A solenoid is a device consisting of a wire coil, a housing, and a movable plunger (armature). When an electric current passes through the coil, it generates a magnetic field that pulls the plunger inward. Essentially, a solenoid transforms electrical energy into mechanical motion。
Ng Kim Hock –
The Solenoid Coil works well and is dependable. Installation took a bit of effort, but it is reliable once installed.