Glow-worm
Glow-worm Hydraulic Block 0020118189
Hydraulic block for Glow-worm Betacom, Easicom and Ultimate gas boilers, part number 0020118189.
At a glance
- Also known as 1340600
£33.20
£27.67 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 0020118189 hydraulic block is a diverter valve assembly used in Glow-worm gas boilers. It controls the flow of water between the heating circuit and the domestic hot water circuit. This component is fitted to several Betacom, Easicom and Ultimate models.
Signs this part needs replacing
- Heating operates when hot water is drawn
- No hot water or intermittent hot water
- Poor hot water temperature
- Water leaking from the hydraulic block area
- Boiler fails to switch between heating and hot water modes
Before you order
- Confirm your boiler model and GC number against the list above
- Check the part number 0020118189 matches the component being replaced
- Inspect the hydraulic block for visible damage or leaks before ordering
- Ensure the fault is with the hydraulic block and not another component
Compliance
| Alternative numbers | 1340600 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM BETACOM 2 24 | 47-019-16 | 47-019-16 | — | — |
| GLOWWORM BETACOM 2 28 | 47-019-17 | 47-019-17 | — | — |
| GLOWWORM BETACOM 24 A | 47-019-13 | 47-019-13 | — | — |
| GLOWWORM BETACOM 28 A | 47-019-14 | 47-019-14 | — | — |
| GLOWWORM EASICOM 24 | 47-019-18 | 47-019-18 | — | — |
| GLOWWORM EASICOM 28 | 47-019-19 | 47-019-19 | — | — |
| GLOWWORM GLOWWORM BETACOM 2 24 | — | — | — | |
| GLOWWORM GLOWWORM BETACOM 2 28 | — | — | — | |
| GLOWWORM GLOWWORM BETACOM 24 A | — | — | — | |
| GLOWWORM GLOWWORM BETACOM 28 A | — | — | — |
Showing 10 of 12 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 2 24 (GC 47-019-16)
manualmanualGLOWWORM appliance manual — BETACOM 2 28 (GC 47-019-17)
manualmanualGLOWWORM appliance manual — BETACOM 24 A (GC 47-019-13), BETACOM 28 A (GC 47-019-14)
manualmanualGLOWWORM appliance manual — EASICOM 24 (GC 47-019-18)
manualmanualGLOWWORM appliance manual — EASICOM 28 (GC 47-019-19)
manualmanualGLOWWORM appliance manual — ULTIMATE 30C (GC 47-044-48), ULTIMATE 35C (GC 47-044-49)
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.