The pump is one of the most important parts of your pool’s plumbing system. It is responsible for creating pressure in your pool, which forces the water to flow through the filter..How to troubleshoot and repair pool pumps by Hayward, Pentair, Jacuzzi. DIY pool pump motor repairs. Replacing a filter pump selection, plumbing and wiring instructions..Variable s.d pool pump reviews from a pool spa industry expert to help you pick the best variable s.d pool pump including all new and new pumps Hayward, Pentair Jandy VS.Notice the quarter wedged between the pump and the house. If you click the image to enlarge it, you can see George Washington on the quarter. This is much too close to pull the pump motor out of the pumpembly, and as you can see, the pumpembly is solidly piped in place..