Daikin-McQuay 403589607 5/8 x 7/8″ ODF 12.5-Ton TXV

Daikin-McQuay 403589607 Thermostatic Expansion Valve Overview

The Daikin-McQuay 403589607 is an OEM thermostatic expansion valve (TXV) engineered for precise refrigerant metering in commercial HVAC and refrigeration systems. Designed to handle a 12.5-ton capacity, this valve delivers reliable, responsive superheat control to protect compressors and maximize system efficiency.

Key Features

• OEM Daikin-McQuay replacement TXV for accurate fit and performance
• 5/8″ ODF inlet connection for compatibility with standard refrigerant line sets
• 7/8″ ODF outlet connection for proper downstream flow
• Rated for 12.5-ton system capacity
• Maintains consistent superheat levels to optimize refrigerant flow and protect the compressor
• Built to withstand the demands of commercial HVAC applications
• Direct OEM replacement minimizes downtime during service and repair

Application

This TXV is intended for use in Daikin-McQuay commercial cooling systems requiring a 12.5-ton expansion valve with 5/8″ x 7/8″ ODF connections. It is ideal for HVAC technicians performing direct OEM replacements on Daikin-McQuay equipment to restore factory-specified refrigerant control and system performance.

Specifications

• Brand: Daikin-McQuay
• Part Number: 403589607
• Valve Type: Thermostatic Expansion Valve (TXV)
• Inlet Connection: 5/8″ ODF
• Outlet Connection: 7/8″ ODF
• System Capacity: 12.5 Tons