Patent ID: 8851447

Claim:
An irrigation control device comprising: a coil configured to develop an electromagnetic flux sufficient to cause actuation of irrigation equipment; control circuitry electrically coupled to the coil and configured to receive, at input connections, modulated power signals from an external irrigation control unit of an irrigation control system via a control wire path coupled to the input connections, wherein the control circuitry is configured to derive control signals from the modulated power signals received from the control wire path and based on the control signals, output signaling to the coil to control the electromagnetic flux at the coil; and a housing covering at least a portion of the coil and at least a portion of the control circuitry, the housing having a wall generally extending around the coil and generally corresponding to the curvature of the coil, and a radially expanded portion including a curved wall extending around the control circuitry and having a constant radius of curvature, the curved outer wall being connected by a pair of connecting walls to the wall generally extending around the coil.