Madison M5910 Stainless Steel Side Mounted Liquid Level Float Switch, 30 VA SPST, 1/2" x 1/4" NPT Male, 300 psig Pressure Side-mounted liquid level switch has a stainless steel stem and a stainless steel float Stainless steel stems and floats are well suited for corrosive environments Commonly used in food processing, medical, heating and cooling equipment 1/2" NPT x 1/4" NPT fitting CE, CSA, Explosion Proof, NSF International, UL Approved