allowing you to set both a high and a low temperature limit for a single device

there is no performance difference

Precision Control: Eliminates mechanical play in the damper linkage

Does this include the instructions

including popular models like AMFH15DHB

Amana-Goodman B1370921 Limit Switch allowing you to set bothThe Amana Goodman B1370921 Limit Switch is a critical safety component engineered for forced air furnaces, featuring a 7 inch insertion length and a precise 210 240F cut out temperature. This automatic reset limit switch monitors heat exchanger temperatures to prevent overheating, ensuring the HVAC high limit control functions within OEM specifications. Designed as a direct furnace replacement part for brands including Goodman, Amana, Daikin, Kenmore,