Concealed Cistern Flush Valve CERSANIT K99-0070 for WC cisterns

The CERSANIT Concealed Cistern Flush Valve K99-0070 is designed for use in concealed WC cisterns, providing controlled water flow for full and partial flush operations. Intended for both replacement and new installations, this flush valve offers a compact mechanism that fits inside concealed cistern systems and works with compatible inlet and outlet assemblies to ensure reliable sealing and stable performance during flushing.

Advantages

This flush valve delivers consistent water control and a reliable seal to prevent leaks and reduce maintenance needs. Its design supports both full and partial flush options when installed with appropriate controls, helping to reduce water consumption in everyday use. The unit is suitable for straightforward replacement within compatible concealed cisterns and is engineered for long-term operation under normal household conditions.

Suitable for

• Replacement of worn or faulty flush valves in compatible concealed WC cisterns
• Installation in new concealed cistern systems during bathroom refurbishment
• Applications requiring selectable full or partial flush operation for water saving
• Residential and light commercial washroom installations where compatibility is confirmed

Key specifications

• Type: Flush valve for concealed cisterns designed for WC flushing
• Operation modes: Supports full and partial flush configurations depending on installation setup
• Material: Durable plastic components suitable for potable water systems
• Sealing: Integrated sealing surfaces to prevent leaks when correctly fitted
• Compatibility: Intended for use with compatible concealed cistern systems and matching inlet/outlet fittings

How to use

Install the flush valve inside the concealed cistern following the cistern manufacturer's instructions and the valve's alignment requirements. Ensure water supply is turned off before removal of the cistern cover and when fitting the valve. Position and secure the valve according to the cistern geometry, check seals and connections, then restore water supply and test both full and partial flush functions to confirm correct operation and absence of leaks.

Usage recommendations

Verify compatibility with your concealed cistern model prior to purchase. Use only compatible flush plates, control rods, and inlet fittings to maintain proper flush performance. Periodic inspection of seals and moving parts will help sustain leak-free operation; replace worn seals promptly to avoid water loss.