including the AMVC

it features a non-PCB oil-filled design and a pressure-sensitive interrupter (PSI) for safety

and Gibson

Key Benefits Universal Compatibility: Includes specialized adapter fittings to replace 30mV thermocouples in most major pilot burner configurations

we see these fail due to restricted airflow from oversized filters or blower motor degradation

Heil Quaker ICP 1320361 Limit Switch including the AMVCWhen you're troubleshooting a furnace that is short cycling or failing to initiate the heating sequence, the Heil Quaker ICP 1320361 Limit Switch is a critical diagnostic point. This genuine OEM furnace limit switch is engineered for precise thermal regulation within ICP, Heil, and Tempstar air handlers. Designed as an automatic reset limit switch, it features a fixed 210 230F temperature range, serving as a primary safety device to prevent heat