This product is no longer in production and has been replaced by SW33, VS33, SD33, SW50, VS50, SD50.
The S25 sump pumps were available with either the vertical or wide-angle tethered float switches.
They are now obsolete. The closest replacement series is this one's slightly bigger brother, the S33 series. A link to those can be seen at the top of this page. We maintain this listing so that those who own one of these can download the Owner's Manual or Spec Sheet. They are available in the Resources section below.