Description
Atag Expansion Vessel 12L 1 Bar replacement part with manufacturer part number 64990112. This exact item is a genuine, brand-new Atag product. It is intended for the compatible appliances shown below, where listed. Match the boiler model and MPN before ordering.
Product Details
Brand: Atag
Manufacturer part number (MPN): 64990112
Condition: Genuine brand new
Warranty: 12 Months
Boiler Compatibility
Check the exact appliance model and manufacturer part number before ordering. See the GC Number tab for the verified GC references.
This part fits the following 9 appliances:
Listed compatible appliances
- Atag BLAUWE ENGEL II S-HR 15 SYS NG
- Atag BLAUWE ENGEL II S-HR 24 SYS NG
- Atag BLAUWE ENGEL II S-HR 35 SYS NG
- Atag BLAUWE ENGEL II S-HR24T CBI NG
- Atag BLAUWE ENGEL II S-HR35T CBI NG
- Atag BLAUWE ENGEL S-HR24T SYSTEM NG
- Atag BLAUWE ENGEL S-HR35T SYSTEM NG
- Atag E-SERIES E32C COMBI NG
- Atag PREMIER E-SHR 35T SYSTEM NG
Before you order
Use the manufacturer part number as your main check. Do not rely on a similar-looking part. Compare the appliance model and the GC Number tab before ordering.
Related Atag parts
Browse related Atag boiler parts and Atag Expansion Vessels.
Help and returns
For help checking this part, message us on WhatsApp. This item includes a 12-month warranty. Returns are subject to the 30-day returns policy.
Product check
Clear identification matters. Check the manufacturer part number before you order.
Installation and testing should be completed by a suitably qualified professional where required.
Technical FAQs
How do I check that this is the correct replacement part?
Use manufacturer part number 64990112 as the main check. Match it to the old part or appliance documentation, not only to a similar-looking product.
Will this part fit my boiler?
This exact part is listed for 9 appliance model(s). Check your appliance model, MPN and the GC Number tab before ordering.
Can a similar-looking part be used instead?
Do not rely on shape or appearance alone. Check the manufacturer part number and the exact appliance model before ordering a replacement.
Does the part number identify the cause of a boiler fault?
No. A part number helps identify a replacement item but does not diagnose a fault. Ask a suitably qualified professional to identify the cause where required.
Who should fit and test this part?
Installation and testing should be completed by a suitably qualified professional where required. This exact item is a genuine, brand-new Atag product.











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