Heil Quaker ICP 1172839 Interface Board Freon this limit switch/thermostat is a

this limit switch/thermostat is a standard inventory item for maintaining system integrity and safeguarding HVAC equipment against catastrophic overheating

This 115-155F AUTO limit switch functions as a high-limit safety control

For technicians performing furnace blower repair

This specific model is an official York OEM part designed for York

Heil Quaker ICP 1172839 Interface Board Freon this limit switch/thermostat is aThe Heil Quaker ICP 1172839 Interface Board serves as a critical control component for managing furnace and air handler operations within ICP, Heil, and Tempstar residential heating and cooling systems. This OEM replacement part facilitates essential communication between the thermostat and internal components, regulating HVAC blower motor timing and ignition sequences. Built for 24 volt control circuits, the 1172839 control board is engineered to