Glas-Col 3-place Proportional Power Control, 8.25 H x 4.5 W x 4.25" D, 120 V

Proportional Power Control, 8.25 H x 4.5 W x 4.25" D, Black, Silver, 120 V, 12 A, For 0.5" dia Rod, 5 lb Weight, For Use With 3-place 120 V RJ or RX Heating Mantle, For Constant Steady State Voltage To Each Position