This 2 terminal thermal fuse is a disposable, one time fuse.
It is made by Whirlpool and fits many Whirlpool, Kenmore, Roper, Maytag, and Kitchen Aid dryers.
If there is no continuity between the fuse, it is blown and needs to be replaced, it cannot be reset.
Aftermarket part made to fit and funtion as OEM or your money back.
Replaces part numbers: 660877, 688841, 690798, ET402, SET402
Also replaces part numbers: 15-198, 279650, 3389639, 3389640, 660877, 688841, 690198, 690798, 80004, ET402