120V / 15 AMP COMMERCIAL DUTY INFINITE CONTROL KIT, ;FOR SCREW OR PALNUT MOUNT, 2-1/8″ BREAK-OFF STEM,; STEM ADAPTORS, AND DIAL, 2″ DIA, OFF-LO-2-6-HI, ;UNIVERSAL MOUNT;5 % AT LOW SETTING;INFINITE CONTROLS NOT RATED AT 22-1/2% ARE RATED AT 5%;AND PROVIDE LOWER TEMP RANGE AT LOW. ( LESS CURRENT DRAW );COMMERCIAL DUTY KITS HAVE A LARGER DIA. BREAKAWAY STEM;THAN STANDARD DUTY KITS. Replaces AllPoints 421019.