Description
Worcester Greenstar Water Valve 87170021100 – Combi 25 30 HE Boiler
Genuine Worcester Bosch 87170021100 Water Valve
The Worcester Bosch 87170021100 Water Valve is a genuine replacement component designed for selected Worcester Greenstar 25 HE and 30 HE Combi boilers.
Suitable for selected Worcester Bosch Greenstar boilers, including:
Compatible Boilers
- Worcester Greenstar HE 25 Combi NG
- Worcester Greenstar HE 30 Combi NG
- Worcester Greenstar HE 30 Plus Combi NG
- Worcester Greenstar HE 35 Plus Combi NG
- Worcester Greenstar HE R25 Combi NG
- Worcester Greenstar HE R30 Plus Combi NG
- Worcester Greenstar HE R35 Plus Combi NG
- Worcester Greenstar R30 HE Combi NG
- Worcester Greenstar R40 HE Plus Combi NG
- Worcester Greenstar 30 HE Plus Combi NG
- Worcester Greenstar 28kW Combi NG (FSN)
- Worcester Greenstar CC1 29kW Combi NG (FSN)
- Worcester Greenstar i Junior CC2 30kW System NG (FSN)
- Worcester Greenstar i Junior CC2 37kW System NG (FSN)
- Worcester Greenstar ZWBR 11-25 A31 Combi NG
- Worcester Greenstar ZWBR 7-25 A23 Combi NG
- Worcester Greenstar HE 27kW Combi NG (FSN GB)
- Worcester RD532 Combi NG
- Worcester RD532i Combi NG
- Worcester RD537i Combi NG
- Worcester RD542i Combi NG
- Worcester RD542i British Gas Combi NG (FSN)
- Worcester 25Si Combi NG (FSN)
- Worcester 25Si Combi LPG (FSP)
- Worcester 28Si Combi NG (FSN GB)
- Worcester 28Si Combi LPG (FSP GB)
- Worcester Si/C1 Combi NG (C1 Series FSN)
- Worcester ZWB 7-32 RD532 System NG
Important: Compatibility may vary depending on the Boiler serial number and manufacturing date. Please ensure Part Number 87170021100 matches your existing water valve before ordering.
If you’re unsure whether this part is suitable for your boiler, contact us with your boiler model and serial number and we’ll be happy to confirm compatibility.
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
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