AquaCal AutoPilot Cell Cord ST DIG 24ft (952 ST DIG 24) airbuttonparts or otherwise unsuitable for continued or otherwise unsuitable for continued use The Hayward indoor vent adapter is designed for compatible Universal H150FD heater applications where a positive pressure indoor venting setup needs the correct transition part The AquaCal AutoPilot ST and DIG cell cord is built for compatible chlorine generator applications where additional cable length is needed between the cell and the control side of the system This 24 foot ST and DIG version is especially useful when the original cord is damaged or when the pad layout calls for extra reach without compromising the cable path