Primary Limit Switch, For Use With Grainger Item Number 38GM69, 38GM71, 38GM76, 38GM78, 38GM79, 38GM89, 38GM90, 38GM91, 38GM92, 38GM98, 38GM99, For Use With Mfr. Model Number GCSS961005CN, GMS80805CN, GMS80805CX, GMS81205DN, GMS81205DX, GMS81405DN, GMSS960603BN, GMSS960803BN, GMSS960804CN, GMSS960805CN, Fits Brand Goodman