Description
Daikin-McQuay 403589604 R-410A Thermostatic Expansion Valve
The Daikin-McQuay 403589604 is a genuine OEM thermostatic expansion valve (TXV) engineered for reliable refrigerant metering in 8-ton commercial HVAC systems operating on R-410A refrigerant. Designed as a direct OEM replacement, this valve ensures precise superheat control to maximize system efficiency and protect the compressor from liquid slugging.
Key Features
- Genuine Daikin-McQuay OEM replacement TXV
- Rated for 8-ton system capacity
- Compatible with R-410A refrigerant
- 5/8″ ODF inlet connection
- 7/8″ ODF outlet connection
- Provides accurate superheat regulation for optimal system performance
- Protects compressor from liquid refrigerant slugging
- Direct drop-in replacement for Daikin-McQuay commercial equipment
Application
This TXV is designed for use in Daikin-McQuay commercial air conditioning and refrigeration systems requiring an 8-ton R-410A expansion device. It meters liquid refrigerant into the evaporator coil, maintaining proper superheat levels to ensure peak system efficiency and long-term equipment reliability.
Specifications
- SKU: 403589604
- Brand: Daikin-McQuay
- Refrigerant: R-410A
- Capacity: 8 Ton
- Inlet Connection: 5/8″ ODF
- Outlet Connection: 7/8″ ODF
- Valve Type: Thermostatic Expansion Valve (TXV)







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