Carrier ENDWX42L21A N-coil Evaporator Coil R-410A 4 Ton

Product Description

The CARRIER ENDWX42L21A is a cased, vertical N-coil evaporator coil designed for use with R-410A refrigerant systems. It is a service replacement coil built for residential and light-commercial split-system air conditioning and heat pump applications. The cased enclosure simplifies installation in upflow and downflow air handler configurations. At approximately 4 tons of nominal capacity and a 21-inch cabinet width, this coil is sized for mid-range residential tonnage applications. Licensed HVAC technicians handle installation and refrigerant service on this component.

This coil is intended for vertical installation in cased air handler or furnace-coil cabinet configurations using R-410A refrigerant. It is a field-replacement unit suited for residential split systems where the existing coil has failed or where a system upgrade requires a matched coil replacement. The 21-inch width fits standard cabinet openings designed for 4-ton nominal equipment. Installers should verify cabinet dimensions and refrigerant line sizing prior to installation.

Key Features

• Cased enclosure for direct drop-in vertical installation
• N-coil configuration designed for efficient airflow in upflow or downflow applications
• R-410A refrigerant compatible — no CFC or HCFC refrigerant exposure
• 4-ton nominal capacity suits mid-range residential split systems
• 21-inch cabinet width fits standard coil cabinet openings
• Service replacement design streamlines field installation

Compatibility

Designed as an OEM-style service replacement N-coil for vertical cased R-410A split-system air conditioning and heat pump installations in residential applications.

Installation Notes

Installation must be performed by a licensed HVAC technician certified to handle R-410A refrigerant under EPA Section 608 regulations. The refrigerant system must be fully recovered and the air handler or furnace must be de-energized before removing the existing coil. Verify that the existing TXV or metering device is compatible with the replacement coil before completing the refrigerant circuit. Follow local mechanical codes and the manufacturer installation instructions for leak testing and system commissioning.

Technical Specifications

• Refrigerant Type: R-410A
• Nominal Capacity: 4 tons
• Cabinet Width: 21 inches
• Coil Configuration: N-coil, vertical cased
• Dimensions (L x W): 15.625 inches x 19 inches
• Weight: 46 pounds

Standard Information

• Brand: CARRIER
• Manufacturer Part Number: ENDWX42L21A