Glow-worm
Glow-worm Limiter 12 Litre 0020075429
Glow-worm 12 litre limiter, part number 0020075429, for use in GW and Ultracom 2 CXI gas boilers.
At a glance
- Part type: limiter, 12 litre
- Also known as 1339988
£9.53
£7.94 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 12 Litre is a boiler component supplied under part number 0020075429. It is listed for the GW and Ultracom 2 CXI appliance families, where it forms part of the water circuit. It is a serviceable item, so it can be removed and replaced when it no longer performs as intended.
Signs this part needs replacing
- Hot water flow rate noticeably lower than the appliance's usual delivery
- Flow that fluctuates or drops away during draw-off
- Boiler fault codes or lockouts linked to the water circuit
- Whistling or unusual noise from the boiler while hot water is running
- Visible damage, scale build-up or blockage at the limiter
Before you order
- Confirm the appliance model and GC number against the manufacturer's parts list
- Check the existing limiter for the same part number before removal
- Inspect the surrounding water circuit for scale or debris that may have caused the fault
- Confirm whether any seals or washers are required for refitting
Compliance
| Alternative numbers | 1339988 |
|---|
| 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 35CXi | 47-019-12 | 47-019-12 | — | — |
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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