Carrier 331709-753 Expansion Valve 323055-751 100208106 is the current manufacturer

100208106 is the current manufacturer part number and is exactly identical to the older GKT2400 and GKT2400K designations

it ensures seamless integration and maintains the tight tolerances required for industrial-grade climate regulation

With its rugged aluminum bracket design and UL-353 approved circuitry

Key Benefits: OEM Compatibility: Specifically engineered for Trane and American Standard systems to ensure a perfect fit and reliable electrical integration

the R64420 electronic controller bridge provides consistent signal processing to maintain linear control over heating stages

Carrier 331709-753 Expansion Valve 323055-751 100208106 is the current manufacturerThe Carrier 331709 753 Expansion Valve is a critical OEM replacement part engineered for high capacity 5 ton cooling systems. Designed specifically for R 22 refrigerant, this thermostatic expansion valve (TXV) provides precise superheat control by modulating the flow of refrigerant into the evaporator coil. Reliable metering is essential for maintaining HVAC system efficiency and preventing liquid slugging in the compressor, especially in older R 22