Hayward Hydrostatic Relief Valve, 1-1/2" | SP1056 Pool Lifts Use this vacuum head during

Use this vacuum head during routine pool cleaning to collect debris from the bottom surface

System compatibility: Taylor pool test kits that require R-0013-F cyanuric acid reagent for CYA measurements

Prevent backflow in your pool return line with reliable one-way protection

Care should be taken to maintain proper wire placement

By allowing your heater to be recessed into a flat ceiling

Hayward Hydrostatic Relief Valve, 1-1/2" | SP1056 Pool Lifts Use this vacuum head duringWhat This Part Is Used For The SP1056 hydrostatic relief valve is a 1 1 2 inch valve used in compatible Hayward pool floor installations. It allows groundwater pressure to equalize beneath the pool shell. Why This Part Matters Hydrostatic pressure can cause structural stress if not relieved. A failed valve can allow unwanted water intrusion or prevent proper pressure equalization. Maintaining a functional valve supports pool shell integrity. Key