Thomas Dudley Niagara Complete Button Replacement Set — 314318
The Thomas Dudley 314318 is an authentic complete replacement button set designed specifically for the Niagara flush valve range. Featuring a high-quality polished chrome finish, this set is the ideal solution for refreshing a worn, stiff, or pitted flush button. As a genuine Thomas Dudley component, it ensures factory-standard fitment and a smooth, reliable dual-flush operation every time.
Identification Guide:
MPN: 314318 | Finish: Polished Chrome | Compatibility: Dudley Niagara Flush Valves | Operation: Dual Flush (Full & Partial)
Key Features
- Direct Replacement: Designed to fit perfectly into cistern lids using the Niagara valve system.
- Durable Construction: Built to withstand high-frequency use in residential and commercial bathrooms.
- Easy Installation: Comprehensive set allows for a quick refresh without replacing the entire valve.
- Professional Finish: Provides a clean, modern aesthetic to match contemporary bathroom fixtures.
Installation Note
To install, simply unscrew the old button assembly from the cistern lid and replace it with the new 314318 set. Ensure the bridge of the button aligns correctly with the flush valve actuators to guarantee a responsive dual-flush action. Hand-tightening is recommended to prevent damage to the plastic threads.



