York S1-024-19082-019 Heat Sequencer Relay 24V

The York S1-024-19082-019 Heat Sequencer Relay is an essentialpart of HVAC systems, its function is to control and coordinate the operation of heaters. This relay is designed to work with a 24V control voltage, thus making it useful in residential as well as commercial heating systems. The heat sequencer relay works through the control of the sequence in which heating elements are turned on to heat the system and avoid overloading the system. It also optimizes the heating system and extends the durability of the heating components by controlling several heating stages.