ASCO 26390003 Valve Body 319848-301 the MC-421 actuator is a

the MC-421 actuator is a direct replacement for the MC-421-0-0-1

Key Benefits OEM Compatibility: Specifically engineered for a seamless fit within Carrier-manufactured heating systems

ensuring the combustion blower maintains proper airflow for safe ignition

Always check the physical dimensions against your existing air handler drain tray before installation

Provides robust coil support brackets that stabilize the evaporator assembly in the inverted position

ASCO 26390003 Valve Body 319848-301 the MC-421 actuator is aThe ASCO 26390003 Valve Body is a professional grade 4 way, 2 position poppet air solenoid valve body engineered for high cycle industrial automation. Featuring 1 8" NPT port connections, this genuine ASCO solenoid valve component provides exceptional flow control in pneumatic systems. Its robust poppet style design ensures a rapid response time and a bubble tight shutoff, making it a critical part for precision air handling systems and industrial