Part IT-638A (pink) with specification for 15A/125V. Designed for 16oz pots to control the heating element.
This part is the secondary thermostat for the 16oz pot.
Part IT-638A (white) with specification for 15A/125V. Designed for 8oz and 16oz pots to control the heating element.
This part is the secondary thermostat for the 8oz pot or the main thermostat for the 16oz pot.