Oli Happy D Replacement Flush Valve — 852125
The Oli Happy D Replacement Flush Valve (852125 / OL0852125) is an authentic manufacturer-engineered outlet valve designed to restore peak performance to your toilet cistern. Built specifically to handle modern eco-conscious requirements, this mechanical dual-flush control block regulates water delivery cleanly, stopping internal trickles, constant leaking into the pan, or incomplete flushes caused by worn-down vintage seal seats.
Identification Guide:
MPN: 852125 / OL0852125 | Connection Type: Bayonet Push-In Twist Fit | Flush Operation: Mechanical Linkage / Flush Plate | Application: Concealed In-Wall Enclosures
Key Features
- True Drop-In Fitment: Engineered specifically to seat natively inside OLI bayonet receiver frames without structural alteration.
- Mechanical Dual Flush: Interfaces flawlessly with mechanical flush panels to provide full or water-saving partial volume options.
- High-Impact Structural Body: Injection-molded ABS construction prevents plastic warping, mineral buildup, and chemical fatigue over time.
- Factory Seal Seating: Arrives pre-fitted with a high-grade silicone washer to resolve ghost flushing instantly.
Cistern & Series Compatibility
This replacement valve is verified to fit 100% natively into built-in concealed cistern systems utilizing the **Oli Happy D (Original)** and **Happy Outlet** series configurations (frequently designated as part reference FVX29 or used in high-end hotel off-site frameworks). It features an intuitive bayonet push-in fitting that locks securely with a simple twist into the existing base basket. Note that this unit relies on direct mechanical flush-plate connections; it is not compatible with cable or pneumatic air-bellow setups.