Worcester Bosch
Worcester Bosch mixing unit 87186625220
Genuine Worcester Bosch mixing unit, part number 87186625220, for the GR8300iW, GR8700iW and GR8701iW 45/50kW range.
At a glance
- Part type: mixing unit
- Also known as 2249220
- Gas-train work must be carried out by a Gas Safe registered engineer
Showing prices
£106.85
£89.04 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
This is a Worcester Bosch mixing unit, part number 87186625220, fitted to the higher-output GR8300iW, GR8700iW and GR8701iW boiler ranges, where it blends gas and air (or manages the flow mix) ahead of combustion.
Signs this part needs replacing
- Boiler locking out on ignition or combustion faults
- Erratic or unstable burner modulation
- Unusual combustion noise from the boiler
Before you order
- Match the part number printed on your existing unit to 87186625220 and confirm the kW output of your appliance, as a separate unit (87186618530) covers the 35-40kW models
- Isolate the gas supply before removal
- Gas-train work must be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | 2249220 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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 | — | — |
| WORCESTER GREENSTAR 8000 LIFE REGULAR GR8300iW 45 R LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE REGULAR GR8300iW 45 R NG | 41-406-95 | 41-406-95 | — | — |
| WORCESTER GREENSTAR 8000 LIFE REGULAR GR8300iW 50 R LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE REGULAR GR8300iW 50 R NG | 41-406-94 | 41-406-94 | — | — |
| WORCESTER GREENSTAR 8000+ STYLE COMBI GR8700iW 45 C LPG | — | — | — | |
| WORCESTER GREENSTAR 8000+ STYLE COMBI GR8700iW 45 C NG | 47-406-99 | 47-406-99 | — | — |
Showing 10 of 56 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 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 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 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 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+ 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 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)
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