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Remeha heat exchanger Quinta 25/W21 S56418

€ 1,646.23 incl. VAT

Original spare part Remeha. Type: Heat exchanger, S52104. Application: Boiler / Quinta 10 Solo. Delivery time: approx. 7–10 days. Supplier code: S56418.

Order-on-demand item — delivery time approx. 7–10 days — ordered specially for you

SKU: 8017719 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?
ApplicationBoiler
Series / modelW21 Eco Solo and 4 other models
Remeha numberS56418
Article number8017719
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 bij de fabrikant, levertijd ca 7-10 dagen. 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).
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Remeha heat exchanger Quinta 25/W21: original Remeha spare part, type: Heat exchanger. Application: Boiler (Quinta 10 Solo). Manufacturer number: S56418; Instalpunt article number: 8017719.

According to the Remeha parts lists, this part fits 5 models, including Remeha Quinta 10 Solo, Remeha Quinta 25 Combi and Remeha Quinta 25 Solo. The full list is under “Fits”.

Special-order item (delivery time approx. 7–10 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. Work on gas-carrying parts must be carried out by a qualified gas engineer.

Product information: Remeha heat exchanger Quinta 25/W21 S56418

BrandRemeha spare parts
Remeha manufacturer numberS56418
Instalpunt article number8017719
EAN8713809015558
Also known asS52104
Part typeHeat exchanger (All Remeha heat exchangers · heat exchangers of all brands)
ApplicationBoiler
Suitable for5 Remeha models (see list)
DeliverySpecial-order item, delivery time approx. 7–10 days
Price€ 1,646.23 incl. VAT
OriginSupplied through the official technical wholesale channel, under Remeha number S56418

Also known as: wisselaar, rookgaswarmtewisselaar, primaire wisselaar.

Fits 5 Remeha models

The part Remeha heat exchanger Quinta 25/W21 S56418 is in the official parts list of these Remeha appliances. Click a model for the complete parts list and exploded view.

Remeha Boiler (5)

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 2001 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

For which fault is a Remeha heat exchanger replaced?

According to the fault code database, these Remeha 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
4Maximum heat exchanger temperature rise exceeded
E 408Unit on E_12 and condenser inlet temperature rises by more than 10 °C within 1 hour.
E 420Open circuit or short circuit of condenser inlet temperature sensor.
E 444Evaporator temperature sensor defective

All Remeha 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.

Available: Heat exchanger for the same appliances

This part is currently out of stock. These Remeha parts of the same type are listed for at least one of the same appliance models and are available.

Before ordering, check the manufacturer number in the spare parts list or exploded view of your appliance.

Frequently asked questions about this item

Does the Remeha heat exchanger Quinta 25/W21 S56418 fit my appliance?
This part is in the parts list of 5 Remeha models, namely the Quinta 10 Solo, Quinta 25 Combi, Quinta 25 Solo, W21 Eco Combi, W21 Eco Solo. 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. 7–10 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?
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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