The Trane CNT07733 Low Pressure Cut-Out Switch (part number X1321041100) is a vital component designed to protect HVAC systems by preventing compressor operation under low-pressure conditions. Equipped with blue leads, this switch automatically cuts off the circuit when system pressure drops below a safe threshold, helping to prevent damage and maintain optimal performance. Key Features Low pressure cut-out protection for compressors Blue lead wires for easy identification and installation Ensures safe system operation under low refrigerant or blockage conditions Genuine OEM Trane part for reliable compatibility Durable build for long-lasting performance Specifications Part Numbers: CNT07733, X1321041100 Function: Low Pressure Cut-Out Leads: Blue wires Switch Type: Normally Closed (opens on low pressure) Application: HVAC protection/safety control Compatible Models RAUJC20EPD03A00000C1 RAUJC20EBE13A0D00002# RAUJC40EBD13A0D00J02# RAUJC25EPC13ABDF00C2 RAUJC30EBE10A0D00001 RAUJC40FPF03A0DF00C1 RAUJC30EBD13ABDF0001 RAUJC50EBE03A0D00J02# RAUJC30FBD130BD00000 RAUJC30EBF13ABD00000 Why Choose This Item Protect your Trane system with the CNT07733 Low Pressure Switch, engineered for early fault detection and compressor safeguarding. Its OEM design, clear blue wiring, and compatibility with a wide range of models make it a dependable choice for technicians and system operators seeking long-term HVAC reliability.