Pentair Autofill, White | T40BW Pond Pumps Inspect grids and internal hardware

Inspect grids and internal hardware during replacement

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Pentair Autofill, White | T40BW Pond Pumps Inspect grids and internal hardwareWhat 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