
Refurbished
Glow-worm twin fuse PCB S900847
Twin fuse printed circuit board for Glow-worm Ultimate and Micron boilers, also used in Saunier Duval Xeon and Protherm models.
At a glance
- Also known as 9500028
- Fitting and commissioning must be carried out by a Gas Safe registered engineer
£69.12
£57.60 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 twin fuse printed circuit board, part number S900847, with a 7-wire TPO connection and two fuses. It is fitted across several boiler brands from the same manufacturing group, including Glow-worm, Saunier Duval and Protherm, and acts as the boiler's control centre for ignition, pump and fan operation and safety monitoring.
Signs this part needs replacing
- Boiler fails to ignite or locks out repeatedly
- One or both fuses blowing repeatedly
- Display blank or showing a persistent fault code
- Pump or fan not responding to a call for heat
Before you order
- Match S900847 against the number 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 | 9500028 |
|---|
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.
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