543-015

Ensure your heating system operates safely and efficiently with this premium 3-inch high limit switch. Designed as a critical safety component for residential and commercial furnaces, this thermal limit control prevents dangerous overheating by automatically interrupting the heating cycle if temperatures exceed safe operating parameters. Featuring a 235-degree Fahrenheit cutout threshold and a 30-degree differential for reliable automatic resetting, this switch is essential for maintaining furnace longevity and protecting your home's HVAC system. It is a vital replacement part for restoring proper furnace function and ensuring consistent temperature regulation during the colder months.
Type: High Limit Control Switch
Size: 3-inch insertion depth
Dimensions: 3 in
Application: Commonly used in forced-air furnaces, gas heaters, and various HVAC heating units as a primary safety cutout and temperature regulator.
Specifications: Temperature Limit: Opens at 235°F; Differential: Closes at 205°F (30°F drop); Reset Type: Automatic; Sensor Type: Bimetal Disc