000-828

Ensure the safety and efficiency of your heating equipment with this professional-grade high limit thermostat switch. Designed as a critical safety component for HVAC systems, this L170-40F fan disc control monitors internal temperatures to prevent overheating. The 'Blue Label' switch features a 170-degree Fahrenheit cutout point, automatically interrupting the circuit to protect your appliance from thermal damage. Once the system cools by a 40-degree differential, the switch resets, allowing for continued safe operation. This snap disc limit control is an essential replacement part for maintaining reliable performance in commercial and residential gas furnaces and air handlers.
Type: High Limit Control Switch
Size: Standard snap disc
Application: Used in gas-fired furnaces, air handlers, and HVAC heating systems to monitor temperature and provide high-limit safety protection.
Specifications: Cut-out temperature: 170°F; Differential: 40°F; Switch logic: Opens on temperature rise (Normally Closed); Label color: Blue.