Lennox 12J18 TXV Kit 1.5-3 Ton R410A A/C

Description

The Lennox 12J18 is an OEM Thermostatic Expansion Valve (TXV) Kit engineered specifically for Lennox residential air conditioning systems operating on R410A refrigerant. Designed to fit 1.5- to 3-ton cooling applications, this kit delivers accurate refrigerant metering to maintain optimal system superheat, protect the compressor, and maximize overall system efficiency.

Key Features

• OEM Lennox replacement TXV kit for reliable, factory-matched performance
• Compatible with 1.5- to 3-ton Lennox R410A air conditioning systems
• Precise refrigerant flow control for consistent superheat management
• Helps protect the compressor from liquid slugging and overheating
• Supports peak system efficiency and extended equipment life
• Designed for straightforward installation by qualified HVAC technicians

Application

This TXV kit is intended as a direct OEM replacement for qualifying Lennox R410A air conditioning systems in the 1.5- to 3-ton capacity range. Proper TXV function is critical to maintaining the correct refrigerant charge distribution across the evaporator coil, ensuring efficient heat transfer and preventing performance degradation.

Important Notes

• Intended for use with R410A refrigerant only
• Installation should be performed by a licensed HVAC technician
• Always verify compatibility with the specific Lennox model before installation
• Refer to the Lennox installation and service manual for proper procedures