Glow-worm
Glow-worm Expansion Vessel 0020181044
25 litre expansion vessel for Glow-worm Clearly Solar and SS250/SS300 storage cylinders, supplied with mounting bracket.
At a glance
- Also known as 1342968
£296.12
£246.77 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 0020181044 is a 25 litre expansion vessel manufactured by Glow-worm. It is used on Glow-worm Clearly Solar systems and SS250 and SS300 storage cylinders, where it absorbs the expansion of heated water in a sealed system to limit pressure rise. The vessel is supplied with a mounting bracket.
Signs this part needs replacing
- System pressure rises sharply when the appliance heats up
- Pressure drops repeatedly and the system needs frequent topping up
- Water appears at the air valve on the vessel
- Visible corrosion, blistering paint or water staining on the vessel shell
- The vessel feels heavy or waterlogged when disconnected
Before you order
- Confirm your appliance model against the fit list above
- Check the existing vessel's capacity and physical size match the 25 litre unit
- Inspect the connection thread and pipework for damage before fitting
- Verify the system's cold fill pressure and charge the vessel to the manufacturer's specified setting
Compliance
| Alternative numbers | 1342968 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM CLEARLY SOLAR | — | — | — | |
| GLOWWORM STORAGE CYLINDER SS250 | — | — | — | |
| GLOWWORM STORAGE CYLINDER SS300 | — | — | — |
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.
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