OEM replacement air tube for A.O. Smith and Lochinvar water heaters and boilers. This 12-inch tube delivers combustion air to the burner assembly, maintaining proper gas-to-air ratios for efficient, clean operation. Essential for preventing soot buildup, flame irregularities, and heat exchanger damage. Genuine OEM part ensures accurate pressure switch signaling and system safety.
A.O. Smith 100109899 Air Tube 12 inch
A.O. Smith
$74.95
In Stock
- Fits brands
- Lochinvar, A.O. Smith
- SKU:
- 100109899
- Product Type:
- Air Tube
- Subcategory:
- Combustion Air Intake
- Application:
- Residential/Commercial
- System Type:
- Boiler, Water Heater
- Installation Type:
- OEM Replacement
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