Glow-worm
Glow-worm Cap Air Test Point EPDM DN 14 0020020503
Glow-worm air test point cap in EPDM, DN 14, for horizontal and telescopic flue kits on compatible gas boilers.
At a glance
- Also known as 1337679
£17.29
£14.41 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 0020020503 is an air test point cap in EPDM, sized DN 14, supplied for horizontal and telescopic flue kits. It seals the air test point on the flue assembly so combustion readings can be taken and the port closed off afterwards. It is used across a range of Glow-worm gas boilers.
Signs this part needs replacing
- Cap missing from the air test point after servicing
- EPDM cap cracked, split or perished
- Cap no longer seals, allowing flue gases to escape at the test point
- Combustion readings unstable or drifting when the test point is capped
- Cap loose or unable to stay seated on the test point
Before you order
- Confirm your boiler model and GC number against the list above
- Check that the appliance uses a horizontal or telescopic flue kit
- Check the existing cap for size and material markings
- Have the part number 0020020503 to hand when ordering
Compliance
| Barcode / EAN | 4024074505526 |
|---|---|
| Alternative numbers | 1337679 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM BETACOM 2 24 | 47-019-16 | 47-019-16 | — | — |
| GLOWWORM BETACOM 2 28 | 47-019-17 | 47-019-17 | — | — |
| GLOWWORM BETACOM 24 A | 47-019-13 | 47-019-13 | — | — |
| GLOWWORM BETACOM 28 A | 47-019-14 | 47-019-14 | — | — |
| GLOWWORM BG330 PLUS | — | — | — | |
| GLOWWORM BRITISH GAS BG330+ | 41-019-11 | 41-019-11 | — | — |
| GLOWWORM EASICOM 24 | 47-019-18 | 47-019-18 | — | — |
| GLOWWORM EASICOM 28 | 47-019-19 | 47-019-19 | — | — |
| GLOWWORM FLEXICOM 18SX | 41-315-72 | 41-315-72 | — | — |
| GLOWWORM FLEXICOM 30SX | 41-047-76 | 41-047-76 | — | — |
Showing 10 of 17 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 — BETACOM 2 24 (GC 47-019-16)
manualmanualGLOWWORM appliance manual — BETACOM 2 28 (GC 47-019-17)
manualmanualGLOWWORM appliance manual — BETACOM 24 A (GC 47-019-13), BETACOM 28 A (GC 47-019-14)
manualmanualGLOWWORM appliance manual — BRITISH GAS BG330+ (GC 41-019-11)
manualmanualGLOWWORM appliance manual — EASICOM 24 (GC 47-019-18)
manualmanualGLOWWORM appliance manual — EASICOM 28 (GC 47-019-19)
manualmanualGLOWWORM appliance manual — FLEXICOM 18SX (GC 41-315-72)
manualmanualGLOWWORM appliance manual — FLEXICOM 30SX (GC 41-047-76)
manualmanualGLOWWORM appliance manual — ULTIMATE 24H (GC 41-019-15)
manualmanualGLOWWORM appliance manual — ULTIMATE 30C (GC 47-044-48), ULTIMATE 35C (GC 47-044-49)
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