Vulcan Hart 411503G1 Verticle Palnut Mount 22-1/2 % At Low Setting, 120v/15a )( Infinite ) Terminal( 5, 1/4″ Tab, , L1 L2(line) P(pilot) H1 H2(load) ), Contacts( N.o. ) (, Rotary )( 1-10 ), Shaft( 1/4″ Od, 3/4″ Lg, .187″ Flat Down ), Vulcan Dial Off Very Low Medium Low Low Medium, High A2719 # 22-1268, Gen Use Black Knob # 22-1349, 2″ Dia Off-lo-2-6-hi Universal Mount W/ 5 Inserts, Vulcan Hart, Oven Series Et & Sg Where Applicable.