Description
Worcester 87377046110 Diverter Valve Motor – Compatible with Greenstar & Heatslave
The Worcester Diverter Valve Motor 87377046110 controls the direction of hot water flow inside your boiler. It ensures water is sent either to the central heating system or to the taps, depending on demand. This refurbished diverter valve motor restores proper switching function, helping your Worcester Greenstar or Heatslave boiler deliver consistent heating and hot water performance. Each unit is cleaned, tested, and verified to meet reliable operational standards.
Compatible Boilers
Worcester Greenstar Compact Series
533 Compact (GC No. 47-406-58)
533 Compact ErP (GC No. 47-406-83)
535 Compact (GC No. 47-406-59)
535 Compact ErP (GC No. 47-406-84)
Worcester Greenstar CDI Compact Series
Greenstar 28 CDI Compact (GC No. 47-406-44)
Greenstar 28 CDI Compact LPG (GC No. 47-406-45)
Greenstar 32 CDI Compact (GC No. 47-406-46)
Greenstar 32 CDI Compact LPG (GC No. 47-406-47)
Greenstar 28 CDI Compact ERP (GC No. 47-406-77 / 7733600054)
Greenstar 28 CDI Compact ERP LPG (GC No. 47-406-78 / 7733600057)
Greenstar 32 CDI Compact ERP (GC No. 47-406-79 / 7733600055)
Greenstar 32 CDI Compact ERP LPG (GC No. 47-406-80 / 7733600058)
Greenstar 36 CDI Compact ERP (GC No. 47-406-81 / 7733600056)
Greenstar 36 CDI Compact ERP LPG (GC No. 47-406-82 / 7733600059)
Worcester Greenstar i Combi ERP Series
Greenstar 25i Combi ERP (GC No. 47-406-60 / 7733600012)
Greenstar 25i Combi ERP LPG (GC No. 47-406-61 / 7733600031)
Greenstar 30i Combi ERP (GC No. 47-406-62 / 7733600005)
Greenstar 30i Combi ERP LPG (GC No. 47-406-63 / 7733600032)
Worcester Greenstar Si Compact Series
Greenstar 25 Si Compact (GC No. 47-406-50)
Greenstar 25 Si Compact LPG (GC No. 47-406-51)
Greenstar 30 Si Compact NG (GC No. 47-406-52)
Greenstar 30 Si Compact LPG (GC No. 47-406-53)
Greenstar 25 Si Compact ERP (GC No. 47-406-73 / 7733600050)
Greenstar 25 Si Compact ERP LPG (GC No. 47-406-74 / 7733600051)
Greenstar 30 Si Compact ERP (GC No. 47-406-75 / 7733600052)
Greenstar 30 Si Compact ERP LPG (GC No. 47-406-76 / 7733600053)
Worcester Heatslave II Series
Heatslave II 12/18 (GC No. 7716100129)
Heatslave II 12/18 ERP (7731600047)
Heatslave II 12/18 ERP+ (7731600165)
Heatslave II 12/18 External (7716100138)
Heatslave II 12/18 External ERP+ (7731600168)
Heatslave II 18/25 (GC No. 7716100130)
Heatslave II 18/25 ERP (7731600048)
Heatslave II 18/25 ERP+ (7731600166)
Heatslave II 18/25 External (7716100139)
Heatslave II 18/25 External ERP+ (7731600169)
Heatslave II 25/32 (GC No. 7716100131)
Heatslave II 25/32 ERP (7731600049)
Heatslave II 25/32 ERP+ (7731600167)
Heatslave II 25/32 External (7716100140)
Heatslave II 25/32 External ERP+ (7731600170)
If you’re looking for a Worcester Greenstar Life GR8300IW 30C Greenstar Diverter Valve 87161068450 87161068470 or any other different Worcester Diverter Valve, follow the links provided.
Why Choose This Product?
This refurbished Worcester Diverter Valve Motor provides dependable water flow control, ensuring smooth switching between heating and hot water. It helps fix issues such as delayed heating or no hot water supply. Each motor is refurbished, tested, and verified for consistent operation. Choosing this part is an affordable and sustainable way to restore your boiler’s performance, extending its lifespan while maintaining efficiency and safety.
Delivery and Return
Orders placed before 1 PM are dispatched the same working day. You can select standard or next-day delivery at checkout. Returns are accepted within 30 days if the item is unused and in its original condition. Always ensure installation is performed by a Gas Safe registered engineer for safe and correct fitting.
Frequently Asked Questions (FAQs)
1. What does the Worcester Diverter Valve Motor 87377046110 do?
The Worcester Diverter Valve Motor 87377046110 controls the flow of hot water inside your boiler. It switches water between the central heating system and the taps depending on demand, ensuring efficient operation and consistent hot water supply.
2. Which Worcester boilers are compatible with this diverter valve motor?
This diverter valve motor fits a wide range of Worcester boilers, including Greenstar Compact, CDI Compact, Si Compact, i Combi ERP, and Heatslave II series. Check your boiler’s GC number or model name against the compatibility list to confirm fitment.
3. Can a faulty diverter valve motor affect my heating or hot water?
Yes. A faulty diverter valve motor can cause issues such as no hot water, delayed heating, or inconsistent temperature control. Replacing the motor restores proper water flow and reliable boiler performance.
4. Is this Worcester diverter valve motor new or refurbished?
This part is refurbished. Each motor is cleaned, inspected, and tested to meet reliable performance standards. It provides a cost-effective and sustainable alternative to purchasing a new component.
5. Do I need a professional to install this part?
Yes. Always have a Gas Safe registered engineer carry out installation or replacement. This ensures your boiler operates safely and complies with regulations.






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