York S1-025-45298-000 3/8″ x 5/8″ ODF Thermostatic Expansion Valve

Description

York S1-025-45298-000 Thermostatic Expansion Valve Overview

The York S1-025-45298-000 is an OEM thermostatic expansion valve (TXV) engineered for precise refrigerant metering in York residential and light commercial HVAC systems. Featuring 3/8″ ODF inlet and 5/8″ ODF outlet connections, this valve is designed for direct OEM replacement to restore optimal system efficiency and performance.

Key Features

• OEM York replacement thermostatic expansion valve (TXV)
• 3/8″ ODF liquid line inlet connection
• 5/8″ ODF suction/outlet connection
• Precisely meters refrigerant flow to maintain optimal superheat
• Engineered for direct drop-in replacement in compatible York systems
• Helps restore system efficiency and protect the compressor from liquid slugging

What Is a TXV?

A thermostatic expansion valve (TXV) is a critical refrigeration component that regulates the flow of refrigerant into the evaporator coil based on superheat. By maintaining the correct refrigerant charge to the evaporator, the TXV maximizes system efficiency, prevents compressor damage, and ensures consistent cooling performance.

Applications

• York residential and light commercial split systems
• Direct OEM replacement for compatible York equipment
• Suitable for use in air conditioning and heat pump applications using the specified refrigerant

Specifications

• Brand: York
• Part Number: S1-025-45298-000
• Inlet Connection: 3/8″ ODF
• Outlet Connection: 5/8″ ODF
• Valve Type: Thermostatic Expansion Valve (TXV)