York S1-025-45292-000 3/8×5/8″ R-410A 4-Ton Thermostatic Expansion Valve

Description

York S1-025-45292-000 Thermostatic Expansion Valve Overview

The York S1-025-45292-000 is an OEM thermostatic expansion valve (TXV) engineered for reliable, precise refrigerant metering in R-410A cooling systems. Designed for 4-ton capacity applications, this valve features 3/8″ liquid line and 5/8″ suction line connections, making it a direct-fit replacement for compatible York and Johnson Controls equipment.

Key Features

• OEM York replacement thermostatic expansion valve
• Rated for R-410A refrigerant systems
• 4-ton (48,000 BTU/hr) capacity rating
• 3/8″ liquid line inlet connection
• 5/8″ suction line outlet connection
• Precisely meters refrigerant flow to maintain optimal superheat
• Helps maximize system efficiency and protect the compressor
• Direct OEM replacement for York equipment — no modifications required

Application

This TXV is intended for use in York residential and light commercial split-system air conditioners and heat pumps that utilize R-410A refrigerant at a 4-ton capacity. Always verify compatibility with the equipment model before installation.

Why Use an OEM TXV?

A properly functioning thermostatic expansion valve is critical to system performance. It regulates the flow of liquid refrigerant into the evaporator coil, maintaining the correct superheat level to prevent liquid slugging at the compressor and ensure efficient heat transfer. Using a genuine York OEM replacement guarantees fit, function, and long-term reliability.

Specifications

• SKU: S1-025-45292-000
• Brand: York
• Refrigerant Type: R-410A
• Capacity: 4 Ton
• Liquid Line Connection: 3/8″
• Suction Line Connection: 5/8″
• Valve Type: Thermostatic Expansion Valve (TXV)