Single in wall heat control assemblies with weatherproof covers for exposed exterior locations. for 120 volt applications must use this item. includes gang box, stainless steel face plate and weatherproof front cover. 15 amp maximum load. The INF input regulator is considered an Infinite Switch . It operates with a bi-metal contact. It pulses the heater on and off as the internal contact heats up and cools down. It is considered a coarse form of control and is commonly used for electric heaters. Features 15 amp maximum load. For 120 volt applications. Stainless Steel Face Plate. UL Listed. 2 Year Warranty. Specifications Overall Dimensions 3.63 W x 4.38 H . Gang Box 4 h x 2 1/8 w x 2 1/4 d. SS Plate 4 3/8 h x 3 5/8 w. Weatherproof Cover 5 1/2 h x 3 3/4 w x 2 3/4 d Tab on cover extends 1/4 .