This Square D 9037HG36Z20 closed-tank float switch for a power circuit and use with water, hydraulic oils, and corrosive fluids attaches with screw-in bushing side-mounts to a closed-tank and activates a condensate or other pump. It has a NEMA 1 enclosure for protection, contacts that close on liquid rise, and Viton packing for media temperatures up to 250 degrees F. The float on this switch is positioned on the left at 90 degrees with a 3" offset. Square D switches are manufactured by Schneider Electric. Square D brand pressure, float, and limit switches have been synonymous with safety, quality, and reliable performance for over 100 years. First launched by Detroit Fuse and Manufacturing in 1902, the Square D brand and its products continue to earn customer trust today.