Pentair Autofill, White | T40BW Smartpool This panel works tirelessly behind

This panel works tirelessly behind the scenes

Proper fitment prevents uneven wear

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

Pentair products are commonly specified in both new builds and renovations

Pentair Autofill, White | T40BW Smartpool This panel works tirelessly behindWhat 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