Carrier EA36YD121 2-Ton R-410A 3/8″ Flare TXV Thermostatic Expansion Valve

Description

The Carrier EA36YD121 is an OEM thermostatic expansion valve (TXV) engineered for precise refrigerant flow control in 2-ton R-410A air conditioning and heat pump systems. Designed as a direct replacement for compatible Carrier equipment, this valve maintains optimal superheat levels across varying load conditions, protecting the compressor and maximizing system efficiency.

Key Features

• Designed for 2-ton R-410A refrigeration systems
• 3/8″ flare inlet connection for secure, leak-free installation
• Thermostatic expansion valve (TXV) design for precise superheat regulation
• OEM Carrier replacement part — ensures compatibility with supported equipment
• Helps maintain system efficiency and protects compressor from liquid slugging
• Suitable for use in residential and light commercial split-system applications

Product Specifications

• Brand: Carrier
• Part Number: EA36YD121
• Refrigerant Type: R-410A
• System Capacity: 2 Ton
• Connection Type: 3/8″ Flare (FLR)
• Valve Type: Thermostatic Expansion Valve (TXV)

Application

The EA36YD121 TXV is ideal for HVAC technicians performing service, maintenance, or system upgrades on Carrier 2-ton R-410A split systems. Proper TXV operation is critical to system performance — a faulty or incorrectly sized expansion valve can lead to poor cooling capacity, high superheat, or compressor damage. Installing the correct OEM-specified valve ensures your system operates within design parameters for maximum comfort and longevity.