Oli Decor Mechanical Flush Valve with Button — OL0507570
The Oli OL0507570 is an authentic replacement Decor mechanical outlet flush valve complete with operating push button, engineered for compatible Oli concealed and exposed cisterns. Designed to restore crisp, responsive flushing, this complete outlet valve mechanism replaces worn, calcified, or continuously running internal assemblies to eliminate water waste into the pan and return your cistern to smooth, reliable performance.
Identification Guide:
MPN: OL0507570 | EAN: 5601314228918 | Range: Decor Series | Actuation Type: Mechanical | FTB SKU: FTB12888
Key Features
- Original Fit: Precision-molded to match factory mounting bayonets inside original Oli Decor cistern bodies.
- Direct Mechanical Control: Features direct push-rod activation for reliable, positive button action without air hoses.
- Includes Push Button: Complete set comes supplied with matching operating button assembly for straightforward replacement.
- High Durability: Constructed from premium non-corrosive polymers with chemical-resistant rubber base seals.
Installation Note
Always isolate the main water supply and drain the cistern prior to starting installation. Ensure the lower basket seating area is clean and free from scale buildup before locking the new valve into position and adjusting the button linkage rods.



