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Lennox 49K42 Thermostatic Expansion Valve TXV

Manufacturer

Picture for manufacturer Lennox

Part Number

49K42
7 reviews
Sale Price

$135.33

2 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Lennox 49K42 is a genuine OEM thermostatic expansion valve (TXV) designed for residential and light commercial HVAC systems. This precision-engineered metering device regulates refrigerant flow into the evaporator coil, maintaining optimal superheat levels to ensure efficient heat transfer and reliable cooling performance.

Key Features:

  • Genuine Lennox OEM replacement part ensures perfect fit and compatibility
  • Precision refrigerant metering optimizes system efficiency and performance
  • Maintains proper superheat levels in the evaporator coil
  • Durable construction designed to withstand demanding HVAC operating conditions
  • Helps reduce energy consumption and extend system lifespan

Thermostatic expansion valves are critical components in HVAC systems, automatically adjusting refrigerant flow based on system load conditions. The 49K42 provides accurate and dependable control, ensuring your Lennox heating and cooling equipment operates at peak efficiency. Professional installation by a qualified HVAC technician is recommended for optimal performance.

This part is so very hard to find, and when I asked to be notified when it came back in stock, I really didn't expect to hear anything. Thank you so much!

The product I was looking for had a great price at boatplicity and the shipping time was very quick, even during the holiday season.

Thanks for the delivery and it looks good thanks again !!!

Fast and great deal

I am excited to see how this exhaust fits and sounds on my car.

Great experience

50 ft of 2 sizes of bilge hoses. Wide selection. Clear descriptions. Easy navigation on the website. Excellent price point. Prompt delivery. Would purchase from Autoplicity again ...and again.

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