Siamp Cistern Diaphragm Seal Optima 49 50 Dual Flush Valve Genuine Spare Give your cistern a leak-free refresh without splashing out on a full valve replacement! This genuine Siamp 70mm seal is all you need to restore Optima 49 or 50 flush valve performance in seconds—no fuss, no hidden costs, just simple, reliable sealing. Key Benefits - Restores perfect flush every time by replacing only the worn seal - Genuine Siamp quality for a tight, long-lasting fit - Saves you time and money compared to full valve or siphon replacements - Easy DIY swap—no specialized tools or plumbing expertise required Product Features - Manufacturer: Siamp - Model Compatibility: Optima 49 and Optima 50 cistern flush valves - Seal Diameter: .
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