Glow-worm
Glow-worm Gas Isolation Valve 0020026409
Gas isolation valve for Glow-worm Flexicom, Ultracom and Ultimate boilers, part number 0020026409.
At a glance
- Also known as 1337917
- Gas isolation valve replacement must be carried out by a Gas Safe registered engineer.
Showing prices
£65.77
£54.81 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
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
The Glow-worm 0020026409 is a gas isolation valve for Flexicom, Ultracom and Ultimate boiler ranges. It isolates the gas supply to the boiler, allowing safe servicing and maintenance. This valve replaces the earlier code 0020020789.
Signs this part needs replacing
- The valve is stiff or seized and cannot be turned by hand.
- The valve does not fully shut off the gas supply.
- A gas smell is present around the valve.
- Visible corrosion, damage or leakage at the valve body or connections.
Before you order
- Check your boiler model against the fitment list above.
- Confirm the GC number if shown on your boiler's data badge.
- Verify the existing valve part number is 0020026409 or the replaced code 0020020789.
- Gas isolation valve replacement must be carried out by a Gas Safe registered engineer.
Compliance
| Barcode / EAN | 5037985012891 |
|---|---|
| Alternative numbers | 1337917 |
| 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 18SX | 41-315-72 | 41-315-72 | — | — |
| GLOWWORM FLEXICOM 24CX | 47-047-33 | 47-047-33 | — | — |
| GLOWWORM FLEXICOM 24HX | 41-315-61 | 41-315-61 | — | — |
| GLOWWORM FLEXICOM 30CX | 47-047-34 | 47-047-34 | — | — |
| GLOWWORM FLEXICOM 30HX | 41-315-67 | 41-315-67 | — | — |
Showing 10 of 39 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 — 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 18SX (GC 41-315-72)
manualmanualGLOWWORM appliance manual — FLEXICOM 24CX (GC 47-047-33)
manualmanualGLOWWORM appliance manual — FLEXICOM 24HX (GC 41-315-61)
manualmanualGLOWWORM appliance manual — FLEXICOM 30CX (GC 47-047-34)
manualmanualGLOWWORM appliance manual — FLEXICOM 30HX (GC 41-315-67)
manualmanualGLOWWORM appliance manual — FLEXICOM 30SX (GC 41-047-76)
manualmanualGLOWWORM appliance manual — FLEXICOM 35CX (GC 47-047-35)
manualmanualGLOWWORM appliance manual — FLEXICOM 35HX (GC 41-315-68)
manualmanualGLOWWORM appliance manual — ULTIMATE 24H (GC 41-019-15)
manualmanualGLOWWORM appliance manual — ULTRACOM 18SXi (GC 41-019-07)
manualmanualGLOWWORM appliance manual — ULTRACOM 24CX (GC 47-019-06)
manualmanualGLOWWORM appliance manual — ULTRACOM 24CXi (GC 47-019-01)
manualmanualGLOWWORM appliance manual — ULTRACOM 30CX (GC 47-019-07)
manualmanualGLOWWORM appliance manual — ULTRACOM 30CXi (GC 47-019-02)
manualmanualGLOWWORM appliance manual — ULTRACOM 30SXi (GC 41-019-08)
manualmanualGLOWWORM appliance manual — ULTRACOM 38CXi (GC 47-019-03)
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