Lennox 11Y29 Thermal Expansion Valve 3 Ton R410A

The Lennox 11Y29 is a genuine OEM thermal expansion valve (TXV) designed for 3-ton HVAC systems using R410A refrigerant. This critical component regulates refrigerant flow into the evaporator coil, maintaining optimal system efficiency and performance by ensuring the proper amount of refrigerant enters the coil based on cooling load demands.

Key Features:

• Designed specifically for 3-ton capacity air conditioning and heat pump systems
• Engineered for R410A refrigerant applications
• Genuine Lennox OEM replacement part ensures proper fit and performance
• Thermostatic element automatically adjusts refrigerant flow based on temperature
• Helps maintain proper superheat levels for system efficiency
• Direct replacement for failed or malfunctioning expansion valves

Thermal expansion valves are essential components in residential and light commercial HVAC systems, preventing liquid refrigerant from entering the compressor while maximizing heat transfer efficiency. This Lennox factory part meets original equipment specifications for reliable, long-term operation.