York S1-1TVM4K1 5/8×5/8 R-410A 6-Ton TXV with 30″ Capillary

York S1-1TVM4K1 Thermostatic Expansion Valve Overview

The York S1-1TVM4K1 is a factory-engineered thermostatic expansion valve (TXV) designed for use with R-410A refrigerant systems rated at 6 tons of cooling capacity. Featuring 5/8″ inlet and 5/8″ outlet connections along with a 30″ capillary tube, this valve delivers precise refrigerant metering to maintain optimal evaporator performance and system efficiency. It is an ideal OEM replacement or upgrade component for compatible York and Johnson Controls equipment.

Key Features

• Refrigerant: R-410A compatible
• Capacity: 6 Ton
• Inlet/Outlet Connections: 5/8″ x 5/8″
• Capillary Tube Length: 30″
• Thermostatic expansion valve (TXV) design for accurate superheat control
• OEM York/Johnson Controls replacement part
• Engineered for reliable, long-service-life performance in commercial and residential HVAC applications

Application

This TXV is suited for split-system air conditioners and heat pumps using R-410A refrigerant at 6-ton load requirements. The thermostatic expansion valve modulates refrigerant flow based on evaporator outlet superheat, protecting the compressor from liquid slugging while maximizing heat transfer efficiency. The 30″ capillary tube provides flexible bulb placement during installation.

Why Choose the York S1-1TVM4K1

• Direct OEM replacement ensures proper fit and function
• Maintains correct superheat for peak system COP
• R-410A rated for compliance with current refrigerant standards
• 5/8″ x 5/8″ sweat connections simplify field installation
• 30″ capillary tube allows versatile sensing bulb positioning