Grohe Adagio Single Flush Toilet Cistern Flush Valve Discharge Piston & Base Sealing Washer 43544000 Geberit Thread Diameter: 1 1/2"

Thread Diameter: 1 1/2"

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Operation: Cable

Includes both a 1/2" and 3/8" thread to fit almost any water supply and with it's compact design

Grohe Adagio Single Flush Toilet Cistern Flush Valve Discharge Piston & Base Sealing Washer 43544000 Geberit Thread Diameter: 1 1/2"If your Grohe Adagio flush valve won't seal properly and is constantly passing water into the toilet pan but there is no sign of an inlet valve failure, it could very well be that the base sealing washer and discharge piston need to be changed. Over time as the flush valve is opened and closed, small imperfections tend to occur in the surface of the rubber washer causing the washer to be warped and not providing an adequate seal. Many make the mistake