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Eco Heating electrode set CB
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Eco Heating electrode set CB S004.500.002.900

€ 47.56 incl. VAT

Original spare part Eco Heating Systems. Type: Electrode set. Application: Boiler / CB CH 105 (Serienummer 0-500012). Supplier code: S004.500.002.900.

SKU: 8440433 Categories: ,

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?
ApplicationBoiler
Series / modelCB CH 155 (Serienummer 0-500014) and 7 other models
Eco Heating Systems numberS004.500.002.900
Article number8440433
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Eco Heating Systems CB CH 155 (Serienummer 0-500014) →
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Eco Heating electrode set CB: original Eco Heating spare part, type: Electrode set. Application: Boiler (CB CH 105 (Serienummer 0-500012)). Manufacturer number: S004.500.002.900; Instalpunt article number: 8440433.

According to the Eco Heating parts lists, this part fits 8 models, including Eco Heating Systems CB CH 85 (Serienummer 0-500011), Eco Heating Systems CB CH 105 (Serienummer 0-500012) and Eco Heating Systems CB CH 125 (Serienummer 0-500013). 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. Work on gas-carrying parts must be carried out by a qualified gas engineer.

Product information: Eco Heating electrode set CB S004.500.002.900

BrandEco Heating Systems spare parts
Eco Heating Systems manufacturer numberS004.500.002.900
Instalpunt article number8440433
Part typeElectrode set (All Eco Heating Systems ignition and ionisation · ignition and ionisation of all brands)
ApplicationBoiler
Suitable for8 Eco Heating Systems models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 47,56 incl. VAT
OriginSupplied through the official technical wholesale channel, under Eco Heating Systems number S004.500.002.900

Fits 8 Eco Heating Systems models

The part Eco Heating electrode set CB S004.500.002.900 is in the official parts list of these Eco Heating Systems appliances. Click a model for the complete parts list.

Eco Heating Systems Boiler (4)

Eco Heating Systems Tapwaterketel (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.

Does this fit my appliance?

Enter your appliance type, for example as shown on the rating plate. You will see straight away whether the Eco Heating electrode set CB S004.500.002.900 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.

For which fault is a Eco Heating Systems electrode set 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
22Poor gas supply, or O2 level in flue gas incorrect, or poor ignition electrode.

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 electrode set CB S004.500.002.900 fit my appliance?
This part is in the parts list of 8 Eco Heating Systems models, including the CB CH 85 (Serienummer 0-500011), CB CH 105 (Serienummer 0-500012), CB CH 125 (Serienummer 0-500013), CB CH 155 (Serienummer 0-500014). 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 for the Eco Heating electrode set CB S004.500.002.900?
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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