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The AO SMITH 100111375 is an air intake screen kit designed to protect water heater combustion air intake openings from debris, insects, and airborne particles that can obstruct airflow or damage internal components. Proper combustion air intake is critical to safe and efficient water heater operation. This kit provides a replacement screening solution that maintains adequate airflow while keeping the intake pathway clear. It is typically installed by licensed plumbers or water heater service technicians during routine maintenance or as part of a corrective service call.
This air intake screen kit is suited for residential and light commercial water heater applications where combustion air intake protection is required. It is used in installations where the water heater draws air from the surrounding space or through a dedicated air intake pipe, and where the intake opening requires a debris barrier to remain compliant with manufacturer installation requirements and applicable codes.
Designed as an OEM-style replacement air intake screen kit for AO SMITH water heaters requiring combustion air intake protection.
Installation should be performed by a licensed plumber or qualified water heater service technician. Before servicing, shut off the gas supply and allow the water heater to cool completely. Refer to the water heater installation manual and applicable local codes, including IFGC requirements for combustion air openings, to confirm proper screen placement and sizing. Do not operate the water heater with the air intake unscreened or with a damaged screen in place.
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