Key Benefits: Factory-Authorized Fit: The Carrier HC43SQ116 is an exact HVAC OEM part

ensuring proper clearance and airflow

Heavy-Duty Construction: Built to withstand industrial vibration and high-pressure differentials common in refrigeration cycles

This low pressure cut-out is typically used for pump-down control or as a safety limit to protect the compressor from operating without a proper refrigerant charge

United Electric J21K-140 Pressure Switch 324846-701 Key Benefits: Factory-Authorized Fit: TheThe United Electric J21K 140 Pressure Switch is a high sensitivity differential pressure switch engineered for precise monitoring in demanding HVAC and industrial environments. This unit utilizes opposing brass bellows to accurately detect the pressure drop across filters, coils, or heat exchangers. With an adjustable range of 0 to 6 PSID and a tight deadband of 0. 1 to 0. 4 PSI, it provides the low end resolution required for airflow proving and high