Glow-worm
Glow-worm O-Ring Pack 2000801943
A pack of 25 O-rings for compatible Glow-worm gas boilers, used as a bypass O-ring.
At a glance
- Also known as 1331505
Showing prices
£38.41
£32.01 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 2000801943 is an O-ring pack containing 25 O-rings. It is used as a bypass O-ring in compatible Glow-worm gas boilers. The O-rings provide a seal at the bypass joint.
Signs this part needs replacing
- Water weeping or dripping around the bypass assembly.
- Visible cracks, splits or perishing on the O-ring.
- The O-ring has hardened, flattened or lost elasticity.
- Pressure loss or water loss traced to the O-ring seal.
- Recurring leaks after reassembly of the bypass joint.
Before you order
- Check the appliance model and GC number against the fitment list.
- Confirm the part number 2000801943 matches the existing component.
- Check whether the old O-ring or packaging is marked with code S5421500.
- Confirm that a pack of 25 is suitable for the repair.
Compliance
| GC number | E88-836 |
|---|---|
| Barcode / EAN | 3532040874466 |
| Alternative numbers | 1331505 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM ENERGY 35 STORE | — | — | — | |
| GLOWWORM ENERGY 35 STORE | 47-019-37 | 47-019-37 | — | — |
| GLOWWORM GW 18SXi | 41-047-72 | 41-047-72 | — | — |
| GLOWWORM GW 18Si | 41-047-61 | 41-047-61 | — | — |
| GLOWWORM GW 23C | 47-047-18 | 47-047-18 | — | — |
| GLOWWORM GW 24CXi | 47-047-23 | 47-047-23 | — | — |
| GLOWWORM GW 24Ci | 47-047-19 | 47-047-19 | — | — |
| GLOWWORM GW 30CXi | 47-047-24 | 47-047-24 | — | — |
| GLOWWORM GW 30Ci | 47-047-20 | 47-047-20 | — | — |
| GLOWWORM GW 30SXi | 41-047-62 | 41-047-62 | — | — |
Showing 10 of 15 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 — ENERGY 35 STORE (GC 47-019-37)
manualmanualGLOWWORM appliance manual — GW 18SXi (GC 41-047-72)
manualmanualGLOWWORM appliance manual — GW 18Si (GC 41-047-61)
manualmanualGLOWWORM appliance manual — GW 23C (GC 47-047-18)
manualmanualGLOWWORM appliance manual — GW 24CXi (GC 47-047-23)
manualmanualGLOWWORM appliance manual — GW 24Ci (GC 47-047-19)
manualmanualGLOWWORM appliance manual — GW 30CXi (GC 47-047-24)
manualmanualGLOWWORM appliance manual — GW 30Ci (GC 47-047-20)
manualmanualGLOWWORM appliance manual — GW 30SXi (GC 41-047-62)
manualmanualGLOWWORM appliance manual — GW 30Si (GC 41-047-70)
manualmanualGLOWWORM appliance manual — GW 35Ci (GC 47-047-28)
manualmanualGLOWWORM appliance manual — GW 38CXi (GC 47-047-27)
manualmanualGLOWWORM appliance manual — XTRAMAX (GC 47-047-15)
manualmanualGLOWWORM appliance manual — XTRAMAX HE (GC 47-047-29)
manualNo technical questions yet for this part.
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