Mastercraft Probe Backpack Vacuum Rectifier Bridge

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The Mastercraft Probe Backpack Vacuum Rectifier Bridge, part 423319, is a replacement electrical component for the Mastercraft Probe backpack vacuum. The rectifier bridge converts incoming AC power to the DC current the vacuum's electronic components need, so when it fails, the symptoms show up as no power at all, intermittent shutdowns mid-shift, or erratic motor behavior that comes and goes.For a commercial backpack vacuum, that kind of unreliability takes the machine out of service fast. The good news is that if the rectifier is the root cause, this is a targeted, inexpensive repair compared with replacing a full circuit board or retiring the vacuum. Confirming the diagnosis first is worth the few minutes with a meter.This part is compatible with the Mastercraft Probe backpack vacuum. If you are troubleshooting power problems and are not sure which component is at fault, our service counter can help you narrow it down. Show more