
Lennox 44W55 Collector Box
The Lennox 44W55 Collector Box is a critical OEM replacement component engineered for high-efficiency gas furnaces, specifically designed to manage the transition of flue gases and corrosive condensate. As a veteran-grade furnace collector box with gasket, this assembly (also identified by part numbers 102109-02 and 78L3901) ensures the airtight integrity required for the condensate management system. Its robust construction is specifically intended to resist the acidic byproduct of combustion, preventing premature degradation of the secondary heat exchanger. For a technician, this Lennox HVAC repair part is essential for resolving common furnace inducer assembly leaks and ensuring the vent system maintains proper static pressure. Precise fitment with the provided factory-grade gasket eliminates the risk of bypass, protecting the internal furnace housing from water damage and maintaining peak thermal efficiency across compatible G51MP and EL195 series units.
Key Benefits for Technicians
- Direct OEM Compatibility: Specifically engineered for a seamless fit in Lennox high-efficiency furnaces, including G51MP-48C and G51MP-60C models.
- Pre-Installed Gasket: Includes a high-grade collector box gasket to ensure a leak-proof seal between the heat exchanger and the inducer fan.
- Corrosion Resistance: Manufactured from specialized materials to withstand the highly acidic nature of flue gas condensate.
- Pressure Integrity: Maintains the necessary vacuum for the pressure switch to facilitate reliable furnace ignition and operation.
Common Questions about the Lennox 44W55
How do I know if the collector box needs replacement?
Inspect for visible water staining or white calcification around the 44W55 collector box edges, which indicates a breach in the gasket or a hairline crack in the housing. This typically results in pressure switch errors or water pooling in the furnace base.
Is the gasket included with the 44W55?
Yes, this collector box w/ gasket comes as a complete assembly, meaning you do not need to source the perimeter seal separately for installation.
Why is my furnace leaking water from the collector box?
Leaks often occur due to thermal stress or acidic buildup at the condensate drain ports. Replacing the entire assembly ensures the ports are clear and the seal is restored to factory specifications.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $755.31
-65%$755.31
$264.36Lennox 44W55 Collector Box
The Lennox 44W55 Collector Box is a critical OEM replacement component engineered for high-efficiency gas furnaces, specifically designed to manage the transition of flue gases and corrosive condensate. As a veteran-grade furnace collector box with gasket, this assembly (also identified by part numbers 102109-02 and 78L3901) ensures the airtight integrity required for the condensate management system. Its robust construction is specifically intended to resist the acidic byproduct of combustion, preventing premature degradation of the secondary heat exchanger. For a technician, this Lennox HVAC repair part is essential for resolving common furnace inducer assembly leaks and ensuring the vent system maintains proper static pressure. Precise fitment with the provided factory-grade gasket eliminates the risk of bypass, protecting the internal furnace housing from water damage and maintaining peak thermal efficiency across compatible G51MP and EL195 series units.
Key Benefits for Technicians
- Direct OEM Compatibility: Specifically engineered for a seamless fit in Lennox high-efficiency furnaces, including G51MP-48C and G51MP-60C models.
- Pre-Installed Gasket: Includes a high-grade collector box gasket to ensure a leak-proof seal between the heat exchanger and the inducer fan.
- Corrosion Resistance: Manufactured from specialized materials to withstand the highly acidic nature of flue gas condensate.
- Pressure Integrity: Maintains the necessary vacuum for the pressure switch to facilitate reliable furnace ignition and operation.
Common Questions about the Lennox 44W55
How do I know if the collector box needs replacement?
Inspect for visible water staining or white calcification around the 44W55 collector box edges, which indicates a breach in the gasket or a hairline crack in the housing. This typically results in pressure switch errors or water pooling in the furnace base.
Is the gasket included with the 44W55?
Yes, this collector box w/ gasket comes as a complete assembly, meaning you do not need to source the perimeter seal separately for installation.
Why is my furnace leaking water from the collector box?
Leaks often occur due to thermal stress or acidic buildup at the condensate drain ports. Replacing the entire assembly ensures the ports are clear and the seal is restored to factory specifications.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Product Information
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Description
The Lennox 44W55 Collector Box is a critical OEM replacement component engineered for high-efficiency gas furnaces, specifically designed to manage the transition of flue gases and corrosive condensate. As a veteran-grade furnace collector box with gasket, this assembly (also identified by part numbers 102109-02 and 78L3901) ensures the airtight integrity required for the condensate management system. Its robust construction is specifically intended to resist the acidic byproduct of combustion, preventing premature degradation of the secondary heat exchanger. For a technician, this Lennox HVAC repair part is essential for resolving common furnace inducer assembly leaks and ensuring the vent system maintains proper static pressure. Precise fitment with the provided factory-grade gasket eliminates the risk of bypass, protecting the internal furnace housing from water damage and maintaining peak thermal efficiency across compatible G51MP and EL195 series units.
Key Benefits for Technicians
- Direct OEM Compatibility: Specifically engineered for a seamless fit in Lennox high-efficiency furnaces, including G51MP-48C and G51MP-60C models.
- Pre-Installed Gasket: Includes a high-grade collector box gasket to ensure a leak-proof seal between the heat exchanger and the inducer fan.
- Corrosion Resistance: Manufactured from specialized materials to withstand the highly acidic nature of flue gas condensate.
- Pressure Integrity: Maintains the necessary vacuum for the pressure switch to facilitate reliable furnace ignition and operation.
Common Questions about the Lennox 44W55
How do I know if the collector box needs replacement?
Inspect for visible water staining or white calcification around the 44W55 collector box edges, which indicates a breach in the gasket or a hairline crack in the housing. This typically results in pressure switch errors or water pooling in the furnace base.
Is the gasket included with the 44W55?
Yes, this collector box w/ gasket comes as a complete assembly, meaning you do not need to source the perimeter seal separately for installation.
Why is my furnace leaking water from the collector box?
Leaks often occur due to thermal stress or acidic buildup at the condensate drain ports. Replacing the entire assembly ensures the ports are clear and the seal is restored to factory specifications.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












