| Brand | AO SMITH |
|---|---|
| MPN | 100111332 |
Check the listing for details. AO SMITH 100111332 AO Smith 100111332 Air Screen. Condition: New. Listed at 39.46 USD. It acts as a barrier over the combustion chamber in gas-fired appliances like boilers and water heaters. It also reduces negative pressure inside the appliance, which can assist in preventing incomplete combustion, pilot light instability, and carbon monoxide issues.