Lochinvar & A.O. Smith 100297134 Flame Sensor 321702-401 Built with a rugged aluminum

Built with a rugged aluminum frame and multi-layer expanded metal media

Is the coil included with the 200RB4T3T solenoid valve body

and NC terminals while the capillary is exposed to temperatures above and below the 28/48°F range

The V-2 is the updated production model

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

Lochinvar & A.O. Smith 100297134 Flame Sensor 321702-401 Built with a rugged aluminumThe 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