
Refurbished
Worcester Bosch Greenstar PCB 8748300939
Refurbished Worcester Bosch printed circuit board for Greenstar i Junior and Si combi boilers.
At a glance
- Also known as 9500112
- Fitting and commissioning must be carried out by a Gas Safe registered engineer
£77.76
£64.80 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
A printed circuit board for Worcester Bosch Greenstar combi boilers, part number 8748300939. It is the boiler's control centre, running ignition, pump and fan timing and the safety interlocks. This is a refurbished, tested unit.
Signs this part needs replacing
- Boiler fails to ignite or locks out repeatedly
- Display blank or unresponsive
- Pump or fan not responding to a call for heat
- Intermittent faults with no obvious cause
Before you order
- Match 8748300939 against the number printed on your existing board
- Isolate the electrical supply before removing the old board
- Fitting and commissioning must be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | 9500112 |
|---|
No fitment data held for this part.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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