Dryer Backup Thermostat. This backup thermostat (part number WE4M300) is for dryers.Backup thermostat WE4M300 regulates the dryer heat if the control system fails.Unplug the dryer before installing this part. Wear work gloves to protect your hands.... - Dryer Backup Thermostat.
Dryer Outlet Backup Thermostat. This backup thermostat (part number WE04X10190) is for dryers.Backup thermostat WE04X10190 shuts off dryer heat if primary controls malfunction.Unplug the dryer before installing this part. Wear work gloves to protect your hands.... - Dryer Outlet Backup Thermostat.