Part Number: 1173T20 (Switch) Part Number: 1173T200 (Thermal switch) Part Number: 1173T206 (Temp swtch) Part Number: 1173T21 (Thermal switch) Part Number: 1173T211 (No description) Part Number: 1173T211-1 (Switch) Part Number: 1173T212 (Switch) Part Number: 1173T217 (Temp switch) Part Number: 1173T217-1 (Thermal switch) Part Number: 1173T217-2 (Switch, pressure) Part Number: 1173T217-3 (Overheat switch) Part Number: 1173T217-4 (Thermal switch) Part Number: 1173T227 (Switch temperature) Part Number: 1173T228-1 (Switch)