Breadcrumb Home/ The Leading Edge of Maintenance | G/E Stack Washer/Dryer: Test Washer Filling Box The Leading Edge of Maintenance | G/E Stack Washer/Dryer: Test Washer Filling Box Duration 0 hours 2 minutes This video explains how a washing machine’s float box and connected tube control water filling. Back to Course Title The Leading Edge of Maintenance | G/E Stack Washer/Dryer: Test Washer Filling Box