Description
The Lochinvar & A.O. Smith 100208393 is a genuine OEM replacement air pressure switch engineered for use in Lochinvar and A.O. Smith heating appliances. Air pressure switches are a critical safety component in gas-fired boilers and water heaters, verifying that the draft inducer or combustion blower is operating correctly before allowing the burner to ignite. If proper airflow is not established, the switch prevents ignition, protecting both the appliance and the building occupants from the hazards of incomplete combustion or flue gas spillage.
Key Features
- Genuine OEM replacement part for Lochinvar and A.O. Smith heating equipment
- Monitors combustion air pressure to confirm safe draft inducer or blower operation
- Prevents burner ignition if adequate airflow is not detected, providing essential safety protection
- Direct drop-in replacement designed to restore original equipment performance
- Helps maintain system efficiency and compliance with manufacturer specifications
- Durable construction built to withstand the demands of continuous HVAC and hydronic heating applications
Application
This air pressure switch is intended as a direct replacement for Lochinvar and A.O. Smith boilers and water heaters that utilize part number 100208393. Always verify compatibility with your specific model before installation. Consult the equipment’s service manual or contact a qualified HVAC technician for guidance on proper installation and commissioning.
Why Choose OEM Parts?
Using genuine OEM replacement components ensures your equipment operates within the original design parameters, maintains warranty compliance where applicable, and delivers the reliable safety performance your system demands.
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