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Protective Plug for BS336 2.5" Fire HoseCoupling
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Dust cap for BS336 2.5" fire hose coupling, with chain hole. Protects outlet from dirt and debris.
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Ideas
- License
- Creative Commons — Attribution — Noncommercial
This blank plug is designed to seal BS 2.5-inch water supply outlets and protect them from dust, dirt, and contamination.
It includes a small hole for attaching a chain or cord, allowing the plug to be secured to the hydrant, vehicle, or fitting when unpluged.
⚠ Note: This part is not pressure-resistant and should only be used as a protective dust cover, not for sealing live water lines.
Printing Notes:
- Print in the shown orientation for support-free printing.

- Recommended materials: PETG or ABS for outdoor durability; PLA is suitable for indoor or demonstration use.
- No post-processing required — ready to fit once printed.