Convert manual flush values on urinals and commodes into modern hands-free fixtures. The E-Z Flush Retrofit Kit offers quick, easy installation and works with most flush valves. The kit includes everything needed from tools to batteries. Angled face and sensor lens allows user-detection even with the toilet seat in the raised position. Increased impact strength protects against vandalism. Kit also includes a switchable, automatic 24-hour optional flush.WTB393200TM. 393200TM. Waterbury Waterbury Flush Retrofit Kit.