Tru-Arc ring

This 170-200F auto limit switch functions as a high-limit safety control

covering specific BTU inputs such as the PD125 and PD175 models

and 3155 units

the switch automatically resets to restore operation

Amana-Goodman 10250804 Limit Switch Tru-Arc ringThe Amana Goodman 10250804 Limit Switch is a critical OEM furnace replacement part designed for precision thermal monitoring in residential HVAC systems. Engineered as an L150 40F limit control, this component features a fixed 150 degree Fahrenheit opening point and a 40 degree differential, ensuring the heat exchanger operates within safe parameters. It functions as a primary safety device, breaking the electrical circuit to the gas valve if internal