Description
The Lennox 29A43 is a 3.5-ton evaporator coil engineered for use with R-410A refrigerant systems. Designed as an OEM Lennox replacement component, this coil comes factory-equipped with a Thermostatic Expansion Valve (TXV), delivering accurate refrigerant metering for optimized system efficiency, consistent superheat control, and reliable performance across a wide range of operating conditions.
Key Features
- 3.5-ton (42,000 BTU/hr) nominal cooling capacity
- Compatible with R-410A refrigerant — environmentally preferred, zero ozone depletion potential
- Factory-installed TXV for precise refrigerant flow control and improved system efficiency
- OEM Lennox replacement coil for direct, drop-in compatibility with matched Lennox systems
- Engineered for consistent superheat regulation, reducing risk of compressor flooding
- Durable coil construction designed for long service life in residential and light commercial applications
Why Choose a TXV-Equipped Coil?
Unlike fixed-orifice metering devices, a Thermostatic Expansion Valve continuously adjusts refrigerant flow in response to changing load conditions. This results in more stable suction superheat, higher system SEER ratings, and reduced wear on the compressor — making the Lennox 29A43 an ideal choice for high-efficiency split-system installations.
Application
- Residential and light commercial split-system air conditioning
- Direct OEM replacement for compatible Lennox air handler and furnace coil applications
- Designed for use with R-410A refrigerant only
Specifications
- SKU: 29A43
- Brand: Lennox
- Nominal Capacity: 3.5 Tons
- Refrigerant Type: R-410A
- Metering Device: TXV (Thermostatic Expansion Valve)
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