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Lennox  |  SKU: 100679-12

Lennox 100679-12 Thermal Expansion Valve/TXV

$213.26
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The Lennox 100679-12 Thermal Expansion Valve (TXV) is a precision refrigerant metering component designed to regulate refrigerant flow into the evaporator coil. By maintaining stable superheat levels, this valve ensures consistent and reliable cooling performance throughout your HVAC system.

How It Works

The thermal expansion valve controls the amount of refrigerant entering the evaporator, preventing both under- and over-feeding of the coil. This balance is essential for maintaining optimal system efficiency, protecting the compressor, and delivering steady cooling output across varying load conditions.

Genuine OEM Quality

This is an authentic Lennox OEM replacement part, manufactured to meet the same factory specifications as the original component. Using a genuine OEM thermal expansion valve offers key advantages:

  • Matches approved factory specs for a precise, reliable fit
  • Helps preserve existing factory warranty coverage — non-OEM parts can void warranty eligibility
  • Ensures compatibility and performance consistent with the original installation

Compatible Models

This thermal expansion valve is designed to fit the following Lennox models:

  • LCT150H4-01
  • KHA102S4-01
  • LCT102H4-01

Product Details

  • Part Number: 100679-12
  • Brand: Lennox
  • Product Type: Thermal Expansion Valve (TXV)
  • Part Classification: Genuine OEM Replacement Component

Dimensions

Length: 2.5"
Width: 1.0"
Height: 1.0"

Part Lennox 100679-12 Thermal Expansion Valve/TXV fits 0 models

The Lennox 100679-12 Thermal Expansion Valve (TXV) is a precision refrigerant metering component designed to regulate refrigerant flow into the evaporator coil. By maintaining stable superheat levels, this valve ensures consistent and reliable cooling performance throughout your HVAC system.

How It Works

The thermal expansion valve controls the amount of refrigerant entering the evaporator, preventing both under- and over-feeding of the coil. This balance is essential for maintaining optimal system efficiency, protecting the compressor, and delivering steady cooling output across varying load conditions.

Genuine OEM Quality

This is an authentic Lennox OEM replacement part, manufactured to meet the same factory specifications as the original component. Using a genuine OEM thermal expansion valve offers key advantages:

  • Matches approved factory specs for a precise, reliable fit
  • Helps preserve existing factory warranty coverage — non-OEM parts can void warranty eligibility
  • Ensures compatibility and performance consistent with the original installation

Compatible Models

This thermal expansion valve is designed to fit the following Lennox models:

  • LCT150H4-01
  • KHA102S4-01
  • LCT102H4-01

Product Details

  • Part Number: 100679-12
  • Brand: Lennox
  • Product Type: Thermal Expansion Valve (TXV)
  • Part Classification: Genuine OEM Replacement Component

Dimensions

Length: 2.5"
Width: 1.0"
Height: 1.0"

Part Lennox 100679-12 Thermal Expansion Valve/TXV fits 0 models

N / A
Lennox

Lennox 100679-12 Thermal Expansion Valve/TXV

$213.26

The Lennox 100679-12 Thermal Expansion Valve (TXV) is a precision refrigerant metering component designed to regulate refrigerant flow into the evaporator coil. By maintaining stable superheat levels, this valve ensures consistent and reliable cooling performance throughout your HVAC system.

How It Works

The thermal expansion valve controls the amount of refrigerant entering the evaporator, preventing both under- and over-feeding of the coil. This balance is essential for maintaining optimal system efficiency, protecting the compressor, and delivering steady cooling output across varying load conditions.

Genuine OEM Quality

This is an authentic Lennox OEM replacement part, manufactured to meet the same factory specifications as the original component. Using a genuine OEM thermal expansion valve offers key advantages:

Compatible Models

This thermal expansion valve is designed to fit the following Lennox models:

Product Details

Dimensions

Length: 2.5"
Width: 1.0"
Height: 1.0"
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