When a solenoid valve (also called an electric valve or automatic sprinkler valve) fails to close it is almost always because something is stuck inside it. This might be a grain of sand, a small twig, a insect, or even a tiny snail. To fix the valve you need to disassemble and clean...
The toilet fill valve is one of two mechanisms inside a toilet tank, the other being the flush valve, which is the one you activate when you flush the toilet. After the flush completes, the fill valve swings into action to refill the tank. It's connected directly to the water supply an...
thus completing the circuit to open the gas valve to the main burner. Once the thermostat detects that the oven has reached the set point, the switch opens, the gas valve closes, and the main burner shuts off. The cycle repeats as needed. The pilot light provides a fail-safe function...
A mechanical guard extended to protect the operator from flying metal shavings. Finally, multiple cutters sculpted the metal in a precise sequence. When the part was complete the mill retracted the tools, stopped all movements, and opened the guard so the human could remove the part and replace...