Description
The Trane THT2438 is a safety limit switch with the Trane HVAC system. This vital component shuts down the power supply when the ambient temperature gets up to 210°F to keep your equipment from overheating. THT2438 switch has a Single Pole, Double Throw configuration. It is a safety switch in simple terms, In normal operation the switch is closed, allowing power to pass to your furnace or air handler. The switch opens, breaking the circuit, and turns off the power supply when the temperature exceeds the set limit usually 210°F.
