Glow-worm
Glow-worm Cable Tree Wiring Harness 0020037306
Cable tree wiring harness, part 0020037306, for Glow-worm Ultracom gas boilers.
At a glance
- Appliance family: Ultracom
- Also known as 1338021
£17.81
£14.84 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 cable tree wiring harness, part number 0020037306, is a Glow-worm electrical component used across the Ultracom range of gas boilers. It forms the wiring loom that links the boiler's control and electrical components, carrying power and signal connections between the PCB and the surrounding parts. It is supplied as a complete harness assembly for service and repair work.
Signs this part needs replacing
- Intermittent boiler operation or faults that come and go when the harness is moved
- Error codes relating to sensor, fan or PCB communication
- Visible damage to the loom, such as chafed, cracked or melted insulation
- Loose, corroded or heat-damaged connector plugs that will not seat properly
- Continuity faults traced to a broken conductor within the harness
Before you order
- Confirm the boiler model and GC number against the fit list above
- Inspect the existing harness and connectors to confirm the fault lies with the loom
- Check the connector layout and pin count match the part being removed
- Isolate the boiler from the electrical supply before carrying out any work
Compliance
| Barcode / EAN | 5037985015946 |
|---|---|
| Alternative numbers | 1338021 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM ULTRACOM 12HXi | 41-019-01 | 41-019-01 | — | — |
| GLOWWORM ULTRACOM 15HXi | 41-019-02 | 41-019-02 | — | — |
| GLOWWORM ULTRACOM 18HXi | 41-019-03 | 41-019-03 | — | — |
| GLOWWORM ULTRACOM 18SXi | 41-019-07 | 41-019-07 | — | — |
| GLOWWORM ULTRACOM 24CX | 47-019-06 | 47-019-06 | — | — |
| GLOWWORM ULTRACOM 24CXi | 47-019-01 | 47-019-01 | — | — |
| GLOWWORM ULTRACOM 24HXi | 41-019-04 | 41-019-04 | — | — |
| GLOWWORM ULTRACOM 30CX | 47-019-07 | 47-019-07 | — | — |
| GLOWWORM ULTRACOM 30CXi | 47-019-02 | 47-019-02 | — | — |
| GLOWWORM ULTRACOM 30HXi | 41-019-05 | 41-019-05 | — | — |
Showing 10 of 13 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 — ULTRACOM 12HXi (GC 41-019-01)
manualmanualGLOWWORM appliance manual — ULTRACOM 15HXi (GC 41-019-02)
manualmanualGLOWWORM appliance manual — ULTRACOM 18HXi (GC 41-019-03)
manualmanualGLOWWORM appliance manual — ULTRACOM 18SXi (GC 41-019-07)
manualmanualGLOWWORM appliance manual — ULTRACOM 24CX (GC 47-019-06)
manualmanualGLOWWORM appliance manual — ULTRACOM 24CXi (GC 47-019-01)
manualmanualGLOWWORM appliance manual — ULTRACOM 24HXi (GC 41-019-04)
manualmanualGLOWWORM appliance manual — ULTRACOM 30CX (GC 47-019-07)
manualmanualGLOWWORM appliance manual — ULTRACOM 30CXi (GC 47-019-02)
manualmanualGLOWWORM appliance manual — ULTRACOM 30HXi (GC 41-019-05)
manualmanualGLOWWORM appliance manual — ULTRACOM 30SXi (GC 41-019-08)
manualmanualGLOWWORM appliance manual — ULTRACOM 38CXi (GC 47-019-03)
manualmanualGLOWWORM appliance manual — ULTRACOM 38HXi (GC 41-019-06)
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