Carpet Pro Strain Relief - Sanitaire SC-412 Back Pack 1018Z When the indicator sticks or

When the indicator sticks or its spring weakens

Function: caps and seals the dust compartment

The coils provide the electromagnetic field that drives the motor's armature as current runs through them

the duct no longer seals

Fits: 1-1/4 inch vacuum fitting and screw-on cleaning poles

Carpet Pro Strain Relief - Sanitaire SC-412 Back Pack 1018Z When the indicator sticks orThe Carpet Pro Strain Relief for the Sanitaire SC 412 backpack vacuum is an OEM replacement cord component that protects the power cord at its most vulnerable point, where it enters the machine. It also fits the Carpet Pro SCBP1 backpack vacuum and similar models. Strain relief parts take constant flexing as a backpack vacuum moves through a building, and once they crack or loosen, the cord itself starts to wear. A frayed or damaged power cord is a