Liquid level switch has a stainless steel stem and a stainless steel float. Stainless steel stems and floats are well suited for corrosive environments as well as food processing, medical, heating, and cooling applications. For high-temperature (to 250 degree C), high-pressure (to 300 PSIG) and corrosive conditions. 22 gauze Teflon 24" lead wires. 0.55 float SG. Approvals: ABS, CE, CSA, Explosion Proof, NSF International and UL.