Description
Ideal Istor Expansion Vessel 19L Domestic Boiler Spares replacement part with manufacturer part number 173193. This exact item is a genuine, brand-new Ideal Domestic Boiler Spares product. It is intended for the compatible appliances shown below, where listed. Match the boiler model and MPN before ordering.
Product Details
Brand: Ideal Domestic Boiler Spares
Manufacturer part number (MPN): 173193
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 2 appliances:
Listed compatible appliances
- Ideal Domestic Boiler Spares ISTOR HE 260 SYSTEM NG
- Ideal Domestic Boiler Spares ISTOR HE 325 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.
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Browse related Ideal Domestic Boiler Spares Expansion Vessels.
Help and returns
For help checking this part, message us on WhatsApp. This genuine part includes a 12-month warranty. Returns are subject to the 30-day returns policy.
Product check
The product details on this page are based on reviewed source information for this exact manufacturer part number.
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 173193 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 2 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 Ideal Domestic Boiler Spares product.











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