Glow-worm
Glow-worm Water Cock 22mm x 22mm BEM S230403
Glow-worm water cock with 22mm x 22mm BEM connections, part S230403, for isolating the water supply on compatible appliances.
At a glance
- Also known as 1335155
Showing prices
£0.01
£0.01 ex. VAT · VAT at 20%
In stock
Cut-off passed — dispatches next working day
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
Water cock, 22mm x 22mm BEM, manufactured by Glow-worm under part number S230403. It is an isolation valve used to shut off the water supply within compatible Glow-worm appliances, allowing safe drainage and servicing of the water circuit.
Signs this part needs replacing
- Water weeping from the valve body, spindle or connections
- The spindle is stiff, seized or will not turn by hand
- The valve no longer shuts off the water supply when closed
- Corrosion or limescale visible around the valve or its connections
Before you order
- Check the appliance model against the fit list above
- Confirm the connection size at both ends before ordering
- Have the appliance data badge details to hand for verification
Compliance
| GC number | 392-888 |
|---|---|
| Barcode / EAN | 4024074501337 |
| Alternative numbers | 1335155 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM BG INTELLIGENT CONDENS | 47-047-14 | 47-047-14 | — | — |
| GLOWWORM ENERGYSAVER 100 COMBI | 47-047-02 | 47-047-02 | — | — |
| GLOWWORM ENERGYSAVER 80 COMBI | 47-047-01 | 47-047-01 | — | — |
| GLOWWORM ENERGYSAVER COMBI 2 100 | 47-047-14 | 47-047-14 | — | — |
| GLOWWORM ENERGYSAVER COMBI 2 80 | 47-047-13 | 47-047-13 | — | — |
| GLOWWORM EXPRESS 100 | 47-313-06 | 47-313-06 | — | — |
| GLOWWORM EXPRESS 100 BOILER - SIT CONTROLS | — | — | — | |
| GLOWWORM EXPRESS 80 | 47-313-04 | 47-313-04 | — | — |
| GLOWWORM FUELSAVER COMPLHEAT 30 | 41-319-14 | 41-319-14 | — | — |
| GLOWWORM FUELSAVER COMPLHEAT 40 | 41-319-20 | 41-319-20 | — | — |
Showing 10 of 24 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
manual
GLOWWORM appliance manual — ENERGYSAVER 100 COMBI (GC 47-047-02)
manualmanualGLOWWORM appliance manual — ENERGYSAVER 80 COMBI (GC 47-047-01)
manualmanualGLOWWORM appliance manual — ENERGYSAVER COMBI 2 100 (GC 47-047-14)
manualmanualGLOWWORM appliance manual — ENERGYSAVER COMBI 2 80 (GC 47-047-13)
manualmanualGLOWWORM appliance manual — EXPRESS 100 (GC 47-313-06)
manualmanualGLOWWORM appliance manual — EXPRESS 100 BOILER - SIT CONTROLS
manualmanualGLOWWORM appliance manual — EXPRESS 80 (GC 47-313-04)
manualmanualGLOWWORM appliance manual — FUELSAVER COMPLHEAT 30 (GC 41-319-14)
manualmanualGLOWWORM appliance manual — FUELSAVER COMPLHEAT 40 (GC 41-319-20), FUELSAVER COMPLHEAT 55 (GC 41-319-19)
manualmanualGLOWWORM appliance manual — FUELSAVER COMPLHEAT 65 (GC 41-319-21), FUELSAVER COMPLHEAT 80 (GC 41-319-18)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 100 - HONEYWELL CONTROLS (GC 47-313-08)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 100 - SIT CONTROLS (GC 47-313-07)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 100E (GC 47-313-18)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 120 (GC 47-313-13)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 125E (GC 47-313-19)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 75 - HONEYWELL CONTROLS (GC 47-313-14), SWIFTFLOW 75 - SIT CONTROLS (GC 47-313-15)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 75E (GC 47-313-16)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 80 - HONEYWELL CONTROLS (GC 47-313-10)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 80 - SIT CONTROLS (GC 47-313-09)
manualmanualGLOWWORM appliance manual — SWIFTFLOW 80E (GC 47-313-17)
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.