Worcester Bosch 87161064310 Pressure Relief Valve (PRV) – 3 Bar
Genuine Worcester pressure relief valve for Greenstar and Greenstar ErP boilers. Opens at 3 bar to safely discharge excess pressure and protect the heating circuit.
Key specifications
| MPN | 87161064310 |
|---|---|
| Operating pressure | 3 bar |
| Includes | Clip & O-ring (as supplied by most merchants) |
| Material/finish | Black plastic PRV assembly (Type 1) or brass body (Type 3) — appearance varies by boiler generation |
| Typical item weight | ~0.05 kg |
| GTIN/EAN | 4010009876014 |
Compatible Worcester boilers (examples)
Popular Greenstar models
- Greenstar 24i / 28i Junior (Mk5)
- Greenstar 25Si / 30Si
- Greenstar CDi / CDi Classic range (selected 25–42 kW)
- Greenstar i System 12–30 kW (selected)
Check the appliance parts list by GC/FD number to confirm fit.
What’s in the box
- 1 × Worcester PRV, MPN 87161064310
- Clip & O-ring (typical)
Installation
Safety components must be fitted and commissioned by a qualified engineer in accordance with local regulations and manufacturer instructions.
