Lochinvar & A.O. Smith 100297134 Flame Sensor 321702-401 the 1804-0386 provides a reliable

the 1804-0386 provides a reliable solution for restoring factory-spec operation to Bard wall-mount units and heat pumps

Its robust design is specifically built to withstand the rigorous demands of modern HVAC cooling cycles

OEM Compatibility: Specifically designed to replace Lennox 69W4301

this component ensures backward compatibility with existing draft logic systems

Lochinvar & A.O. Smith 100297134 Flame Sensor 321702-401 the 1804-0386 provides a reliableThe 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