Reticulation controllers for controlling the watering of lawns and gardens, electronic moisture sensors, electronic rain gauges; electrical and electronic parts; timers and controllers for reticulation and irrigation control, sensors for sensing parameters relating to watering requirements, apparatus and equipment (including hardware and software) for gaining data and controlling applications locally remotely (via networks with or without modems) in the field of reticulation and irrigation; tap (faucet) mounted watering timers; electrical solenoid operated valves for controlling water flow; electrical test equipment, solenoid locators, electrical wire and connectors therefor, transformers and power supplies