Lochinvar 100208399 Low Air Pressure Switch Boiler Safety Controls & Aquastats

The Lochinvar 100208399 is a low air pressure safety switch designed for use in Lochinvar boilers and water heaters. This critical safety component monitors air pressure within the combustion system to ensure proper operation and safe venting conditions.

Key Features:

• OEM replacement part ensuring exact fit and reliable performance
• Monitors combustion air pressure to verify adequate airflow before ignition
• Prevents burner operation during unsafe venting conditions
• Helps maintain system efficiency and safety compliance
• Direct replacement for original equipment

This pressure switch is a vital safety device that prevents the boiler from firing if insufficient air pressure is detected, protecting against potentially hazardous conditions. Professional installation by a qualified HVAC technician is recommended to ensure proper function and compliance with local codes.