The Intermatic T101R Timer is a versatile 24-hour mechanical timer intended for outdoor use in HVAC systems and other applications that require automatic scheduling. Its SPST switch type, which operates at 120V, effectively regulates electrical loads up to 40 Amps, which makes it perfect for lighting systems, fans, and pumps. https://www.partshnc.com/t101r-intermatic-24hr120vspstnema3-timer