Glow-worm
Glow-worm Cable Tree Hydraulic Wiring Harness 0020020786
Hydraulic wiring harness cable tree for Glow-worm gas boilers, linking the hydraulic components to the boiler control.
At a glance
- Also known as 1339845
£12.62
£10.52 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 cable tree (hydraulic wiring harness), part number 0020020786, is a wiring loom used on Glow-worm gas boilers. It carries the electrical connections between the boiler's hydraulic components and the control electronics. It is fitted across the Flexicom, Ultracom and Ultimate ranges, as well as the BG330 PLUS.
Signs this part needs replacing
- Intermittent boiler faults or unexplained lockouts
- Error codes relating to sensors, fan or hydraulic components
- Visible damage to the loom, such as frayed, brittle or heat-damaged wiring
- Loose or corroded connectors at the harness plugs
- Components failing to respond when the boiler is powered
Before you order
- Confirm your boiler model and GC number against the fitment list above
- Check the part number on the existing harness matches 0020020786
- Inspect the harness connectors for damage before fitting
Compliance
| Alternative numbers | 1339845 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM BG330 PLUS | — | — | — | |
| GLOWWORM BRITISH GAS BG330+ | 41-019-11 | 41-019-11 | — | — |
| GLOWWORM FLEXICOM 12HX | 41-315-28 | 41-315-28 | — | — |
| GLOWWORM FLEXICOM 15HX | 41-315-29 | 41-315-29 | — | — |
| GLOWWORM FLEXICOM 18HX | 41-315-42 | 41-315-42 | — | — |
| GLOWWORM FLEXICOM 24HX | 41-315-61 | 41-315-61 | — | — |
| GLOWWORM FLEXICOM 30HX | 41-315-67 | 41-315-67 | — | — |
| GLOWWORM FLEXICOM 35HX | 41-315-68 | 41-315-68 | — | — |
| GLOWWORM ULTIMATE 24H | 41-019-15 | 41-019-15 | — | — |
| GLOWWORM ULTRACOM 12HXi | 41-019-01 | 41-019-01 | — | — |
Showing 10 of 15 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 — BRITISH GAS BG330+ (GC 41-019-11)
manualmanualGLOWWORM appliance manual — FLEXICOM 12HX (GC 41-315-28)
manualmanualGLOWWORM appliance manual — FLEXICOM 15HX (GC 41-315-29)
manualmanualGLOWWORM appliance manual — FLEXICOM 18HX (GC 41-315-42)
manualmanualGLOWWORM appliance manual — FLEXICOM 24HX (GC 41-315-61)
manualmanualGLOWWORM appliance manual — FLEXICOM 30HX (GC 41-315-67)
manualmanualGLOWWORM appliance manual — FLEXICOM 35HX (GC 41-315-68)
manualmanualGLOWWORM appliance manual — ULTIMATE 24H (GC 41-019-15)
manualmanualGLOWWORM 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 24HXi (GC 41-019-04)
manualmanualGLOWWORM appliance manual — ULTRACOM 30HXi (GC 41-019-05)
manualmanualGLOWWORM appliance manual — ULTRACOM 38HXi (GC 41-019-06)
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