Hayward SP1048 Gasket Set of 2 for SP1048 Skimmer | SPX1048DPAK2 Tubing A failed or out-of-calibration switch

A failed or out-of-calibration switch is a common cause of heater lockout — the unit will not fire even when all other conditions are met

Pentair Skimmer w/Aluminum Frame #126 - #R121196

The flow cell houses the flow switch that detects active water circulation through the IntelliChem system

Strainer Basket

If the pump is also being opened for a seal replacement

Hayward SP1048 Gasket Set of 2 for SP1048 Skimmer | SPX1048DPAK2 Tubing A failed or out-of-calibration switchThe Hayward SP1048 Gasket (SPX1048DPAK2) is the OEM replacement gasket for the SP1048 skimmer, sold as a set of two gaskets. Specifications Hayward Part Number SPX1048DPAK2 Pack Quantity 2 gaskets UPC 610377243131 Poolaroo Pro Tip When replacing skimmer gaskets, inspect both seating surfaces for debris or old gasket material before installing the new gaskets. A clean, flat seating surface ensures a reliable seal and prevents slow leaks at the skimmer