Daikin-McQuay 331409905 Expansion Valve Wire Harness M12 Control Cable 49.2 ft 24VAC/DC

The Daikin-McQuay 331409905 is an OEM expansion valve wire harness designed for use in Daikin-McQuay commercial HVAC systems. This 49.2-foot (15-meter) M12 control cable assembly provides the electrical connection between the system control board and the electronic expansion valve (EXV), enabling precise refrigerant flow regulation across long routing distances within commercial rooftop units, chillers, and air handling equipment.

Key Features:

• Cable Length: 49.2 ft (15 m) — suitable for installations requiring extended wiring runs
• Connector Type: M12 industrial-grade connector for secure, vibration-resistant mating
• Operating Voltage: 24VAC/DC control signal compatible
• Application: Connects control board to electronic expansion valve (EXV) in commercial HVAC refrigerant circuits
• OEM Part: Direct factory replacement for Daikin-McQuay systems — ensures correct fit and signal integrity
• Construction: Durable multi-conductor harness rated for the demands of commercial HVAC environments

The 331409905 expansion valve harness is an essential service part for maintaining proper electronic expansion valve communication in Daikin-McQuay commercial cooling and heat pump systems. Using an OEM replacement harness ensures reliable signal transmission and system performance.