Hayward Selecta-Flo Valve SP0740DE hayward-super-ii-pump-parts The definition of AOP is

The definition of AOP is that a chemical reaction is initiated that generates hydroxyl free radicals (OH)

Pleatco PWW75-4

State-of-the-Art Finn Plate Heat Exchanger - State-of-the-industry Finn Plate heat exchanger with special V-groove design for faster heating and longer life

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The internal multi-grid assembly captures virtually every kind of particle contaminant typically found in pool water

Hayward Selecta-Flo Valve SP0740DE hayward-super-ii-pump-parts The definition of AOP isHayward Selecta Flo Valve The Selecta Flo Valve is a 4 Way multi port valve for use with Hayward Pro Grid D. E. Filters. The valve features 2" plumbing and works on residential and commercial pools and spas. Selecta Flo Valve Features: 2" plumbing 4 different functions: Filter For normal filtration and vacuuming pool thru the filter Backwash For reversing the flow for cleaning the filter Waste For vacuuming directly to waste, lowering the pool level