Lennox 49K66 Gasket
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Lennox 49K66 Gasket

Lennox 49K66 Gasket

The Lennox 49K66 PVC Collector Box Gasket is a critical OEM replacement part engineered specifically for high-efficiency Lennox furnaces. This 19-inch PVC gasket provides an airtight seal between the collector box and the heat exchanger, preventing the leakage of combustion byproducts and ensuring the integrity of the secondary heat exchanger assembly. Designed for long-term durability in high-moisture condensing environments, the 49K66 is essential for maintaining proper static pressure and venting efficiency. For technicians performing maintenance on 90% AFUE units, using a genuine Lennox 49K66 collector box gasket ensures a factory-spec fit that prevents service call-backs related to flue gas leakage or pressure switch tripping. This part is compatible with a wide range of Lennox, Armstrong, and Ducane models, including the 90UGFA and G26 series. Its robust PVC construction resists the acidic condensate typically found in modern condensing furnaces, making it a superior choice for professional repairs over universal alternatives.

Key Benefits:
  • OEM Compatibility: Precision-fit for Lennox G26, G32, and 90UGFA furnace series, as well as Armstrong and Ducane counterparts.
  • Durable PVC Material: Engineered to withstand the corrosive nature of furnace condensate for reliable long-term performance.
  • Airtight Sealing: Prevents combustion byproduct leaks and ensures consistent pressure switch readings.
  • Standardized Dimensions: 19-inch length for exact coverage of the collector box perimeter, eliminating the need for manual trimming.
Common Questions:
  • When should a collector box gasket be replaced? A technician should replace the 49K66 gasket whenever the collector box is removed for heat exchanger inspection or if signs of moisture or white powder (calcification) are visible around the box edges.
  • Is this part compatible with non-Lennox brands? Yes, this 49K6601 replacement is a cross-functional part for various Allied Air brands, including Armstrong Air, Concord, and Ducane.
  • Does this gasket require additional RTV silicone? While many technicians use a small amount of high-temp RTV to hold the gasket in place during installation, the Lennox 49K66 is designed to provide a primary seal through its specific material thickness and density.

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.

$8.49

Original: $24.25

-65%
Lennox 49K66 Gasket

$24.25

$8.49

Lennox 49K66 Gasket

The Lennox 49K66 PVC Collector Box Gasket is a critical OEM replacement part engineered specifically for high-efficiency Lennox furnaces. This 19-inch PVC gasket provides an airtight seal between the collector box and the heat exchanger, preventing the leakage of combustion byproducts and ensuring the integrity of the secondary heat exchanger assembly. Designed for long-term durability in high-moisture condensing environments, the 49K66 is essential for maintaining proper static pressure and venting efficiency. For technicians performing maintenance on 90% AFUE units, using a genuine Lennox 49K66 collector box gasket ensures a factory-spec fit that prevents service call-backs related to flue gas leakage or pressure switch tripping. This part is compatible with a wide range of Lennox, Armstrong, and Ducane models, including the 90UGFA and G26 series. Its robust PVC construction resists the acidic condensate typically found in modern condensing furnaces, making it a superior choice for professional repairs over universal alternatives.

Key Benefits:
  • OEM Compatibility: Precision-fit for Lennox G26, G32, and 90UGFA furnace series, as well as Armstrong and Ducane counterparts.
  • Durable PVC Material: Engineered to withstand the corrosive nature of furnace condensate for reliable long-term performance.
  • Airtight Sealing: Prevents combustion byproduct leaks and ensures consistent pressure switch readings.
  • Standardized Dimensions: 19-inch length for exact coverage of the collector box perimeter, eliminating the need for manual trimming.
Common Questions:
  • When should a collector box gasket be replaced? A technician should replace the 49K66 gasket whenever the collector box is removed for heat exchanger inspection or if signs of moisture or white powder (calcification) are visible around the box edges.
  • Is this part compatible with non-Lennox brands? Yes, this 49K6601 replacement is a cross-functional part for various Allied Air brands, including Armstrong Air, Concord, and Ducane.
  • Does this gasket require additional RTV silicone? While many technicians use a small amount of high-temp RTV to hold the gasket in place during installation, the Lennox 49K66 is designed to provide a primary seal through its specific material thickness and density.

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.

Product Information

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Description

The Lennox 49K66 PVC Collector Box Gasket is a critical OEM replacement part engineered specifically for high-efficiency Lennox furnaces. This 19-inch PVC gasket provides an airtight seal between the collector box and the heat exchanger, preventing the leakage of combustion byproducts and ensuring the integrity of the secondary heat exchanger assembly. Designed for long-term durability in high-moisture condensing environments, the 49K66 is essential for maintaining proper static pressure and venting efficiency. For technicians performing maintenance on 90% AFUE units, using a genuine Lennox 49K66 collector box gasket ensures a factory-spec fit that prevents service call-backs related to flue gas leakage or pressure switch tripping. This part is compatible with a wide range of Lennox, Armstrong, and Ducane models, including the 90UGFA and G26 series. Its robust PVC construction resists the acidic condensate typically found in modern condensing furnaces, making it a superior choice for professional repairs over universal alternatives.

Key Benefits:
  • OEM Compatibility: Precision-fit for Lennox G26, G32, and 90UGFA furnace series, as well as Armstrong and Ducane counterparts.
  • Durable PVC Material: Engineered to withstand the corrosive nature of furnace condensate for reliable long-term performance.
  • Airtight Sealing: Prevents combustion byproduct leaks and ensures consistent pressure switch readings.
  • Standardized Dimensions: 19-inch length for exact coverage of the collector box perimeter, eliminating the need for manual trimming.
Common Questions:
  • When should a collector box gasket be replaced? A technician should replace the 49K66 gasket whenever the collector box is removed for heat exchanger inspection or if signs of moisture or white powder (calcification) are visible around the box edges.
  • Is this part compatible with non-Lennox brands? Yes, this 49K6601 replacement is a cross-functional part for various Allied Air brands, including Armstrong Air, Concord, and Ducane.
  • Does this gasket require additional RTV silicone? While many technicians use a small amount of high-temp RTV to hold the gasket in place during installation, the Lennox 49K66 is designed to provide a primary seal through its specific material thickness and density.

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.