The Emerson White Rodgers 24A34-6 Four-Switch Electric Heat Sequencer is a reliable control component used in electric furnaces and HVAC heating systems. It regulates the activation of heating elements and blower motors in a timed sequence to prevent power surges and ensure smooth operation. https://www.partshnc.com/24a34-6-emerson-climate-white-rodgers-4-switch-elecheat-sequencer