This Burnham Commercial Sequencer Retrofit Kit is a specialized component designed to enhance the functionality of commercial heating systems. The kit includes a sequencer, which is an electronic device that controls the order in which various operations occur within the system. By retrofitting a heating system with this sequencer, users can achieve more efficient and effective heat distribution. Additionally, the kit contains all necessary parts for installation, including wires and connectors. It is compatible with specific models of Burnham Commercial heating systems and is intended for use by professional HVAC technicians due to its technical nature.