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Universal Compatibility: Serves as the high-tier OEM replacement part for legacy numbers 100167689
the T-4516-201 utilizes dual 55 to 85°F dials for independent setpoint adjustment
This L140-40F high limit switch functions as a fail-safe rollout control
Constructed from durable cast iron for maximum resistance to wear and vibration
Lochinvar & A.O. Smith 100208547 Sensor 320734-701 Universal Compatibility: Serves as theThe Lochinvar & A. O. Smith 100208547 Sensor is a critical High Limit Outlet Sensor designed for precision temperature monitoring in high efficiency commercial and residential boilers. This genuine OEM heating system sensor provides essential boiler high limit protection by tracking outlet water temperatures and triggering an automatic safety shutdown to prevent heat exchanger damage or system failure. Built with a durable brass body and stainless