Glow-worm
Glow-worm O-Ring 18mm x 3mm 801625
Glow-worm 801625 O-ring, 18mm x 3mm, for Ultracom and GW series gas boilers.
At a glance
- Appliance family: Ultracom and GW series
- Also known as 1333043
Showing prices
£9.53
£7.94 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
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 801625 is an 18mm x 3mm O-ring for the manufacturer's Ultracom and GW series gas boilers. It is a sealing component used within the appliance. This part is listed under O-rings, washers and gaskets in the gas boiler spares range.
Signs this part needs replacing
- Visible cracking, splitting or flattening of the O-ring
- Hardening or loss of elasticity in the rubber
- Water or gas weeping from the joint the O-ring seals
- Scale, debris or corrosion on the seal or its seating
- Repeated pressure loss at the connection
Before you order
- Confirm the O-ring dimensions (18mm x 3mm) match the one removed
- Check the boiler model and GC number against the fitment list above
- Inspect the joint for other seals or washers that may also need replacing
- Ensure the sealing surfaces are clean and undamaged before fitting
Compliance
| GC number | E85-002 |
|---|---|
| Barcode / EAN | 5037985028663 |
| Alternative numbers | 1333043 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM BRITISH GAS BG330 | 41-047-75 | 41-047-75 | — | — |
| GLOWWORM GLOWWORM ULTRACOM 12HXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 15HXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 18HXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 18SXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 24CX | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 24CXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 24HXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 30CX | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 30CXi | — | — | — |
Showing 10 of 38 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 — BRITISH GAS BG330 (GC 41-047-75)
manualmanualGLOWWORM appliance manual — GW 12HXi (GC 41-047-73)
manualmanualGLOWWORM appliance manual — GW 15HXi (GC 41-047-74)
manualmanualGLOWWORM appliance manual — GW 18HXi (GC 41-047-63)
manualmanualGLOWWORM appliance manual — GW 18SXi (GC 41-047-72)
manualmanualGLOWWORM appliance manual — GW 24CXi (GC 47-047-23)
manualmanualGLOWWORM appliance manual — GW 24HXi (GC 41-047-69)
manualmanualGLOWWORM appliance manual — GW 30CXi (GC 47-047-24)
manualmanualGLOWWORM appliance manual — GW 30HXi (GC 41-047-64)
manualmanualGLOWWORM appliance manual — GW 30SXi (GC 41-047-62)
manualmanualGLOWWORM appliance manual — GW 38CXi (GC 47-047-27)
manualmanualGLOWWORM appliance manual — GW 38HXi (GC 41-047-71)
manualmanualGLOWWORM appliance manual — ULTRACOM 12HXi (GC 41-019-01)
manualmanualGLOWWORM appliance manual — ULTRACOM 15HXi (GC 41-019-02)
manualmanualGLOWWORM appliance manual — ULTRACOM 18HXi (GC 41-019-03)
manualmanualGLOWWORM appliance manual — ULTRACOM 18SXi (GC 41-019-07)
manualmanualGLOWWORM appliance manual — ULTRACOM 24CX (GC 47-019-06)
manualmanualGLOWWORM appliance manual — ULTRACOM 24CXi (GC 47-019-01)
manualmanualGLOWWORM appliance manual — ULTRACOM 24HXi (GC 41-019-04)
manualmanualGLOWWORM appliance manual — ULTRACOM 30CX (GC 47-019-07)
manualmanualGLOWWORM appliance manual — ULTRACOM 30CXi (GC 47-019-02)
manualmanualGLOWWORM appliance manual — ULTRACOM 30HXi (GC 41-019-05)
manualmanualGLOWWORM appliance manual — ULTRACOM 30SXi (GC 41-019-08)
manualmanualGLOWWORM appliance manual — ULTRACOM 38CXi (GC 47-019-03)
manualmanualGLOWWORM appliance manual — ULTRACOM 38HXi (GC 41-019-06)
manualNo technical questions yet for this part.
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