Worcester Bosch
Worcester Bosch Electrode With Spring 8737709581
Worcester Bosch electrode with spring, part 8737709581, for Greenstar 8000 Life combi models including GR8300iW 30 C and 35 C.
At a glance
- Part type: Electrode with spring
- Appliance family: Greenstar 8000 Life Combi
- Also known as 2249118
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Showing prices
£65.48
£54.57 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 Worcester Bosch 8737709581 is an electrode with spring, supplied as a spare for Worcester Bosch gas appliances. It forms part of the ignition and flame sensing circuit, sitting in the combustion area where it delivers the spark at the burner and feeds the flame signal back to the control board. This part is used across the Worcester Greenstar 8000 Life combi range.
Signs this part needs replacing
- The boiler fails to ignite and locks out on repeated start attempts
- No spark at the burner when the ignition sequence begins
- Flame detection faults or flame loss lockouts during running
- Visible erosion, pitting or a cracked ceramic insulator on the electrode
- Intermittent ignition that clears after a reset but returns
Before you order
- Check the GC number and appliance serial plate against the compatibility list to confirm the correct electrode for your model
- Cross-reference the alternative number 2249118 where the original marking has worn off the old part
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Electrodes & Ignitions |
|---|---|
| Appliance family | Greenstar 8000 Life Combi |
Compliance
| Manufacturer part number (MPN) | 8737709581 |
|---|---|
| Barcode / EAN | 8737709581 |
| Commodity code | 8403 90 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | 2249118 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 30 C LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 30 C NG | 47-800-18 | 47-800-18 | — | — |
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 35 C LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 35 C NG | 47-800-17 | 47-800-17 | — | — |
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 40 C LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 40 C NG | 47-800-16 | 47-800-16 | — | — |
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 45 C LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 45 C NG | 47-800-15 | 47-800-15 | — | — |
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 50 C LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE COMBI GR8300iW 50 C NG | 47-800-14 | 47-800-14 | — | — |
Showing 10 of 184 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
WORCESTER appliance manual — GREENSTAR 8000 LIFE COMBI GR8300iW 30 C LPG, GREENSTAR 8000 LIFE COMBI GR8300iW 30 C NG (GC 47-800-18), GREENSTAR 8000 LIFE COMBI GR8300iW 35 C LPG, GREENSTAR 8000 LIFE COMBI GR8300iW 35 C NG (GC 47-800-17), GREENSTAR 8000 LIFE COMBI GR8300iW 40 C LPG, GREENSTAR 8000 LIFE COMBI GR8300iW 40 C NG (GC 47-800-16), GREENSTAR 8000 LIFE COMBI GR8300iW 45 C LPG, GREENSTAR 8000 LIFE COMBI GR8300iW 45 C NG (GC 47-800-15), GREENSTAR 8000 LIFE COMBI GR8300iW 50 C LPG, GREENSTAR 8000 LIFE COMBI GR8300iW 50 C NG (GC 47-800-14), GREENSTAR LIFE GR8300iW 30 C LPG, GREENSTAR LIFE GR8300iW 30 C NG (GC 47-800-18), GREENSTAR LIFE GR8300iW 35 C LPG, GREENSTAR LIFE GR8300iW 35 C NG (GC 47-800-17), GREENSTAR LIFE GR8300iW 40 C LPG, GREENSTAR LIFE GR8300iW 40 C NG (GC 47-800-16), GREENSTAR LIFE GR8300iW 45 C LPG, GREENSTAR LIFE GR8300iW 45 C NG (GC 47-800-15), GREENSTAR LIFE GR8300iW 50 C LPG, GREENSTAR LIFE GR8300iW 50 C NG (GC 47-800-14)
