Lochinvar & A.O. Smith 100208181 Rollout Switch 321042-401 Universal LGB Compatibility: Specifically engineered

Universal LGB Compatibility: Specifically engineered as a direct-fit replacement burner for Weil-McLain LGB boilers

This specific Robertshaw ignition kit is designed and factory-calibrated for natural gas only

Manual Reset Design: Requires a technician to physically inspect the system before restarting

5-inch wide wheel is engineered for direct-drive configurations

Broad compatibility across York

Lochinvar & A.O. Smith 100208181 Rollout Switch 321042-401 Universal LGB Compatibility: Specifically engineeredThe Lochinvar & A. O. Smith 100208181 Rollout Switch is a critical OEM replacement part designed for high efficiency boilers and water heaters. As a 280F Manual Reset Rollout Switch, it serves as a primary thermal safety control, monitoring the burner area for flame rollout conditions. When temperatures exceed the 280 degree Fahrenheit threshold, the 100208181 switch breaks the electrical circuit, immediately shutting down the combustion process to