Gems series Buna N float weighted single point level switch with 20VA normally close. With a compact-sized float, slosh shield and weighted collar, the LS-750 provides liquid level detection for a wide Variety of applications. Suspend in stand pipes or sumps for leak detection duty, or drop into wells for ground-water monitoring. Supplied with 25 feet of waterproof cable. Stem and mounting material: Brass. Float material: Buna N. Other wetted material: Nylon, PVC, Beryllium Copper. Minimum liquid specific gravity: 0.45. Operating temperature for oil: -40 to 230 degree F. Operating temperature for water: to 180 degree F. Maximum pressure: 150 psi. Switch level SPST: 20VA, normally close, Dry. Electrical termination: PVC cable jacket. 1" Float diameter. 3/4" actuation level. 22 AWG, 2 conductor wire cable. UL recognized and CSA listed.