System Compatibility: Extensively used across Nortek

For technicians troubleshooting Daikin fan motor failures or McQuay terminal unit issues

it is best practice for technicians to mount the S401 series with the coil in the upright position to prevent sediment build-up in the core tube

Common failure points include scorched thermopiles

this unit triggers a color transition from red to green to signal system pressure changes

Nordyne 1014863R Contactor 328140-751 System Compatibility: Extensively used acrossThe Nordyne 1014863R is a heavy duty 1 pole HVAC contactor engineered for consistent performance in light commercial and residential condensing units. This 24V coil contactor is rated at 25 FLA (Full Load Amps), providing a reliable switching mechanism for compressors and condenser fan motors. As an OEM compliant component, it ensures factory standard electrical clearances and terminal alignment, reducing field modification time during rapid service