manualmanualWORCESTER appliance manual — GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R NG (GC 41-406-98), GREENSTAR 8000 LIFE REGULAR GR8300iW 35 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 35 R NG (GC 41-406-97), GREENSTAR 8000 LIFE REGULAR GR8300iW 40 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 40 R NG (GC 41-406-96), GREENSTAR 8000 LIFE REGULAR GR8300iW 45 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 45 R NG (GC 41-406-95), GREENSTAR 8000 LIFE REGULAR GR8300iW 50 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 50 R NG (GC 41-406-94), GREENSTAR LIFE GR8300iW 30 R LPG, GREENSTAR LIFE GR8300iW 30 R NG (GC 41-406-98), GREENSTAR LIFE GR8300iW 35 R LPG, GREENSTAR LIFE GR8300iW 35 R NG (GC 41-406-97), GREENSTAR LIFE GR8300iW 40 R LPG, GREENSTAR LIFE GR8300iW 40 R NG (GC 41-406-96), GREENSTAR LIFE GR8300iW 45 R LPG, GREENSTAR LIFE GR8300iW 45 R NG (GC 41-406-95), GREENSTAR LIFE GR8300iW 50 R LPG, GREENSTAR LIFE GR8300iW 50 R NG (GC 41-406-94)
manualmanualWORCESTER appliance manual — GREENSTAR 8000 LIFE SYSTEM GR8300iW 30 S LPG, GREENSTAR 8000 LIFE SYSTEM GR8300iW 30 S NG (GC 41-406-91), GREENSTAR 8000 LIFE SYSTEM GR8300iW 35 S LPG, GREENSTAR 8000 LIFE SYSTEM GR8300iW 35 S NG (GC 41-406-90), GREENSTAR LIFE GR8300iW 30 S LPG, GREENSTAR LIFE GR8300iW 30 S NG (GC 41-406-91), GREENSTAR LIFE GR8300iW 35 S LPG, GREENSTAR LIFE GR8300iW 35 S NG (GC 41-406-90)
manualmanualWORCESTER appliance manual — GREENSTAR 8000+ STYLE COMBI GR8700iW 30 C LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 30 C NG (GC 47-800-03), GREENSTAR 8000+ STYLE COMBI GR8700iW 30 CB LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 30 CB NG (GC 47-406-97), GREENSTAR 8000+ STYLE COMBI GR8700iW 35 C LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 35 C NG (GC 47-800-02), GREENSTAR 8000+ STYLE COMBI GR8700iW 35 CB LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 35 CB NG (GC 47-406-96), GREENSTAR 8000+ STYLE COMBI GR8700iW 40 C LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 40 C NG (GC 47-800-01), GREENSTAR 8000+ STYLE COMBI GR8700iW 40 CB LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 40 CB NG (GC 47-406-95), GREENSTAR 8000+ STYLE COMBI GR8700iW 45 C LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 45 C NG (GC 47-406-99), GREENSTAR 8000+ STYLE COMBI GR8700iW 45 CB LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 45 CB NG (GC 47-406-94), GREENSTAR 8000+ STYLE COMBI GR8700iW 50 C LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 50 C NG (GC 47-406-98), GREENSTAR 8000+ STYLE COMBI GR8700iW 50 CB LPG, GREENSTAR 8000+ STYLE COMBI GR8700iW 50 CB NG (GC 47-406-93), GREENSTAR 8000+ STYLE SYSTEM GR8700iW 30 S LPG, GREENSTAR 8000+ STYLE SYSTEM GR8700iW 30 S NG (GC 41-406-87), GREENSTAR 8000+ STYLE SYSTEM GR8700iW 30 SB LPG, GREENSTAR 8000+ STYLE SYSTEM GR8700iW 30 SB NG (GC 41-406-83), GREENSTAR 8000+ STYLE SYSTEM GR8700iW 35 S LPG, GREENSTAR 8000+ STYLE SYSTEM GR8700iW 35 S NG (GC 41-406-86), GREENSTAR 8000+ STYLE SYSTEM GR8700iW 35 SB LPG, GREENSTAR 8000+ STYLE SYSTEM GR8700iW 35 SB NG (GC 41-406-82), GREENSTAR STYLE GR8700iW 30 C LPG, GREENSTAR STYLE GR8700iW 30 C NG (GC 47-800-03), GREENSTAR STYLE GR8700iW 30 CB LPG, GREENSTAR STYLE GR8700iW 30 CB NG (GC 47-406-97), GREENSTAR STYLE GR8700iW 30 S LPG, GREENSTAR STYLE GR8700iW 30 S NG (GC 41-406-87), GREENSTAR STYLE GR8700iW 30 SB LPG, GREENSTAR STYLE GR8700iW 30 SB NG (GC 41-406-83), GREENSTAR STYLE GR8700iW 35 C LPG, GREENSTAR STYLE GR8700iW 35 C NG (GC 47-800-02), GREENSTAR STYLE GR8700iW 35 CB LPG, GREENSTAR STYLE GR8700iW 35 CB NG (GC 47-406-96), GREENSTAR STYLE GR8700iW 35 S LPG, GREENSTAR STYLE GR8700iW 35 S NG (GC 41-406-86), GREENSTAR STYLE GR8700iW 35 SB LPG, GREENSTAR STYLE GR8700iW 35 SB NG (GC 41-406-82), GREENSTAR STYLE GR8700iW 40 C LPG, GREENSTAR STYLE GR8700iW 40 C NG (GC 47-800-01), GREENSTAR STYLE GR8700iW 40 CB LPG, GREENSTAR STYLE GR8700iW 40 CB NG (GC 47-406-95), GREENSTAR STYLE GR8700iW 45 C LPG, GREENSTAR STYLE GR8700iW 45 C NG (GC 47-406-99), GREENSTAR STYLE GR8700iW 45 CB LPG, GREENSTAR STYLE GR8700iW 45 CB NG (GC 47-406-94), GREENSTAR STYLE GR8700iW 50 C LPG, GREENSTAR STYLE GR8700iW 50 C NG (GC 47-406-98), GREENSTAR STYLE GR8700iW 50 CB LPG, GREENSTAR STYLE GR8700iW 50 CB NG (GC 47-406-93)
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.