Allen Bradley 837-A2X706
837 Temperature Controls, Style A, Remote Bulb and Capillary, 50...
30.5mm Type 4/13 2 Pos. PB-Illum., Push-Pull/Twist, Red, Mushrm Hd,...
30.5mm Type 4/13 2 Pos. PB-Non-Illum., Mushroom Hd (Push-Pull), Yellow,...
30.5mm Type 4/13 Sel. Switch-Illum., 2 Pos., Transformer, 120V AC...