Grohe Servo Discharge Valve

Say goodbye to frustrating toilet flush issues with the Grohe Servo Discharge Valve that restores reliable performance to Grohe Adagio and similar concealed cistern systems, making every flush smooth and efficient. Designed as an essential sanitaryware accessory, this pneumatic valve directly controls water release when the flush button is pressed, so you'll find it's the key part to fix weak or continuously running flushes—just make sure your system uses single flush before ordering.