G2666 Analog Panel Mount Thermometer Vapor Actuated 0 Degrees to 100 Degrees Temp Range (F) Dial Size 3-1/2 In. Mounting Surface with Back Outlet Tube Length 60 In. Case Material Stainless Steel Lens Material Polycarbonate Tube Material Bronze Braided Copper Sensor Material Copper Sensor Length 1.87 In. Sensor Dia 0.437 In. Sensor Connection 1/2 in NPT 17 Degrees to 37 Degrees Temp Range (C) Accuracy +/-1 Scale Division