Oli OLI120 Outlet Toilet Flush Valve — OL0101756
The Oli OL0101756 is an authentic replacement outlet toilet flush valve designed specifically for Oli OLI120 in-wall concealed cisterns and frame systems. Engineered to restore optimum dual-flushing efficiency, this genuine valve replacement stops continuous water trickling into the WC bowl, ensuring a tight, reliable seal at the cistern outlet base and maintaining full control over full and partial flush cycles.
Identification Guide:
MPN: OL0101756 | Compatibility: Oli OLI120 Concealed Cisterns Only | Flush Type: Dual Flush | Material: High-Grade Engineering Polymer
Key Features
- Exact Manufacturer Fit: Designed to snap directly into OLI120 cistern housing bases without modification.
- Water Conservation: Restores full and partial dual-flush functionality to optimize water savings.
- Stops Water Leaks: Includes base sealing washer to prevent persistent water passing into the toilet pan.
- Chemical & Limescale Resistant: Molded from durable polymers to withstand aggressive water conditions.
How to Identify an OLI120 Cistern
To ensure you purchase the correct valve, check for these unique features on your concealed cistern:
- Cistern Depth: The OLI120 features a 120mm (12cm) body depth—thicker than the slim OLI74 (74mm) or Expert Evo (90mm) models.
- Internal Stamping: Check inside the inspection opening behind the flush plate for model codes starting with 0120 or OLI120 branding.



