it indicates an underlying issue like a failing capacitor

the UFC1 features sliding tension bars that allow technicians to manually adjust spacing to match various fins per inch (FPI) counts found on diverse air conditioning and refrigeration units

and Luxaire furnaces

Compact rectangular design allows for direct fitment in tight control boxes and blower housings

and NL11F)

Heil Quaker ICP 1065293 Limit Switch it indicates an underlying issueAs a field technician, you know that a reliable Heil Quaker ICP 1065293 Limit Switch is the first line of defense against heat exchanger fatigue and unsafe operating conditions. This genuine OEM replacement part is engineered for specific ICP, Heil, and Quaker furnaces, ensuring the automatic reset furnace limit functions exactly to factory specifications. This normally closed disc switch is calibrated to open on temperature rise at 155? F and close