Description
Worcester 8716121405 Syphon Hose for Greenstar 4000 Bosch Genuine Replacement Part 12 Month Warranty
Genuine Worcester Bosch 8716121405 Syphon Hose
The Worcester Bosch 8716121405 Syphon Hose is a genuine replacement part designed for selected Greenstar 4000 boilers.
The syphon hose forms an important part of the boiler’s condensate drainage system, safely directing condensate from the heat exchanger to the condensate trap and waste outlet. Replacing a damaged or worn hose helps maintain efficient boiler performance and prevents leaks or drainage issues.
Manufactured by Worcester Bosch, this genuine replacement part is built to the original equipment specification for a precise fit and dependable operation.
Product Details
- Manufacturer: Worcester Bosch
- Genuine Worcester Bosch Part
- Part Number: 8716121405
- Product Type: Syphon Hose
- Condition: Brand New Genuine Part
- 12 Month Warranty Included
Compatibility
Suitable for selected Worcester Bosch Greenstar 4000 boiler models, including:
| Fits Appliance(s) | GC No. |
| Gr4700IW 12s LPG | 41-800-08 (7733600378) |
| Gr4700IW 12s NG | 41-800-07 (7733600377) |
| Gr4700IW 15s LPG | 41-800-10 (7733600380) |
| Gr4700IW 15s NG | 41-800-09 (7733600379) |
| Gr4700IW 18s LPG | 41-800-12 (7733600382) |
| Gr4700IW 18s NG | 41-800-11 (7733600381) |
| Gr4700IW 21s LPG | 41-800-14 (7733600384) |
| Gr4700IW 21s NG | 41-800-13 (7733600383) |
| Gr4700IW 24s LPG | 41-800-16 (7733600386) |
| Gr4700IW 24s Ng | 41-800-15 (7733600385) |
| Gr4700IW 25c LPG | 47-800-31 (7733600372) |
| Gr4700IW 25c Ng | 47-800-30 (7733600371) |
| Gr4700IW 30c LPG | 47-800-33 (7733600374) |
| Gr4700IW 30c Ng | 47-800-32 (7733600373) |
Important: Please ensure Part Number 8716121405 matches your existing component before ordering. Compatibility may vary depending on the appliance serial number.
If you’re unsure, contact us with your boiler model and serial number and we’ll be happy to confirm compatibility.
Warranty
This genuine Worcester Bosch part is supplied with a 12 Month Warranty for complete peace of mind.








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