Carrier HK06MB020 Pressure Switch 30067439-890 the KH-AF-1 offers adjustable stroke

the KH-AF-1 offers adjustable stroke lengths to fine-tune the mechanical advantage and ensure full closure or opening of the damper blades

Will this switch replace a dual-port vacuum sensor

minimizing sensor drift and HVAC troubleshooting callbacks

Field Interchangeability: Direct replacement for the Johnson Controls SEC99AA-60C

Field Serviceability: The take-apart TCLE 5 HW 100 design allows the power head and cage to be serviced without removing the entire valve body

Carrier HK06MB020 Pressure Switch 30067439-890 the KH-AF-1 offers adjustable strokeThe Carrier HK06MB020 Dual Pressure Switch is a high precision safety and control component specifically engineered for multi stage gas furnace and HVAC applications. This genuine OEM replacement part features a dual stage sensing mechanism designed to monitor draft pressure across different firing rates, ensuring the inducer motor maintains proper combustion airflow before the ignition sequence begins. With a first stage setpoint of 0. 30 inches WC