Description
Lennox 12L24 R410A Expansion Valve Overview
The Lennox 12L24 is an OEM expansion valve engineered specifically for use with R-410A refrigerant in Lennox HVAC systems. Designed to precisely meter refrigerant flow into the evaporator coil, this expansion valve plays a critical role in maintaining optimal system performance, efficiency, and reliability. Choosing a genuine Lennox replacement part ensures a proper fit and long-lasting operation.
Key Features
- OEM Lennox replacement expansion valve — ensures direct compatibility with applicable Lennox equipment
- Engineered for use with R-410A refrigerant — the industry-standard environmentally preferred refrigerant
- Provides precise refrigerant metering for consistent evaporator performance
- Helps maintain system efficiency, capacity, and comfort levels
- Manufactured to Lennox quality standards for dependable, long-term operation
- Direct drop-in replacement minimizes installation time and labor
Application
The Lennox 12L24 expansion valve is intended for use in Lennox residential and light commercial air conditioning and heat pump systems that operate with R-410A refrigerant. Always verify compatibility with your specific Lennox equipment model before installation.
Why Choose OEM Lennox Parts?
Using genuine Lennox OEM components like the 12L24 ensures your system operates as designed, protecting equipment warranties and delivering the performance your customers expect. Aftermarket substitutes may not meet the precise tolerances required for reliable refrigerant control.







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