Worcester Bosch
Worcester Bosch Valve 87186673220
Worcester Bosch 87186673220 valve for Greenstar CDi appliances, controlling water or gas flow within the hydraulic circuit.
At a glance
- Part type: Valve
- Also known as 1031245
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Showing prices
£73.62
£61.35 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 87186673220 is a valve used in the hydraulic circuit of Worcester Bosch Greenstar CDi appliances. It controls water or gas flow within the appliance, helping to maintain dependable performance across heating and hot water operation. The part sits within the diverters and hydraulics group of Worcester Bosch spares for the Greenstar CDi range.
Signs this part needs replacing
- Hot water output that has become weak, intermittent or inconsistent
- The appliance failing to respond correctly to a demand for heating or hot water
- Water weeping from the valve body or from the joints around it
- Fault codes or lockout linked to the hydraulic circuit
- Sticking or noisy operation as the appliance changes between modes
Before you order
- Check the GC number and model plate on the appliance against the compatibility list before ordering.
- Confirm the previous numbers 8-717-405-287-0 and 87174052870 if you are replacing an older version of this valve.
- Check whether a gasket or seal kit is needed for the joint when the valve is refitted.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Valves General, Assembly |
|---|---|
| Appliance family | Greenstar CDi |
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 87186673220 |
|---|---|
| GC number | J22-816 |
| Barcode / EAN | 4054925553178 |
| Commodity code | 8481 80 99 |
| GPC classification | Valves/Fittings - Water and Gas |
| Alternative numbers | 8-717-405-287-0, 1031245 |
| Previous numbers | 8-717-405-287-0, 87174052870 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 30CDI CONVENTIONAL LPG | 41-311-73 | 41-311-73 | — | — |
| WORCESTER GREENSTAR 30CDI CONVENTIONAL NG | 41-311-71 | 41-311-71 | — | — |
| WORCESTER GREENSTAR 30CDI ErP CLASSIC REGULAR LPG | 41-406-34 | 41-406-34 | — | — |
| WORCESTER GREENSTAR 30CDI ErP CLASSIC REGULAR NG | 41-406-33 | 41-406-33 | — | — |
| WORCESTER GREENSTAR 40CDI CONVENTIONAL LPG | 41-311-74 | 41-311-74 | — | — |
| WORCESTER GREENSTAR 40CDI CONVENTIONAL NG | 41-311-72 | 41-311-72 | — | — |
| WORCESTER GREENSTAR 40CDI ErP CLASSIC REGULAR LPG | 41-406-36 | 41-406-36 | — | — |
| WORCESTER GREENSTAR 40CDI ErP CLASSIC REGULAR NG | 41-406-35 | 41-406-35 | — | — |
| WORCESTER GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R NG | 41-406-98 | 41-406-98 | — | — |
Showing 10 of 44 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 30CDI CONVENTIONAL LPG (GC 41-311-73), GREENSTAR 30CDI CONVENTIONAL NG (GC 41-311-71), GREENSTAR 40CDI CONVENTIONAL LPG (GC 41-311-74), GREENSTAR 40CDI CONVENTIONAL NG (GC 41-311-72)
manualmanualWORCESTER appliance manual — GREENSTAR 30CDI ErP CLASSIC REGULAR LPG (GC 41-406-34), GREENSTAR 30CDI ErP CLASSIC REGULAR NG (GC 41-406-33), GREENSTAR 40CDI ErP CLASSIC REGULAR LPG (GC 41-406-36), GREENSTAR 40CDI ErP CLASSIC REGULAR NG (GC 41-406-35)
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)
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