York S1-025-43246-000 Temperature Control 55°F Open/28°F Close SPST

The York S1-025-43246-000 Temperature Control is a part of HVAC systems that keep the temperature regulated. It is an SPST switch that controls electrical circuits depending on the set temperature it is required to sense. At 55°F the switch deactivates the electrical circuit. It also means that the circuit is closed when the switch is closed which is at temperatures below 28°F. This switch turns on and off many kinds of HVAC parts such as compressors, fans, heaters etc.