Glow-worm
Glow-worm Wiring Harness Heat Engine OV 0020195571
Wiring harness for the heat engine on Glow-worm open vent boilers, part number 0020195571.
£31.73
£26.44 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
This is the wiring harness for the heat engine, manufactured by Glow-worm and identified by part number 0020195571. It carries the electrical connections for the heat engine assembly on Glow-worm open vent (OV) gas boilers. The harness is a serviceable electrical component used when the original loom is damaged, corroded or has failed continuity.
Signs this part needs replacing
- Heat engine fails to run or cuts out intermittently with no other fault found
- Visible scorching, brittle insulation or exposed conductors on the harness
- Corroded, loose or discoloured connector terminals at the heat engine
- Continuity faults or open circuits traced through the loom
- Repeated electrical faults or error codes linked to the heat engine circuit
Before you order
- Confirm the boiler model and GC number against the fitment list above
- Check the existing harness part number or marking on the component being replaced
- Inspect the heat engine connectors for damage that may also need attention
- Verify the boiler is the open vent (OV) variant, as the harness is specific to it
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM EASICOM 3 25R | 41-019-50 | 41-019-50 | — | — |
| GLOWWORM ENERGY 12R | 41-019-21 | 41-019-21 | — | — |
| GLOWWORM ENERGY 12R | — | — | — | |
| GLOWWORM ENERGY 15R | 41-019-22 | 41-019-22 | — | — |
| GLOWWORM ENERGY 15R | — | — | — | |
| GLOWWORM ENERGY 18R | 41-019-23 | 41-019-23 | — | — |
| GLOWWORM ENERGY 18R | — | — | — | |
| GLOWWORM ENERGY 25R | — | — | — | |
| GLOWWORM ENERGY 25R | 41-019-24 | 41-019-24 | — | — |
| GLOWWORM ENERGY 30R | 41-019-25 | 41-019-25 | — | — |
Showing 10 of 36 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 — EASICOM 3 25R (GC 41-019-50)
manualmanualGLOWWORM appliance manual — ENERGY 12R (GC 41-019-21), ENERGY 15R (GC 41-019-22), ENERGY 18R (GC 41-019-23), ENERGY 25R (GC 41-019-24), ENERGY 30R (GC 41-019-25)
manualmanualGLOWWORM appliance manual — SUSTAIN 12R (GC 41-019-39), SUSTAIN 15R (GC 41-019-40), SUSTAIN 18R (GC 41-019-41)
manualmanualGLOWWORM appliance manual — ULTIMATE 3 25R (GC 41-019-52)
manualNo technical questions yet for this part.
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