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Shut down and drain heater before performing replacement
Optimal Size: Features a 6-3/4" top outside diameter
this genuine Infratech assembly ensures your 240V heaters deliver consistent
Uniform Size: Pebbles are consistently sized at 3/4 inch for a clean appearance
Professionals rely on Pentair for dependable maintenance solutions
Hayward Water Pressure Switch Assembly | HAXPSA1930 La-Co Industries Shut down and drain heaterWhat This Part Is Used For The Hayward HAXPSA1930 Water Pressure Switch Assembly monitors water flow through the heater and allows ignition only when proper circulation is present. It helps prevent the heater from firing when there is insufficient flow. Why This Part Matters A failed pressure switch can cause nuisance shutdowns or prevent the heater from starting at all. It also plays a safety role by stopping operation during low flow conditions