This diaphragm/washer suits the newer 'Twist lock' inlet valve; that requires a 45 degree turn to twist off the connection to see the diaphragm. Another thing to check is to turn your old diaphragm over to look at the bottom.
eBay
Air siphon + cage SV93567. Part number is SV93567. MDPE Water Pipe Fittings. Plastic Waste Fittings. Two pneumatic tubes are included. Integral overflow at 160mm high. Includes the lower cradle / cage as per the image.
eBay
2 Sets of Seal & Clip.
eBay
NOTE: Replacing the diaphragm may not always resolve your problem as the fault could be with the valve itself but it is a cheap way to try and resolve and is usually successful. If the cistern empties then the problem is with the flush valve seal or flush valve itself.
eBay
eBay
New black & white design which replaces the all white earlier models. This is acceptance the product has been identified as correct.
eBay
Concept Cube close coupled cistern. Concept Arc close coupled cistern. Our Operations. Santorini Arc close coupled cistern. Why Buy from us?. Ventuno close coupled cistern. Contour 21 Cistern Bsio 6/4L.
eBay
HIGH QUALITY MATERIAL: Made of original rubber material, it has excellent water resistance and flexibility. We will do our best to solve your problem as soon as possible. EASY INSTALLATION: Featuring a simple DIY design, no professional skills are needed.
eBay