Daikin-McQuay 113110801 Limit Switch 320819-301 Ensure the 1/4-inch barbed connections

Ensure the 1/4-inch barbed connections are seated fully to prevent vacuum leaks that could lead to intermittent nuisance trips

alternative Armstrong models should be selected to ensure the inverted bucket functions properly

facilitating easier field calibration by licensed technicians

allowing for seamless transitions between heat pump and fossil fuel auxiliary heat

professional install without the need for field modifications

Daikin-McQuay 113110801 Limit Switch 320819-301 Ensure the 1/4-inch barbed connectionsThe Daikin McQuay 113110801 Limit Switch is a critical auxiliary high limit safety control designed for precise thermal monitoring in HVAC air handling units and furnace systems. As a normally closed thermal switch, this component acts as a primary fail safe, interrupting the electrical circuit to the heating element or gas valve if internal plenum temperatures exceed factory set safety thresholds. Built for industrial grade reliability, the 113110801