It easily replaces old carrier part numbers such as 326352-701

Key Benefits Direct OEM Compatibility: Verified as the official replacement for 100133559

the 174A series utilizes a non-metallic disc-to-metal seating surface to ensure positive shut-off and resistance to corrosive water conditions

it provides the industrial-grade durability required for high-cycle environments in both residential and light commercial applications

Cleveland Controls DDP-106-223 Air Flow Switch 321894-706 It easily replaces old carrierThe Cleveland Controls DDP 106 223 Air Flow Switch is a professional grade differential pressure sensing switch designed for critical HVAC proving applications and energy management systems. This dual element unit features two independently adjustable SPDT snap acting switches mounted on a common foot bracket, allowing for complex control sequences such as establishing an adjustable deadband or monitoring multiple pressure sources simultaneously. With