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The open on rise switch action provides high-speed contact separation to safeguard electrical components
maintaining static pressure balance and reducing energy draw during ramp-up cycles
The A11B-1 is an automatic reset control
Featuring a rugged iron body and 3/4 inch FNPT connections
Lochinvar & A.O. Smith 100208547 Sensor 319825-402 The open on rise switchThe 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
