Hayward Water Pressure and Flow Switch | HPX2181 Pool Cover Reels Verify alignment before final tightening

Verify alignment before final tightening

With the Waterco Hydrostar Pump Basket Replacement

This pump is typically used in pool filtration and spa circulation systems

304 Stainless Steel Construction: Offers durability and resistance to weather elements

LaMotte 1766 Tracer Meter Salt TDS pH and Temp

Hayward Water Pressure and Flow Switch | HPX2181 Pool Cover Reels Verify alignment before final tighteningWhat This Part Is Used For The Hayward HPX2181 Water Pressure and Flow Switch monitors circulation in compatible Hayward heater systems. It verifies adequate water flow before allowing the heater to fire. Why This Part Matters Low flow conditions can damage the heat exchanger if the heater operates without sufficient circulation. A malfunctioning switch may cause nuisance shutdowns or prevent startup. Replacing a failed switch restores safe operation