Siamp Flush Valve * Optima S * New Style Dual Flush with Push Button

Genuine Siamp Spare. Replacing this for other Siamp valves allows you to install a new one without having to unbolt the pan and cistern making it so much quicker and easier! The Optima S flush valve will replace an Optima 49, 50, Skipper 45 & Storm 33a also.

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