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Nefit control knob controller e-radiator
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Nefit control knob controller e-radiator 5238600

€ 30.70 incl. VAT

Original spare part Buderus (Bosch). Type: Control knob. Application: Hot water cylinder / SM290 5E. Delivery time: approx. 5–10 working days. Supplier code: 5238600.

Order-on-demand item — delivery time approx. 5–10 working days — ordered specially for you

SKU: 8020476 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 / modelSM290 5EW and 3 other models
Buderus (Bosch) number5238600
Article number8020476
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Buderus (Bosch) SM290 5EW →
Made-to-order item — this spare part is not on our shelf and is ordered specially for you bij de fabrikant, levertijd ca 5-10 werkdagen. 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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Nefit control knob controller e-radiator: original Nefit spare part, type: Control knob. Application: Hot water cylinder (SM290 5E). Manufacturer number: 5238600; Instalpunt article number: 8020476.

According to the Nefit parts lists, this part fits 4 models, including Buderus (Bosch) SM290 5E, Buderus (Bosch) SM290 5EW and Buderus (Bosch) SM400 5E. 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: Nefit control knob controller e-radiator 5238600

BrandBuderus (Bosch) spare parts
Buderus (Bosch) manufacturer number5238600
Instalpunt article number8020476
EAN4047416011585
Part typeControl knob
ApplicationHot water cylinder
Suitable for4 Buderus (Bosch) models (see list)
DeliverySpecial-order item, delivery time approx. 5–10 working days
Price€ 30.70 incl. VAT
OriginSupplied through the official technical wholesale channel, under Buderus (Bosch) number 5238600

Fits 4 Buderus (Bosch) models

The part Nefit control knob controller e-radiator 5238600 is in the official parts list of these Buderus (Bosch) appliances. Click a model for the complete parts list and exploded view.

Buderus (Bosch) Hot water cylinder (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.

Position on the parts diagram

This spare part is shown as position 2 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

Frequently asked questions about this item

Does the Nefit control knob controller e-radiator 5238600 fit my appliance?
This part is in the parts list of 4 Buderus (Bosch) models, namely the SM290 5E, SM290 5EW, SM400 5E, SM400 5EW. 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?
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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