872-061

This high-quality Door Switch is an essential safety component for residential and commercial HVAC systems, including furnaces and air handlers. Functioning as a safety interlock, it ensures that the blower motor and other internal electrical components are deactivated whenever the access panel is removed. This protects homeowners and service technicians from accidental contact with moving parts or live electricity during maintenance. If your furnace is not receiving power or the blower fails to kick on after the service door is closed, a replacement door switch is often required to restore proper functionality. Built for durability and precise electrical response, this switch ensures your heating and cooling system operates only under safe, fully enclosed conditions.
Type: HVAC Safety Interlock Switch
Size: Compact
Application: Used in forced-air furnaces, air handlers, and HVAC blower compartments to act as a safety disconnect when access panels are opened.
Specifications: Momentary contact configuration; push-button plunger design; standard electrical terminal connections; heat-resistant housing.