compatible with most standard residential blower motor shafts

By stabilizing the voltage and current to the auxiliary windings

necessitating a physical reset by a technician—essential for identifying the root cause of low-pressure trips

This orifice is specifically engineered for the TUA and TUAE stainless steel expansion valves

This is a normally open (NO) switch

Carrier HK06MB020 Pressure Switch 321894-709 compatible with most standard residentialThe 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