INDEX (047R) Normally Closed (NC) A/C Low Pressure Switch Part No: 8040194P

The 8040194P (047R) Normally Closed A/C Low Pressure Switch from Interstate McBee is engineered to safeguard air conditioning systems in heavy-duty trucks. By continuously monitoring refrigerant pressure, this switch helps prevent compressor operation during low-pressure conditions that can cause damage. The normally closed design ensures consistent electrical continuity until the pressure threshold is reached. Built to meet OEM standards, it is ideal for HVAC repairs, system maintenance, and component replacement. Available from Wofford Truck Parts, this pressure switch supports dependable cooling performance and system longevity.