Carrier HK02ZA408 Gas Switch 318423-701 the 8104-012 motor requires an

the 8104-012 motor requires an external run capacitor

often utilized before manufacturers moved to stackable 'F' filters

the 8615-040BX is the current boxed version of the original 8615-040

Technicians should inspect for clogged air filters

Carrier HK02ZA408 Gas Switch 318423-701 the 8104-012 motor requires anThe Carrier HK02ZA408 High Pressure Gas Switch is a critical safety component designed for precise pressure monitoring in residential and commercial HVAC systems. As a genuine OEM replacement part, it ensures seamless compatibility with Carrier furnaces, air conditioners, and heat pumps. This gas pressure switch functions by monitoring the system's internal atmosphere and interrupting the electrical circuit if pressures exceed safe operating limits,