The Lennox 42W32 Expansion Valve (Part No. 100679-19) is a high-performance thermostatic expansion valve designed for use in HVAC systems utilizing R-410A refrigerant. Engineered for a nominal capacity of 7.5 tons, this valve ensures precise refrigerant flow control, improving evaporator efficiency and protecting critical system components.This OEM expansion valve is built to meet Lennox’s exact specifications, offering compatibility with a wide range of commercial and residential units. Its reliable operation helps maintain stable system pressures, optimal superheat, and energy-efficient performance even under fluctuating load conditions.Key Features:

• Designed for R-410A refrigerant systems
• Nominal capacity: 7.5 tons
• Accurate metering of refrigerant for efficient system operation
• Enhances evaporator performance and compressor protection
• OEM-certified for Lennox equipment

Ensure long-term performance and system reliability with the genuine Lennox 42W32 Expansion Valve.
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