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Atag burner bed ASSY SHR35 A25
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Atag burner bed ASSY SHR35 A25 S4523920

€ 137.80 incl. VAT

Original spare part Atag. Type: Burner, S4523910. Application: Boiler / Blauwe Engel SHR 35. Supplier code: S4523920.

SKU: 8139061 Categories: , Brand:

Price and stock checked on 20 October 2026.

✓ In stock — delivery usually within 3–5 working days
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 / modelEnigma SHR 28/35T Comfort and 11 other models
Atag numberS4523920
Article number8139061
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Atag Enigma SHR 28/35T Comfort →
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Atag burner bed ASSY SHR35 A25: original Atag spare part, type: Burner. Application: Boiler (Blauwe Engel SHR 35). Manufacturer number: S4523920; Instalpunt article number: 8139061.

According to the Atag parts lists, this part fits 12 models, including Atag Blauwe Engel SHR 35, Atag Blauwe Engel SHR 35 T and Benraad BR 24-32C. 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: Atag burner bed ASSY SHR35 A25 S4523920

BrandAtag spare parts
Atag manufacturer numberS4523920
Instalpunt article number8139061
EAN8719638549547
Also known asS4523910
Part typeBurner (All Atag burners · burners of all brands)
ApplicationBoiler
Suitable for12 Atag models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 137,80 incl. VAT
OriginSupplied through the official technical wholesale channel, under Atag number S4523920

Also known as: branderdek, voormengbrander.

Fits 12 Atag models

The part Atag burner bed ASSY SHR35 A25 S4523920 is in the official parts list of these Atag appliances. Click a model for the complete parts list and exploded view.

Atag Boiler (12)

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.

More spare parts for this appliance

Does this fit my appliance?

Enter your appliance type, for example as shown on the rating plate. You will see straight away whether the Atag burner bed ASSY SHR35 A25 S4523920 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.

Position on the parts diagram

This part appears on the exploded view of 9 appliances. Open the drawing for the appliance and click the number to check that you have the right part.

Also appears on the drawing of 3 other models.

For which fault is a Atag burner replaced?

According to the fault code database, these Atag 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
40Temperature exceeded at the burner flow temperature sensor.
BL 67A Delta-T was detected between flow and return sensor while the burner is not operating. The block is lifted once the Delta-T has disappeared
BL 81Flue gas sensor interrupted after having been connected to the control. Burner is blocked until the flue gas sensor is reconnected
BL 85The control has detected no water flow. Automatic venting cycle is started. If water flow is detected during this cycle, the venting cycle ends and the burner is released.

All Atag 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 Atag burner bed ASSY SHR35 A25 S4523920 fit my appliance?
This part is in the parts list of 12 Atag models, including the Blauwe Engel SHR 35, Blauwe Engel SHR 35 T, BR 24-32C, BR 35Ci. 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 Atag burner bed ASSY SHR35 A25 S4523920?
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 € 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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