Great thanks so much! If my Hayward is a side discharge and this 1 HP is a top opening, do I just put a 90 on there to turn it there?

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nevermind on the last question there. I just read the specs and saw you can change it. THanks again for your help!

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If I don't get the powerflo (only because I wanted to get the everything set up tonight and get chemicals in (we had water delivered over the weekend and I don't want it sitting there), what specs should I look for at the stores around minus- 1HP, dual speed, side discharge...anything else? does the flow rate or anything else matter?