Lochinvar & A.O. Smith 100109678 Burner Assembly
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Lochinvar & A.O. Smith 100109678 Burner Assembly

Lochinvar & A.O. Smith 100109678 Burner Assembly

The Lochinvar & A.O. Smith 100109678 Burner Assembly is a high-performance OEM replacement component designed for precision combustion in industrial and commercial heating systems. Engineered for durability and thermal efficiency, this 100109678 burner assy ensures stable flame patterns and optimal fuel-to-air ratios, reducing carbon buildup and "sooting" within the heat exchanger. As a critical part of the Lochinvar boiler burner system, it serves as a direct drop-in for technicians performing HVAC burner replacement on compatible condensing units. This assembly is manufactured to strict factory tolerances, supporting the 120 VAC polarity-sensitive blower systems found in modern high-recovery water heaters. When diagnosing "Ignition Failure" or "Flame Out" error codes, replacing the fouled or warped burner with this genuine A.O. Smith 100109678 component restores the appliance to original manufacturer specifications, ensuring reliable Lochinvar heating system parts performance for demanding hydronic applications. Professional installation is required to verify proper gas manifold pressure and blower flange sealing during the swap.

Key Benefits:
  • Direct OEM Fit: Guaranteed compatibility with Lochinvar & A.O. Smith 100109678 configurations, eliminating the need for field modifications.
  • Enhanced Combustion: Radial fire design provides uniform heat distribution, preventing hot spots and prolonging the life of the combustion chamber.
  • Reduced Maintenance: High-grade construction resists corrosion and debris accumulation, the leading causes of ignition lockout.
  • System Efficiency: Restores peak BTU/hr input ratings by ensuring a clean, lean-burning flame at the burner ports.
Common Questions:
  • When should I replace the burner assembly? Replace the assembly if you observe physical cracking, severe oxidation, or persistent ignition failures that cannot be resolved by cleaning the flame sensor or adjusting the gas valve.
  • Does this include the blower flange gasket? This is the burner assembly; it is standard practice for techs to inspect the blower adapter and replace the flange gasket (sold separately) to prevent air leaks during reinstallation.
  • Is this compatible with LP or Natural Gas? This part is typically used across multiple gas types, but always verify the orifice size and system configuration against the unit’s serial number before commissioning.

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.

$80.07

Original: $228.78

-65%
Lochinvar & A.O. Smith 100109678 Burner Assembly

$228.78

$80.07

Lochinvar & A.O. Smith 100109678 Burner Assembly

The Lochinvar & A.O. Smith 100109678 Burner Assembly is a high-performance OEM replacement component designed for precision combustion in industrial and commercial heating systems. Engineered for durability and thermal efficiency, this 100109678 burner assy ensures stable flame patterns and optimal fuel-to-air ratios, reducing carbon buildup and "sooting" within the heat exchanger. As a critical part of the Lochinvar boiler burner system, it serves as a direct drop-in for technicians performing HVAC burner replacement on compatible condensing units. This assembly is manufactured to strict factory tolerances, supporting the 120 VAC polarity-sensitive blower systems found in modern high-recovery water heaters. When diagnosing "Ignition Failure" or "Flame Out" error codes, replacing the fouled or warped burner with this genuine A.O. Smith 100109678 component restores the appliance to original manufacturer specifications, ensuring reliable Lochinvar heating system parts performance for demanding hydronic applications. Professional installation is required to verify proper gas manifold pressure and blower flange sealing during the swap.

Key Benefits:
  • Direct OEM Fit: Guaranteed compatibility with Lochinvar & A.O. Smith 100109678 configurations, eliminating the need for field modifications.
  • Enhanced Combustion: Radial fire design provides uniform heat distribution, preventing hot spots and prolonging the life of the combustion chamber.
  • Reduced Maintenance: High-grade construction resists corrosion and debris accumulation, the leading causes of ignition lockout.
  • System Efficiency: Restores peak BTU/hr input ratings by ensuring a clean, lean-burning flame at the burner ports.
Common Questions:
  • When should I replace the burner assembly? Replace the assembly if you observe physical cracking, severe oxidation, or persistent ignition failures that cannot be resolved by cleaning the flame sensor or adjusting the gas valve.
  • Does this include the blower flange gasket? This is the burner assembly; it is standard practice for techs to inspect the blower adapter and replace the flange gasket (sold separately) to prevent air leaks during reinstallation.
  • Is this compatible with LP or Natural Gas? This part is typically used across multiple gas types, but always verify the orifice size and system configuration against the unit’s serial number before commissioning.

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 Lochinvar & A.O. Smith 100109678 Burner Assembly is a high-performance OEM replacement component designed for precision combustion in industrial and commercial heating systems. Engineered for durability and thermal efficiency, this 100109678 burner assy ensures stable flame patterns and optimal fuel-to-air ratios, reducing carbon buildup and "sooting" within the heat exchanger. As a critical part of the Lochinvar boiler burner system, it serves as a direct drop-in for technicians performing HVAC burner replacement on compatible condensing units. This assembly is manufactured to strict factory tolerances, supporting the 120 VAC polarity-sensitive blower systems found in modern high-recovery water heaters. When diagnosing "Ignition Failure" or "Flame Out" error codes, replacing the fouled or warped burner with this genuine A.O. Smith 100109678 component restores the appliance to original manufacturer specifications, ensuring reliable Lochinvar heating system parts performance for demanding hydronic applications. Professional installation is required to verify proper gas manifold pressure and blower flange sealing during the swap.

Key Benefits:
  • Direct OEM Fit: Guaranteed compatibility with Lochinvar & A.O. Smith 100109678 configurations, eliminating the need for field modifications.
  • Enhanced Combustion: Radial fire design provides uniform heat distribution, preventing hot spots and prolonging the life of the combustion chamber.
  • Reduced Maintenance: High-grade construction resists corrosion and debris accumulation, the leading causes of ignition lockout.
  • System Efficiency: Restores peak BTU/hr input ratings by ensuring a clean, lean-burning flame at the burner ports.
Common Questions:
  • When should I replace the burner assembly? Replace the assembly if you observe physical cracking, severe oxidation, or persistent ignition failures that cannot be resolved by cleaning the flame sensor or adjusting the gas valve.
  • Does this include the blower flange gasket? This is the burner assembly; it is standard practice for techs to inspect the blower adapter and replace the flange gasket (sold separately) to prevent air leaks during reinstallation.
  • Is this compatible with LP or Natural Gas? This part is typically used across multiple gas types, but always verify the orifice size and system configuration against the unit’s serial number before commissioning.

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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