Worcester Bosch
Worcester Bosch Gas Valve 8737604361
Worcester Bosch gas valve, part number 8737604361, for Greenstar 2000 and 4000 series combi and system boilers.
At a glance
- Appliance family: Greenstar 2000 and Greenstar 4000 series
- Also known as 2248986
- Gas valve replacement is a Gas Safe registered task; isolate the gas supply and follow the manufacturer's procedure.
£108.68
£90.57 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 Worcester Bosch gas valve, part number 8737604361, is a gas control component used in Worcester Bosch Greenstar 2000 and Greenstar 4000 series boilers. It regulates the supply of gas to the burner under the boiler's electronic control, so combustion output matches demand. It is listed under gas valves in the gas boiler spares range.
Signs this part needs replacing
- The boiler fails to light or locks out repeatedly, with ignition attempts but no sustained flame.
- Flame is weak, unstable or the burner drops out shortly after ignition.
- Gas valve emits a whistling, buzzing or clicking noise during operation.
- Boiler output is erratic, with the burner failing to modulate as expected.
- Fault codes relating to gas valve or flame detection appear on the boiler display.
Before you order
- Confirm the boiler model and GC number against the fit list, as the same series can use different valve variants.
- Check the part number on the existing valve matches 8737604361 before ordering.
- Confirm whether the appliance is natural gas or LPG, as fuel type is specified per model.
- Gas valve replacement is a Gas Safe registered task; isolate the gas supply and follow the manufacturer's procedure.
Mechanical
| Part type | GAS VALVES |
|---|
Compliance
| Manufacturer part number (MPN) | 8737604361 |
|---|---|
| Alternative numbers | 2248986 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 25 C NG | 47-800-26 | 47-800-26 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 30 C NG | 47-800-28 | 47-800-28 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 25 C LPG | 47-800-35 | 47-800-35 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 30 C LPG | 47-800-37 | 47-800-37 | — | — |
| WORCESTER GREENSTAR 4000 COMBI GR4700iW 25 C LPG | 47-800-31 | 47-800-31 | — | — |
| WORCESTER GREENSTAR 4000 COMBI GR4700iW 30 C LPG | 47-800-33 | 47-800-33 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 12 S LPG | 41-800-08 | 41-800-08 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 15 S LPG | 41-800-10 | 41-800-10 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 18 S LPG | 41-800-12 | 41-800-12 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 21 S LPG | 41-800-14 | 41-800-14 | — | — |
Showing 10 of 22 compatible appliances.
Documents & drawings
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