or internal resistance due to sharp bends in the lead

Built with a NEMA 48 frame and a 1/2-inch diameter shaft

normally closed (N/C) coil

ensuring long-term reliability without the need for complex recalibration or linkage adjustments

or nitrogen

Lochinvar & A.O. Smith 100208324 Switch 320720-756 or internal resistance due toThe Lochinvar & A. O. Smith 100208324 On Off Switch is a critical OEM replacement part designed for precise burner power control in high efficiency hydronic heating systems. As a veteran grade HVAC rocker switch, it provides a reliable interface for manual system cycling and emergency shutdowns. This specific 100208324 switch is engineered to meet the exact electrical specifications required for Lochinvar boiler models and A. O. Smith water heaters,