121-490

Ensure your HVAC system operates safely and efficiently with this professional-grade Air Proving Pressure Switch. Also referred to as an air baffle or airflow sensor, this critical safety component is designed to monitor and verify proper air pressure within your furnace or heating unit. By sensing the pressure generated by the inducer motor or blower fan, it ensures that the system only proceeds with ignition when adequate airflow is present, preventing overheating and ensuring safe combustion. If your heating system is experiencing ignition failure, frequent cycling, or error codes related to pressure sensing, this replacement air baffle is an essential fix. Built for durability and precision, it is a key part of maintaining residential and commercial climate control systems.
Type: Air Pressure Switch / Air Proving Switch
Size: Standard HVAC Component
Application: Used in forced-air furnaces, heat pumps, and central air conditioning systems to monitor airflow and ensure safe system operation.
Specifications: Safety-critical air pressure sensing, air proving functionality, high-sensitivity diaphragm mechanism.