Glow-worm
Glow-worm Pipe Seal 801658
Glow-worm pipe seal, part number 801658, for Ultracom and GW series gas boilers.
At a glance
- Also known as 1333105
£9.53
£7.94 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
The Glow-worm pipe seal, part number 801658, is a sealing component used at pipe connections within Glow-worm Ultracom and GW series gas boilers. It sits at the joint to prevent leakage under operating pressure and temperature. The seal is listed within the O-rings, washers and gaskets category of the boiler spares range.
Signs this part needs replacing
- Water weeping or dripping from the pipe joint
- Damp patches, staining or corrosion around the connection
- The seal appears hardened, cracked or deformed
- Boiler pressure drops and needs frequent topping up
- Scale or debris visible at the joint face
Before you order
- Check your boiler model and GC number against the fitment list above.
- Confirm the part number 801658 matches the seal required for your appliance.
- Inspect the pipe joint to confirm the seal is the failed component.
Compliance
| GC number | E88-821 |
|---|---|
| Barcode / EAN | 5037985028786 |
| Alternative numbers | 1333105 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM GLOWWORM ULTRACOM 18SXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 24CX | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 24CXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 30CX | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 30CXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 30SXi | — | — | — | |
| GLOWWORM GLOWWORM ULTRACOM 38CXi | — | — | — | |
| GLOWWORM GW 18SXi | 41-047-72 | 41-047-72 | — | — |
| GLOWWORM GW 24CXi | 47-047-23 | 47-047-23 | — | — |
| GLOWWORM GW 30CXi | 47-047-24 | 47-047-24 | — | — |
Showing 10 of 19 compatible appliances.
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.
GLOWWORM appliance manual — GW 18SXi (GC 41-047-72)
manualmanualGLOWWORM appliance manual — GW 24CXi (GC 47-047-23)
manualmanualGLOWWORM appliance manual — GW 30CXi (GC 47-047-24)
manualmanualGLOWWORM appliance manual — GW 30SXi (GC 41-047-62)
manualmanualGLOWWORM appliance manual — GW 38CXi (GC 47-047-27)
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 30CX (GC 47-019-07)
manualmanualGLOWWORM appliance manual — ULTRACOM 30CXi (GC 47-019-02)
manualmanualGLOWWORM appliance manual — ULTRACOM 30SXi (GC 41-019-08)
manualmanualGLOWWORM appliance manual — ULTRACOM 38CXi (GC 47-019-03)
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