Glow-worm
Glow-worm Limiter 8 Litre 0020075428
Glow-worm 8 litre limiter, part number 0020075428, for use in GW and Ultracom 2 CXI gas boilers.
At a glance
- Also known as 1340382
£9.46
£7.88 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 Limiter 8 Litre (part number 0020075428) is a limiter component specified at 8 litres for Glow-worm gas boilers. It forms part of the boiler's water circuit, where it regulates flow through the appliance. It is listed by the manufacturer for the GW and Ultracom 2 CXI ranges.
Signs this part needs replacing
- Reduced or restricted flow at the hot water outlet
- Hot water temperature that fluctuates or fails to hold steady
- Boiler cycling or cutting out during hot water draw-off
- Visible scale, debris or blockage at the limiter
- Leaks or weeping around the limiter body or its seals
Before you order
- Confirm your boiler model against the fitment list above
- Check the existing part number 0020075428 against the manufacturer's parts list for your appliance
- Inspect the removed limiter for scale or debris, as this can indicate a wider system issue
- Verify the 8 litre rating matches the specification for your boiler
Compliance
| Alternative numbers | 1340382 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM GW 30CXi | 47-047-24 | 47-047-24 | — | — |
| GLOWWORM GW 38CXi | 47-047-27 | 47-047-27 | — | — |
| GLOWWORM ULTRACOM 2 24CXi | 47-019-10 | 47-019-10 | — | — |
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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