Daikin-McQuay 066540601 Limit Switch 321042-401 This unit is designed for

This unit is designed for field-service reliability

This International Environmental Stat Assembly typically includes the 3D115 switch

Precise Time Delay Functions: Protects the compressor and blower motor by preventing short-cycling and ensuring heat exchanger cooling

Common Questions Is the EF05BD332 compatible with R22 systems

2 lb assembly allows for easier handling and installation in tight boiler cabinets

Daikin-McQuay 066540601 Limit Switch 321042-401 This unit is designed forThe Daikin McQuay 066540601 is a high precision low temp limit switch engineered specifically for HVAC freeze protection in commercial air handling systems. As the direct replacement for 66540601, this critical safety control monitors coil temperature to prevent catastrophic failure caused by freezing conditions. Designed for integration with Daikin Applied and legacy McQuay chillers and AHUs, this manual reset device ensures the system shuts down or