Derwent Macdee Pacific Toilet Cistern Flush Valve Recommendations disabled If your Siamp Optima 50

If your Siamp Optima 50 flush valve won't lift

Height: 280mm minimum (Height can vary due to adjustable design

Height: 325mm

Operation: Pneumatic

Universal Outlet - Compression and solvent weld outlet

Derwent Macdee Pacific Toilet Cistern Flush Valve Recommendations disabled If your Siamp Optima 50This flush valve is discontinued and spares for it are no longer manufactured. Click the button below to explore the manufacturer's recommended equivalent replacement flush valve. Please note: Purchasing the replacement flush valve will require the removal of the complete flush valve assembly. The replacement valve is not compatible with the bottom "cradle" of the Pacific flush valve.