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Atag stop cap transparent 10 (2 pcs) S4378100

€ 26.72 incl. VAT

Original spare part Atag. Type: Sealing plug. Application: Boiler / i28CZ iCon1. Delivery time: on request (please contact us). Supplier code: S4378100.

SKU: 8137082 Categories: , Brand:

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 / modeli28ECZ-TY28E20H iCon1 and 12 other models
Atag numberS4378100
Article number8137082
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
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Atag stop cap transparent 10 (2 pcs): original Atag spare part, type: Sealing plug. Application: Boiler (i28CZ iCon1). Manufacturer number: S4378100; Instalpunt article number: 8137082.

According to the Atag parts lists, this part fits 13 models, including Atag i28CZ iCon1, Atag i28ECZ-TY28E20H iCon1 and Atag i28ECZ-TY28E50H. 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 stop cap transparent 10 (2 pcs) S4378100

BrandAtag spare parts
Atag manufacturer numberS4378100
Instalpunt article number8137082
EAN8719638546409
Part typeSealing plug
ApplicationBoiler
Suitable for13 Atag models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 26,72 incl. VAT
OriginSupplied through the official technical wholesale channel, under Atag number S4378100

Fits 13 Atag models

The part Atag stop cap transparent 10 (2 pcs) S4378100 is in the official parts list of these Atag appliances. Click a model for the complete parts list and exploded view.

Atag Boiler (13)

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 Atag stop cap transparent 10 (2 pcs) S4378100 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 spare part is shown as position 54 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

  • i28CZ iCon1position 54blad achterwand en hydraulische componenten
  • i28ECZ-TY28E20H iCon1position 54blad achterwand en hydraulische componenten
  • i28ECZ-TY28E50Hposition 54blad achterwand en hydraulische componenten
  • i32SZ iCon2position 54blad achterwand en hydraulische componenten
  • i36CZ iCon2position 54blad achterwand en hydraulische componenten
  • i36ECZ iCon2position 54blad achterwand en hydraulische componenten

Also appears on the drawing of 7 other models.

Frequently asked questions about this item

Does the Atag stop cap transparent 10 (2 pcs) S4378100 fit my appliance?
This part is in the parts list of 13 Atag models, including the i28CZ iCon1, i28ECZ-TY28E20H iCon1, i28ECZ-TY28E50H, i32SZ iCon2. 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 stop cap transparent 10 (2 pcs) S4378100?
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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