120 Volt - Input Heater Regulator Switch INF10 is an economical way to control your 120 volt Infratech heater. Installer required to provide gang box and faceplate. Up to 15 amp max. Switch Only. 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. Custom Control Options Infratech’s INF Input Regulators offer ease of use at a cost-effective price. AEI we can provide you with various control configurations, including In-Wall or Surface Mount options, as well as with or without weatherproof covers.