Lennox 42W29 - (100679-15) Thermostatic Expansion Valve (TXV), R-410A, 2 Ton
The Lennox 42W29 Expansion Valve is a factory-authorized thermostatic expansion valve (TXV) engineered for Lennox HVAC systems operating with R-410A refrigerant. Designed to regulate the flow of liquid refrigerant into the evaporator coil, this precision component ensures optimal heat transfer and efficient cooling performance in residential and light commercial applications.
Product Specifications:
- Manufacturer: Lennox
- Part Number: 42W29 / 100679-15
- Type: Thermostatic Expansion Valve (TXV)
- Refrigerant Compatibility: R-410A
- Nominal Cooling Capacity: 2 Tons (24,000 BTU/hr)
- Connection Type: Flare or sweat (varies by system model)
- Application: Split-system air conditioners and heat pumps
- Function: Modulates refrigerant flow based on superheat at the evaporator outlet
Features & Benefits:
- Precision Refrigerant Control: Maintains proper superheat to ensure efficient system operation and prevent coil freezing or compressor flooding.
- Energy Efficiency: Enhances system performance by allowing precise metering of refrigerant, leading to improved SEER ratings and lower energy consumption.
- OEM Reliability: Genuine Lennox component for guaranteed compatibility, performance, and warranty support.
- Corrosion-Resistant Build: Constructed with durable, high-quality materials to withstand harsh refrigerant environments and deliver long-term service life.
- Improved System Longevity: By stabilizing evaporator operation and protecting the compressor, the TXV contributes to reduced wear and extended equipment lifespan.
- Optimized Comfort: Ensures consistent evaporator performance, contributing to stable indoor temperatures and faster system response times.
Applications:
This TXV is ideal for use in 2-ton R-410A Lennox systems, including select models of air conditioners, heat pumps, and split systems. It is commonly installed in both horizontal and vertical coil configurations where precise refrigerant flow is essential for optimal operation.
Compatibility Note:
Before installation, verify compatibility with your Lennox equipment by consulting the unit’s technical documentation or contacting a licensed HVAC technician.
The Lennox 42W29 Expansion Valve offers a dependable solution for restoring or upgrading your system’s refrigerant flow control. Whether replacing a worn component or improving system efficiency, this OEM valve ensures consistent performance and long-lasting reliability.
Available now at Beenimax.com — your trusted supplier for genuine Lennox replacement parts.