Description
Potterton 5112178 Printed Circuit Board Control – Suprima 40
Potterton replacement part with manufacturer part number 5112178. This exact item is a genuine, brand-new Potterton product. It is intended for the compatible appliances shown below, where listed. Match the boiler model and MPN before ordering.
Product Details
Brand: Potterton
Manufacturer part number (MPN): 5112178
Condition: Genuine brand new
Boiler Compatibility
Check the exact appliance model and manufacturer part number before ordering.
This part fits the following 4 appliances:
Listed compatible appliances
- Potterton Boiler Spares SUPRIMA 100 SYSTEM NG — Browse Potterton parts (brand archive)
- Potterton Boiler Spares SUPRIMA 40 NG — Browse Potterton parts (brand archive)
- Potterton Boiler Spares SUPRIMA 70 NG — Browse Potterton parts (brand archive)
- Potterton Boiler Spares SUPRIMA 80 NG — Browse Potterton parts (brand archive)
Ordering and support
Before you order
Use the manufacturer part number as your main check. Do not rely on a similar-looking part.
Technical FAQs
How do I check that this is the correct replacement part?
Use manufacturer part number 5112178 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 4 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 Potterton product.
Related Potterton parts
Browse related Potterton boiler parts and Potterton PCBs.
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
Use the appliance model and any listed GC number as extra checks before ordering.
Installation and testing should be completed by a suitably qualified professional where required.







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