York S1-024-19082-740 Heat Sequencer Relay 24V

The York S1-024-19082-740 Heat Sequencer Relay is an essential part of most HVAC systems that regulate the on/off sequence of heating components. This heat sequencer relay, operating at the voltage of 24 volts, is designed to control the time and sequence of the several heating phases, thus ensuring efficient and smooth heating. The operation of the relay is such that it switches heating components or stages in a stepwise manner depending on the HVAC system. This sequencing also helps to prevent electrical overloads and in addition, makes sure that the heating system heats up at a more gradual and at a more comfortable temperature as opposed to the abrupt heating that is characteristic of some of the other rooms.