Carrier HH18HV160 Limit Switch 323080-701 provided the media pH remains

provided the media pH remains between 7 and 10

This furnace motherboard includes an onboard diagnostic LED code system

Always cross-reference your unit's rating plate and serial number to ensure this is the correct fuel conversion path for your specific model

This transformer is designed for a 460V primary input to step down power for 230V control circuits

Is an upstream regulator required

Carrier HH18HV160 Limit Switch 323080-701 provided the media pH remainsThe Carrier HH18HV160 Limit Switch is a critical safety component engineered for precise thermal management in residential and commercial furnaces. This OEM Carrier replacement part functions as a high limit safety cut out, specifically calibrated to a 157 160F temperature range to prevent heat exchanger damage and hazardous overheating conditions. Utilizing a highly responsive bimetallic sensor, this auto reset limit switch automatically opens the