Raise the winter reliability of your Smidley livestock waterers with this OEM 245 W D‑shaped heating element—built for easy “drop-in” installation into most Smidley cattle fountains and 4‑drink hog bars. Operating at 120 V, this element works seamlessly with Smidley thermostats to provide effective freeze protection where you need it most. (Note: Not compatible with old-style single‑drink hog bars, 2-drink hog bars, or #2 cattle fountains.)