Worcester Bosch
Worcester Bosch Mixing Unit Greenstar 8000 Life 87186625180
Worcester Bosch mixing unit 87186625180 for Greenstar 8000 Life combi, regular and system boilers.
At a glance
- Part type: Mixing unit
- Appliance family: Greenstar 8000 Life
- Also known as 2249218
- This part is fitted to a gas appliance; installation 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
The Worcester Bosch 87186625180 is a mixing unit supplied for appliances in the Greenstar 8000 Life range. It sits within the hydraulic circuit of the boiler and controls how water is blended through the appliance, which in turn affects the temperature delivered to the heating and hot water side. The unit is listed against Worcester Bosch part number 87186625180 and carries the alternative number 2249218.
Signs this part needs replacing
- Hot water temperature that fluctuates or will not hold a steady setting
- Heating flow temperature drifting from the value set at the controls
- Boiler locking out or cycling shortly after a demand for heat or hot water
- Unusual noise from the hydraulic section during operation
- Visible scale, debris or seal damage on the unit when the appliance is opened up
Before you order
- Check the GC number and serial plate on the appliance to confirm the exact model before ordering.
- Compare the part number on the existing component with 87186625180 to confirm a like-for-like swap.
- Inspect the surrounding seals and connections while the appliance is open, as these are often disturbed during replacement.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Mixing unit |
|---|---|
| Appliance family | Greenstar 8000 Life |
Compliance
| Manufacturer part number (MPN) | 87186625180 |
|---|---|
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | 2249218 |
| 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 REGULAR GR8300iW 30 R LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R NG | 41-406-98 | 41-406-98 | — | — |
| WORCESTER GREENSTAR 8000 LIFE SYSTEM GR8300iW 30 S LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE SYSTEM GR8300iW 30 S NG | 41-406-91 | 41-406-91 | — | — |
| WORCESTER GREENSTAR 8000+ STYLE COMBI GR8700iW 30 C LPG | — | — | — | |
| WORCESTER GREENSTAR 8000+ STYLE COMBI GR8700iW 30 C NG | 47-800-03 | 47-800-03 | — | — |
| WORCESTER GREENSTAR 8000+ STYLE COMBI GR8700iW 30 CB LPG | — | — | — | |
| WORCESTER GREENSTAR 8000+ STYLE COMBI GR8700iW 30 CB NG | 47-406-97 | 47-406-97 | — | — |
Showing 10 of 46 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 LIFE GR8300iW 30 C LPG, GREENSTAR LIFE GR8300iW 30 C NG (GC 47-800-18)
manualmanualWORCESTER appliance manual — GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R NG (GC 41-406-98), GREENSTAR LIFE GR8300iW 30 R LPG, GREENSTAR LIFE GR8300iW 30 R NG (GC 41-406-98)
manualmanualWORCESTER appliance manual — GREENSTAR 8000 LIFE SYSTEM GR8300iW 30 S LPG, GREENSTAR 8000 LIFE SYSTEM GR8300iW 30 S NG (GC 41-406-91), GREENSTAR LIFE GR8300iW 30 S LPG, GREENSTAR LIFE GR8300iW 30 S NG (GC 41-406-91)
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 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 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)
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