The Ideal Standard dual flush valve is built so there's no need to remove the entire cistern to service the valve. Simply turn the valve in an anti-clockwise direction to pull the mechanism out..
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Technical Specifications
ERP (Energy Efficiency)NTypeFlush ValvesToilet Cistern CapacityFTW--MaterialPlasticSupplier Part NumberSV93467Brand NameIdeal Standard
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Ideal Standard 1-1/2'' pneumatic dual flush valve with basket SV93467