The York 13623-1-AW1 Expansion Valve/TXV Kit is a 3-ton thermostatic expansion valve designed for precise refrigerant flow control in York HVAC systems using R-410A refrigerant. It features 3/8" ODF inlet and 5/8" ODF outlet connections, ensuring accurate superheat regulation and optimal system performance under varying load conditions. Built with high-quality materials, this TXV helps maintain efficiency, reliability, and consistent temperature control across your cooling system. Key Features: Genuine York OEM expansion valve kit. Designed for R-410A refrigerant. 3-ton capacity for mid-size residential or light commercial systems. 3/8" ODF inlet x 5/8" ODF outlet copper connections. Maintains stable superheat and system performance. Factory-calibrated for optimal refrigerant metering. Durable construction ensures long service life. Helps improve energy efficiency and compressor protection. Specifications: Part Numbers: 13623-1-AW1 Type: Thermostatic Expansion Valve (TXV) Refrigerant: R-410A Capacity: 3 Tons Inlet Connection: 3/8" ODF Outlet Connection: 5/8" ODF Application: Air Conditioner / Heat Pump Includes: TXV, Capillary, and mounting accessories (varies by kit) Manufacturer: York (Johnson Controls) Compatible Models (short list): DSV300C4N6HAA1B0D, JV40C0BW4Q1AAHA2A2, JV50N3DW4J1CES16A2, DSV180C2S6HAA1A0D, DSV180B5M2HFC2A0A, DSV240B4M3HDA2B0D, DSV240C4S5HDA1B0A, DSV240A4E1AAA0A, and more. Why Choose This Item: The York 13623-1-AW1 TXV Kit ensures optimal refrigerant control, helping your HVAC system operate efficiently and reliably under all load conditions. As a genuine OEM replacement, it provides a perfect fit, maintains factory performance standards, and prevents costly compressor wear ? restoring your system?s cooling precision and energy efficiency.