Glow-worm
Glow-worm Printed Circuit Board S900817
Glow-worm S900817 single-fuse printed circuit board with a 5-wire connection for selected Glow-worm gas boilers.
At a glance
- Also known as GLOWWORMS900817, 1336683, N1149
Showing prices
£193.80
£161.50 ex. VAT · VAT at 20%
In stock
Cut-off passed — dispatches next working day
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Glow-worm S900817 is a printed circuit board with a five-wire connection and a single fuse. It is used in Glow-worm gas boilers across the Economy, Fuelsaver, Ultimate, Spacesaver and KFB appliance families. The board provides the boiler control function for the listed models.
Signs this part needs replacing
- Boiler does not fire or respond to heating or hot water demand.
- Repeated lockouts or intermittent boiler operation.
- No heating or hot water from the appliance.
- The fuse on the board blows repeatedly.
- Visible burning, scorching or damaged tracks on the PCB.
Before you order
- Confirm the existing board has five wires and one fuse.
- Check the boiler model and GC number against the fitment list.
- For Economy 40FF, 50FF and 60FF, check the serial number where listed.
- Inspect the board connections and fuse position before ordering.
Compliance
| GC number | 313-301 |
|---|---|
| Barcode / EAN | 4024074501467 |
| Alternative numbers | 7625873210404, GLOWWORMS900817, GLOWWORMS900817, GLOWWORMS900817, GLOWWORMS900817, 1336683, N1149 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM ECOMOMY 80FF - SERIAL NUMBER 3037 | — | — | — | |
| GLOWWORM ECONOMY 24FF | 41-313-90 | 41-313-90 | — | — |
| GLOWWORM ECONOMY 30F | 41-319-05 | 41-319-05 | — | — |
| GLOWWORM ECONOMY 40FF - SERIAL NUMBER 14451 | 41-319-06 | 41-319-06 | — | — |
| GLOWWORM ECONOMY 50FF - SERIAL NUMBER 14255 | 41-319-07 | 41-319-07 | — | — |
| GLOWWORM ECONOMY 60FF - SERIAL NUMBER 3989 | 41-319-04 | 41-319-04 | — | — |
| GLOWWORM ECONOMY PLUS 24F | 41-319-21 | 41-319-21 | — | — |
| GLOWWORM ECONOMY PLUS 30F | 41-319-29 | 41-319-29 | — | — |
| GLOWWORM ECONOMY PLUS 40F | 41-319-30 | 41-319-30 | — | — |
| GLOWWORM ECONOMY PLUS 50F | 41-319-31 | 41-319-31 | — | — |
Showing 10 of 74 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
manual
GLOWWORM appliance manual — ECONOMY 30F (GC 41-319-05)
manualmanualGLOWWORM appliance manual — ECONOMY PLUS 24F (GC 41-319-21)
manualmanualGLOWWORM appliance manual — ECONOMY PLUS 30F (GC 41-319-29), ECONOMY PLUS 40F (GC 41-319-30), ECONOMY PLUS 50F (GC 41-319-31)
manualmanualGLOWWORM appliance manual — ECONOMY PLUS 60F (GC 41-319-63)
manualmanualGLOWWORM appliance manual — ECONOMY PLUS 80F (GC 41-319-64)
manualmanualGLOWWORM appliance manual — K F B 30 (GC 41-319-08), K F B 40 (GC 41-319-09), K F B 50 (GC 41-319-10), SPACE SAVER KFB 30 (GC 41-319-08), SPACE SAVER KFB 40 (GC 41-319-09), SPACE SAVER KFB 50 (GC 41-319-10)
manualmanualGLOWWORM appliance manual — K F B 60 (GC 41-319-11), K F B 70 (GC 41-319-12), SPACE SAVER KFB 60 (GC 41-319-11), SPACE SAVER KFB 70 (GC 41-319-12)
manualmanualGLOWWORM appliance manual — MICRON 100FF (GC 41-047-22)
manualmanualGLOWWORM appliance manual — MICRON 120FF (GC 41-047-23)
manualmanualGLOWWORM appliance manual — SPACE SAVER COMPLHEAT 30 (GC 41-319-42), SPACE SAVER COMPLHEAT 40 (GC 41-319-43), SPACE SAVER COMPLHEAT 50 (GC 41-319-44)
manualmanualGLOWWORM appliance manual — SPACE SAVER COMPLHEAT 60 (GC 41-319-45), SPACE SAVER COMPLHEAT 70 (GC 41-319-46)
manualmanualGLOWWORM appliance manual — ULTIMATE 100FF (GC 41-319-61)
manualmanualGLOWWORM appliance manual — ULTIMATE 120FF (GC 41-319-75)
manualmanualGLOWWORM appliance manual — ULTIMATE 30FF (GC 41-319-56)
manualmanualGLOWWORM appliance manual — ULTIMATE 40FF (GC 41-319-57)
manualmanualGLOWWORM appliance manual — ULTIMATE 50FF (GC 41-319-58)
manualmanualGLOWWORM appliance manual — ULTIMATE 60FF (GC 41-319-59)
manualmanualGLOWWORM appliance manual — ULTIMATE 70FF (GC 41-319-86)
manualmanualGLOWWORM appliance manual — ULTIMATE 80FF (GC 41-319-60)
manualNo technical questions yet for this part.
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