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Lochinvar & A.O. Smith 100223755 18" Final Burner Assembly

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1  Review Add Your Review
Special Price $176.53 Regular Price $203.01
In stock
SKU
100223755
The Lochinvar & A.O. Smith 100223755 is an 18” Final Burner Assembly which is a vital part that is used in the gas fired water heaters as well as boilers. This assembly improves combustion efficiency thus providing the best heat transfer for constant hot water. It has a complex design that enhances the flow of the gas and the stability of the flame leading to low emission rates and high energy utilization. The burner assembly is easy to install and can be used with different HVAC equipment, so it can be used in commercial and residential buildings.
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HVAC Furnace Parts, Burners
Manufacturer:
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Specifications

  • Type: Burner Assembly
  • Size: 18"
Manufacturer Name: Lochinvar & A.O. Smith
Product Number: 100223755
OEM Part Number: 100223755
Product Description: 18" Final Burner Assy
Weight:2.94lbs/1333.56g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lochinvar & A.O. Smith 100223755 Final Burner Assembly?

Inspect the burner assembly regularly for soot buildup, corrosion, and proper flame appearance. Clean burner ports carefully to maintain efficient combustion and consistent heat output. Verify gas connections and orifice openings remain unobstructed. Always shut off gas and electrical power before servicing heating equipment.

What are common issues with the Lochinvar & A.O. Smith 100223755 Final Burner Assembly?

  • Uneven or unstable burner flame patterns.
  • Burner port blockage reducing combustion efficiency.
  • Ignition failure from damaged igniter connections.
  • Excessive soot or carbon buildup during operation.
  • Gas flow inconsistencies caused by clogged orifice openings.

Installation Steps

Step 1: Turn off gas supply and disconnect power to the heater.

Step 2: Remove access panel and disconnect old burner assembly carefully.

Step 3: Detach gas line and mounting screws from the burner.

Step 4: Position the new burner assembly and secure with screws.

Step 5: Reconnect gas line tightly and check for proper alignment.

Step 6: Restore power and gas, then test for leaks and proper ignition.