The Kohler Genuine 1237539 Fill Valve is a critical component in a toilet tank. Let’s explore its features:

• Function: The fill valve controls the water flow into the toilet tank after flushing. When the tank empties during flushing, the fill valve opens to allow water to refill the tank.
• Design: Kohler designs this fill valve to be efficient and reliable. It ensures proper water level maintenance and smooth refilling.