Supco SHL519 Plenum Limit Thermostat 155°F-125°F

The Supco SHL519 Plenum Limit Thermostat is a protective sensing component designed for furnace and air handling equipment where temperature monitoring is required. Used within the plenum section, it detects heat variations and controls the electrical circuit to support safe system operation in HVAC systems. It has a 155F opening point and 125F closing point, this control responds to changing conditions by allowing or stopping circuit operation as needed. It prevents excessive heat buildup, protects system components and contributes to dependable performance of the overall system.