This L190-40F limit switch acts as a thermal safeguard

This combustion air inducer motor is a complete 115V

Optimized Flow Dynamics: Maintains peak system efficiency by reducing turbulence and pressure loss during the refrigerant cycle transition

Robust Construction: Engineered with high-quality diaphragm materials to withstand repeated cycling in blowers and air handlers

as the control board cannot verify safe venting

Daikin-McQuay 057542901 Switch 320720-756 This L190-40F limit switch actsThe Daikin McQuay 057542901 Switch is a high reliability 4 pole rotary switch designed specifically for fan speed modulation and circuit control in commercial HVAC systems, including Fan Coil Units (FCU). As an essential component for maintaining precise airflow, this McQuay selector switch features a multi deck configuration that manages multiple circuits simultaneously. Whether you are performing a service on a vintage McQuay air conditioner or a