Madison M8700 Plastic Side-Mounted Liquid Level Float Switch with Polypropylene Stem, 30 VA SPST, 1/2" x 1/2" NPT Male, 100 psig Pressure Side-mounted liquid level switch has a polypropylene stem and a polypropylene float Polypropylene is typically suitable for use with acidic liquids such as those found in electroplating and metal cleaning Also a great option for lower temperature food operations Polypropylene material is a good choice for commercial appliances and equipment as well Nominal current rating(s): 30 VA SPST switch