Lochinvar & A.O. Smith 100288429 Air Pressure Switch

Description

Lochinvar & A.O. Smith 100288429 Air Pressure Switch

The Lochinvar & A.O. Smith 100288429 is a genuine OEM air pressure switch engineered for use in compatible Lochinvar and A.O. Smith boilers and water heaters. This critical safety component monitors combustion air pressure during operation, verifying that the draft inducer or blower is functioning correctly before allowing the burner to fire. By confirming adequate airflow, the pressure switch helps protect against unsafe combustion conditions, flue gas spillage, and equipment damage.

Key Features

• Genuine OEM replacement part — ensures proper fit and reliable performance
• Monitors combustion air pressure to confirm safe draft inducer operation
• Prevents burner ignition if insufficient airflow is detected
• Designed for compatibility with select Lochinvar and A.O. Smith boiler and water heater models
• Durable construction for long-term dependability in demanding HVAC and hydronic applications
• Direct drop-in replacement to minimize installation time and downtime

Application

This air pressure switch is intended as a direct OEM replacement for qualifying Lochinvar and A.O. Smith heating equipment. Always verify compatibility with your specific model and serial number before installation. Consult the equipment’s service manual for wiring diagrams, setpoint specifications, and mounting instructions.

Why Choose Genuine OEM Parts?

Using genuine Lochinvar & A.O. Smith replacement parts ensures your equipment operates within factory specifications, maintains warranty compliance, and delivers the safety and efficiency performance your system was designed to achieve.