One would only have to work out the rubber seal portion, possibly 3d print something in polyurethane. Or it may be making a simple spacer.
https://www.allelectronics.com/item/flw ... tor/1.html
In the printed catalog they indicate the part is made of polypropylene, which would work fine in the applications.
It comes with the reed switch like the Scorpio, but also has an extra thermistor if you wanted to measure temp in the overflow tank.