Lochinvar & A.O. Smith 100297134 Flame Sensor 328140-751 Ruggedized leads and connectors designed

Ruggedized leads and connectors designed for professional toolbag storage and frequent field use

Horizontal Mounting

promoting optimal thermal management during high-static operation

Key Benefits OEM Compatibility: Specifically designed as a drop-in replacement for Argo AT Series 4-element boilers with circuit breakers

This part is commonly found in high-capacity Modine gas-fired unit heaters

Lochinvar & A.O. Smith 100297134 Flame Sensor 328140-751 Ruggedized leads and connectors designedThe Lochinvar & A. O. Smith 100297134 Flame Sensor is a critical genuine OEM replacement part engineered for precision flame rectification in high efficiency gas fired systems. Designed for use in Lochinvar boilers and A. O. Smith water heaters, this sensor monitors the burner flame to ensure the ignition control module receives a continuous microamp signal. If the flame signal is lost or carries high resistance, the system initiates a safety lockout