547-210

Ensure the safety and efficiency of your heating system with this professional-grade 7-inch high limit switch. Designed as a critical thermal safety control for furnaces and air handlers, this switch monitors the internal plenum temperature to prevent overheating. If temperatures exceed the safe operating limit, the switch automatically interrupts the circuit, protecting your HVAC equipment from damage and ensuring safe operation. This high-limit control features a 7-inch probe for accurate temperature sensing within the airflow and is an essential replacement part for heating systems experiencing frequent cycling or safety shutdowns. Ideal for both residential and light commercial HVAC maintenance, this durable sensor helps maintain optimal climate control and equipment longevity.
Type: High Limit Control Switch
Size: 7-inch probe depth
Dimensions: 7 inches (insertion depth)
Application: Used in forced-air furnaces, electric heaters, and HVAC air handling units to provide over-temperature protection and safety cycling.
Specifications: Temperature Rating: Opens at 210°F; Differential: 30°F (Closes at 180°F); Operation: Normally Closed (Opens on temperature rise); Configuration: Automatic reset.