchanger or it is not electrically connected.
34There is no water in the heat exchanger or it is not electrically connected.
105Too little water through the heat exchanger.

All Eco Heating Systems 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 Eco Heating heat exchanger CB 12+6 HW (EU) S004.500.030.900 fit my appliance?
This part is in the parts list of 1 Eco Heating Systems model, namely the CB HW 155 (Serienummer 0-505014). 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. 5–10 working days. 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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