One problem people run into when they cut a sheer into the main plumbing system is that they will try to get more water flow to the sheer descent (as opposed to pool returns) and the head loss drops on the the return side of the plumbing to a point that is too low for the pool pump and the pump starts to rattle and make noise. While it's a little more expensive to add the additional equipment at the pad as well as spec a separate plumbing loop, it is far, far easier to control and run a water feature that has an independent loop rather than fiddling with valves to try to achieve the right look. Pool builders often ignore this detail and will either use a really overpowered pool pump (high head, high flow) OR they will try to tie the sheers into the main pool plumbing loop and thus rob the filtration system of flow. Most of the sheer descent manufacturers will spec a minimum flow rate for a given sheer. Our deep end is only 6' so I'm not making it too high as kids will likely jump off it. I decided today that I would like to build a small rock wall in the deep end of the pool - with a sheer decent waterfall coming out of it. Scuppers, sheer descents and waterfalls are all examples of open pipes that need high flow rates. 1 We start dig in 5 days so I'm making sure I have everything thought out in advance. fountains, climbing walls and water slides add interest and fun. It is under here that the waterfalls spout, so to speak, will rest. There are many different styles of waterfalls to choose from. Bend the end of the tubing down toward the pond and place one or more capstones over it. Waterfalls are able to convert a swimming pool into a space of leisure and relaxation at your very own home. You can elevate this or any rock in the wall by using shims (small flat stones). As such, these pumps are designed to lift water vertically no more than about 10' or so but they can supply flow rates of well over 80GPM (some as high as 150GPM). For all aspects of your custom pool design, installation and landscape construction. Elevate the first spillway rock in the back to achieve better water run-off. It gives a sense of restoration to the soul, taking an ordinary swimming pool and turning it into an oasis with the feel of a luxury vacation resort. ![]() Waterfall pumps are designed to work for applications where high flow rates are needed but not necessarily high pressure (i.e., low head high flow). A creative thoughtfully built stacked stone water feature is lovely to the eyes, peaceful to the ears, and relaxing to touch. Flow rate of water matters! I am of the opinion that low head water features like these should have dedicated plumbing loops (their own drains and return to the pool) with their own waterfall pumps. These sheer descents can be tricky if you don't plumb them correctly.
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