Carrier P540-4254 Universal TXV R-410A 2.5 to 4 Ton

Description

Carrier P540-4254 Universal Thermostatic Expansion Valve

The Carrier P540-4254 is a universal thermostatic expansion valve (TXV) engineered for R-410A refrigerant systems with a capacity range of 2.5 to 4 tons. Designed to deliver precise refrigerant metering, this TXV helps maintain optimal superheat levels across a wide range of operating conditions, protecting the compressor and maximizing system efficiency.

Key Features

• Universal TXV design for broad system compatibility
• Compatible with R-410A refrigerant
• Capacity range: 2.5 to 4 tons
• Precise superheat control for improved system performance
• Helps protect the compressor from liquid slugging
• Genuine Carrier OEM replacement part
• Drop-in replacement for simplified installation

Applications

The P540-4254 is suited for use in residential and light commercial split-system air conditioning and heat pump applications using R-410A refrigerant. Its universal design makes it a versatile solution for service and replacement across compatible Carrier equipment.

Why Choose a Genuine Carrier TXV?

Using a genuine Carrier OEM thermostatic expansion valve ensures proper refrigerant flow regulation, maintains system efficiency ratings, and helps extend the service life of the entire HVAC system. Proper TXV operation is critical to achieving rated SEER performance and preventing compressor damage due to improper superheat.