Hayward ONCOM OnCommand Automation Base Controller On Command controller system is the simplest and most cost effective entry level control and automation for new or existing pools This small plastic enclosure controls single body of water pool only, spa only and pool and spa combinations with shared equipment This system includes On Command control unit, 3 temperature sensors with 15-feet cable and hose clamp Designed for fast and simple installation with large and easily accessible wiring area Fully featured control equipped with 4 high voltage relays, support for 3 motorized valves and 1 group function