Glow-worm
Glow-worm Tube-Pressure Relief Valve 0020118158
Pressure relief valve tube for Glow-worm Betacom, Easicom and Ultimate gas boilers.
At a glance
- Also known as 1340654
£26.24
£21.87 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 0020118158 is a tube pressure relief valve for gas boilers. It is fitted within the heating circuit to release excess pressure and prevent damage to the appliance. This component is used across a range of Glow-worm Betacom, Easicom and Ultimate models.
Signs this part needs replacing
- Water dripping or weeping from the pressure relief discharge pipe when the system is not overheating.
- Boiler pressure gauge reading consistently high, or pressure rising rapidly during heating.
- System pressure dropping frequently, requiring regular top-ups.
- The valve failing to reseat after operating, causing continuous discharge.
- Visible scale, debris or corrosion around the valve seat.
Before you order
- Check your boiler model and GC number against the fitment list above.
- Confirm the part number 0020118158 on the existing valve or in the manufacturer's parts list.
- Ensure the system pressure is correct and the discharge pipe is clear before fitting.
- If unsure, consult a qualified heating engineer.
Compliance
| Alternative numbers | 1340654 |
|---|
| 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 EASICOM 24 | 47-019-18 | 47-019-18 | — | — |
| GLOWWORM EASICOM 28 | 47-019-19 | 47-019-19 | — | — |
| GLOWWORM GLOWWORM BETACOM 2 24 | — | — | — | |
| GLOWWORM GLOWWORM BETACOM 2 28 | — | — | — | |
| GLOWWORM GLOWWORM BETACOM 24 A | — | — | — | |
| GLOWWORM GLOWWORM BETACOM 28 A | — | — | — |
Showing 10 of 12 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 — EASICOM 24 (GC 47-019-18)
manualmanualGLOWWORM appliance manual — EASICOM 28 (GC 47-019-19)
manualmanualGLOWWORM appliance manual — ULTIMATE 30C (GC 47-044-48), ULTIMATE 35C (GC 47-044-49)
manualNo technical questions yet for this part.
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