Daikin-McQuay 403585101 Pressure Switch 323080-701 or a failing draft inducer

or a failing draft inducer motor that isn't creating enough vacuum

For standard residential applications

50" Water Column to ensure exact safety compliance during the ignition cycle

This HVAC control board manages critical timing sequences and multi-speed blower motor functions to maintain precise airflow across the heat exchanger or evaporator coil

System Longevity: Helps maintain precise alignment between the rotary actuator and the linkage

Daikin-McQuay 403585101 Pressure Switch 323080-701 or a failing draft inducerThe Daikin McQuay 403585101 Low Pressure Switch is an essential OEM safety component designed to maintain system integrity by monitoring refrigerant levels and preventing compressor operation during loss of charge or restricted airflow conditions. Specifically engineered for Daikin and McQuay HVACR units, this low pressure cutout switch (LPCO) features a factory set 21 PSIG open (cut out) and 50 PSIG close (cut in auto reset) parameter. By integrating