Lennox 42W34 - (100679-21) Expansion Valve (R410A)
Ensure optimal system performance and reliable refrigerant control with the Lennox 42W34 Expansion Valve. Designed specifically for R-410A refrigerant systems, this precision-engineered thermal expansion valve (TXV) plays a critical role in regulating the flow of refrigerant into the evaporator coil, ensuring efficient heat transfer and consistent cooling performance.
Key Features:
- Refrigerant Compatibility: Optimized for R-410A refrigerant systems, supporting high-efficiency HVAC applications.
- Reliable Flow Regulation: Accurately meters refrigerant based on load conditions, improving system response and reducing compressor stress.
- Factory-Calibrated: Pre-set for precise performance with designated Lennox systems, eliminating the need for manual adjustment during installation.
- Robust Construction: Built with durable materials to withstand demanding conditions, ensuring long-term reliability.
- OEM Replacement Part: Genuine Lennox component for seamless integration and consistent system operation.
Applications:
The 42W34 Expansion Valve is a direct replacement component used in Lennox residential or light commercial systems requiring R-410A refrigerant and designed for use with matched-capacity equipment. It helps maintain evaporator efficiency by adjusting refrigerant flow according to system demand, reducing the risk of coil freeze-up and enhancing overall cooling performance.
Specifications:
- Part Number: 42W34
- Lennox Item Number: 100679-21
- Type: Thermal Expansion Valve (TXV)
- Refrigerant: R-410A
- Nominal Application: Capacity-specific systems (consult system manual for exact tonnage compatibility)
Installation Notes:
For optimal performance, installation should be carried out by a qualified HVAC technician familiar with Lennox systems. Proper brazing techniques and adherence to refrigerant handling safety guidelines are required.
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