Pentair Autofill, White | T40BW Smartpool roll or remove the cover

roll or remove the cover following the manufacturer’s guidance to ensure a smooth uncovering experience

This replacement part supports automation features and remote operation within pool systems

Inspect all related fittings and gaskets while disassembled

The GLX-HYD-LAMPUVO UVO replacement lamp is used in compatible Hayward UV sanitation systems

reduce leaks

Pentair Autofill, White | T40BW Smartpool roll or remove the coverWhat This Part Is Used For The Pentair T40BW Autofill White automatically maintains proper water level in pools and spas. It replaces water lost to evaporation and splash out using a mechanical float system. Why This Part Matters Low water levels can cause skimmers to draw air and pumps to lose prime. An autofill reduces manual filling and helps stabilize daily operation. Maintaining consistent water level also protects tile lines and circulation