One of these devices-called a fill valve-is connected to the water supply and controls delivery of water to the tank. When you flush a toilet, the flush lever lifts a flapper that allows the tank ...

Common Locations and Types of Main Shutoff Valves . Reviewed by Deane Biermeier. A main water shutoff valve usually uses a lever operating a ball valve to easily shut down the incoming water for ...

This can prevent spills and reduce messes and requires no special tools with its hand-operated lever. EZ Oil Drain Valves feature a ball valve mechanism to prevent leaks and are nickel plated for ...