Lennox 47K39 Gasket
The Lennox 47K39 Flue Gasket (also cataloged under Lennox R40424-001) is a critical OEM replacement component engineered to preserve the pneumatic integrity of Lennox gas furnaces and package units. As a technical professional, you recognize that a compromised exhaust blower seal can lead to dangerous flue gas recirculation or pressure switch tripping. This high-temperature, 0.03 lb nitrile or fiberglass-reinforced gasket provides a robust interface between the flue collector box and the combustion blower housing, effectively sealing the transition point against heat and corrosive condensates.
Specially designed for seamless integration with high-efficiency Lennox HVAC equipment, including the 10GCS036, 12GCS048, and 15GCSXAV series, this replacement flue gasket ensures that combustion byproducts are safely directed through the venting system. Its 5" x 5" x 2" physical profile is precision-cut to match Lennox furnace specifications, eliminating the need for field modifications or the use of unreliable high-temp RTV. Replacing a degraded flue exhaust gasket during routine maintenance prevents the leakage of carbon monoxide and maintains the static pressure required for optimal secondary heat exchanger performance.
Key Benefits for Technicians:- OEM Precision Fit: Explicitly manufactured for Lennox R40424-001 applications, ensuring a zero-gap seal between the collector box and the induceer motor.
- Thermal Resistance: Composed of advanced compounds capable of withstanding the extreme internal temperatures found in gas-fired heat exchangers.
- Combustion Safety: Directly prevents the escape of CO and other hazardous flue gases into the building envelope.
- Pressure Switch Reliability: Maintains the specific draught required to close furnace pressure switches, preventing intermittent ignition failures.
- Wide Compatibility: Verified for use across multiple Lennox residential furnace and boiler product lines.
- When should the Lennox 47K39 gasket be replaced? This gasket should be inspected during every blower assembly service and replaced if any signs of compression set, brittle edges, or soot tracking are present.
- Is this compatible with the Lennox R40424-001? Yes, the 47K39 is the direct Lennox part number for the R40424-001 flue gasket.
- Does this gasket require additional sealant? As a precision-cut OEM gasket, it is designed for dry installation. Ensure both mating surfaces are scraped clean of old material before applying.
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: $4.12
-65%$4.12
$1.44Lennox 47K39 Gasket
The Lennox 47K39 Flue Gasket (also cataloged under Lennox R40424-001) is a critical OEM replacement component engineered to preserve the pneumatic integrity of Lennox gas furnaces and package units. As a technical professional, you recognize that a compromised exhaust blower seal can lead to dangerous flue gas recirculation or pressure switch tripping. This high-temperature, 0.03 lb nitrile or fiberglass-reinforced gasket provides a robust interface between the flue collector box and the combustion blower housing, effectively sealing the transition point against heat and corrosive condensates.
Specially designed for seamless integration with high-efficiency Lennox HVAC equipment, including the 10GCS036, 12GCS048, and 15GCSXAV series, this replacement flue gasket ensures that combustion byproducts are safely directed through the venting system. Its 5" x 5" x 2" physical profile is precision-cut to match Lennox furnace specifications, eliminating the need for field modifications or the use of unreliable high-temp RTV. Replacing a degraded flue exhaust gasket during routine maintenance prevents the leakage of carbon monoxide and maintains the static pressure required for optimal secondary heat exchanger performance.
Key Benefits for Technicians:- OEM Precision Fit: Explicitly manufactured for Lennox R40424-001 applications, ensuring a zero-gap seal between the collector box and the induceer motor.
- Thermal Resistance: Composed of advanced compounds capable of withstanding the extreme internal temperatures found in gas-fired heat exchangers.
- Combustion Safety: Directly prevents the escape of CO and other hazardous flue gases into the building envelope.
- Pressure Switch Reliability: Maintains the specific draught required to close furnace pressure switches, preventing intermittent ignition failures.
- Wide Compatibility: Verified for use across multiple Lennox residential furnace and boiler product lines.
- When should the Lennox 47K39 gasket be replaced? This gasket should be inspected during every blower assembly service and replaced if any signs of compression set, brittle edges, or soot tracking are present.
- Is this compatible with the Lennox R40424-001? Yes, the 47K39 is the direct Lennox part number for the R40424-001 flue gasket.
- Does this gasket require additional sealant? As a precision-cut OEM gasket, it is designed for dry installation. Ensure both mating surfaces are scraped clean of old material before applying.
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
Product Information
Shipping & Returns
Shipping & Returns
Description
The Lennox 47K39 Flue Gasket (also cataloged under Lennox R40424-001) is a critical OEM replacement component engineered to preserve the pneumatic integrity of Lennox gas furnaces and package units. As a technical professional, you recognize that a compromised exhaust blower seal can lead to dangerous flue gas recirculation or pressure switch tripping. This high-temperature, 0.03 lb nitrile or fiberglass-reinforced gasket provides a robust interface between the flue collector box and the combustion blower housing, effectively sealing the transition point against heat and corrosive condensates.
Specially designed for seamless integration with high-efficiency Lennox HVAC equipment, including the 10GCS036, 12GCS048, and 15GCSXAV series, this replacement flue gasket ensures that combustion byproducts are safely directed through the venting system. Its 5" x 5" x 2" physical profile is precision-cut to match Lennox furnace specifications, eliminating the need for field modifications or the use of unreliable high-temp RTV. Replacing a degraded flue exhaust gasket during routine maintenance prevents the leakage of carbon monoxide and maintains the static pressure required for optimal secondary heat exchanger performance.
Key Benefits for Technicians:- OEM Precision Fit: Explicitly manufactured for Lennox R40424-001 applications, ensuring a zero-gap seal between the collector box and the induceer motor.
- Thermal Resistance: Composed of advanced compounds capable of withstanding the extreme internal temperatures found in gas-fired heat exchangers.
- Combustion Safety: Directly prevents the escape of CO and other hazardous flue gases into the building envelope.
- Pressure Switch Reliability: Maintains the specific draught required to close furnace pressure switches, preventing intermittent ignition failures.
- Wide Compatibility: Verified for use across multiple Lennox residential furnace and boiler product lines.
- When should the Lennox 47K39 gasket be replaced? This gasket should be inspected during every blower assembly service and replaced if any signs of compression set, brittle edges, or soot tracking are present.
- Is this compatible with the Lennox R40424-001? Yes, the 47K39 is the direct Lennox part number for the R40424-001 flue gasket.
- Does this gasket require additional sealant? As a precision-cut OEM gasket, it is designed for dry installation. Ensure both mating surfaces are scraped clean of old material before applying.
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.
