Glow-worm
Glow-worm Heat Exchanger 0020186152
A 12-plate heat exchanger for Glow-worm combi boilers, transferring heat from the primary circuit to domestic hot water.
£109.40
£91.17 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 0020186152 is a 12-plate heat exchanger used in Glow-worm combi gas boilers. It transfers heat from the primary heating circuit to the domestic hot water supply. It is a serviceable component and is replaced when performance drops or the plate pack fails.
Signs this part needs replacing
- Domestic hot water runs hot then cold, or temperature fluctuates at the tap
- Reduced hot water flow rate compared with the cold supply
- Scale or debris build-up restricting flow through the plate pack
- Water weeping from the plate edges or gasket joints
- Boiler locking out or failing to hold a stable DHW temperature
Before you order
- Confirm your boiler model against the fit list above
- Check the existing part number and plate count on the component being replaced
- Inspect the connections and seals for damage before fitting
- Verify the boiler's GC number where one is listed for your model
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM BETACOM 3 24C | 47-019-41 | 47-019-41 | — | — |
| GLOWWORM BETACOM 4 24C | 47-019-52 | 47-019-52 | — | — |
| GLOWWORM EASICOM 2 24C | — | — | — | |
| GLOWWORM EASICOM 2 24C | 47-019-22 | 47-019-22 | — | — |
| GLOWWORM EASICOM 3 24C | 47-019-50 | 47-019-50 | — | — |
| GLOWWORM ENERGY 25C | 47-019-24 | 47-019-24 | — | — |
| GLOWWORM ENERGY 25C | — | — | — | |
| GLOWWORM ENERGY7 25C | 47-019-60 | 47-019-60 | — | — |
| GLOWWORM ESSENTIAL 24C | 47-019-27 | 47-019-27 | — | — |
| GLOWWORM ESSENTIAL 24C - P | 47-019-39 | 47-019-39 | — | — |
Showing 10 of 14 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 — BETACOM 3 24C (GC 47-019-41)
manualmanualGLOWWORM appliance manual — BETACOM 4 24C (GC 47-019-52)
manualmanualGLOWWORM appliance manual — EASICOM 2 24C (GC 47-019-22)
manualmanualGLOWWORM appliance manual — EASICOM 3 24C (GC 47-019-50)
manualmanualGLOWWORM appliance manual — ENERGY 25C (GC 47-019-24)
manualmanualGLOWWORM appliance manual — ESSENTIAL 24C (GC 47-019-27)
manualmanualGLOWWORM appliance manual — ESSENTIAL 24C - P (GC 47-019-39)
manualmanualGLOWWORM appliance manual — SUSTAIN 25C (GC 47-019-32)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.