Carrier HK06MB020 Pressure Switch R-22 if your diagnostic light indicates

if your diagnostic light indicates a pressure fault

or Broan equipment

Class H high-temperature insulated coil for long service life

the ignition control will halt the startup sequence for safety

Carrier HK06MB020 Pressure Switch R-22 if your diagnostic light indicatesThe 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