Pentair Autofill, White | T40BW Smartpool Pentair products are commonly specified

Pentair products are commonly specified in both new builds and renovations

Manufacturer part number SPX1620AA

This panel works tirelessly behind the scenes

LLW22 is a replacement wall fitting used in compatible Pentair commercial pool systems

Inspect all related fittings and gaskets while disassembled

Pentair Autofill, White | T40BW Smartpool Pentair products are commonly specifiedWhat 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