Pool Main Drain Valve

When the valve is rotated so the pointer on it is directed away.
Pool main drain valve. Normal operation of the pool requires this valve to stay closed. Swimming pool main drains don t actually drain anything. A brief video to explain the filtration system of your pool. But locating them isn t actually the problem with swimming pool main drains.
A pump is located underneath or near a swimming pool equipped with a main drain and it s used to pull water down into the drain. Once water is sucked into a swimming pool s main drain it s whisked via piping to the. Main drains can leak around the fixture itself as well as through the suction pipe that connects to them. Instead it is an outlet housing a pipe that runs to the pump which sucks water through a skimmer then through a filter then through a heater if you have one and then back to the pool via multiple inlets.
Swimming pool main drain covers are designed to cover the main drain and hydrostatic valve located at the bottom of your swimming pool. Unfortunately the underside of a pool skimmer connection point is. What does a hydro static valve do. The problem is that they can be very dangerous pieces of equipment in the pool and that many pool owners don t realize it.
Rather a swimming pool s main drain if it has one is a suction device. Your pool may have a spa which is known as a pool spa combo so there will be another valve for the main spa drain. In the photo below there are four valves. The hydrostatic valve prevents ground water pressure from raising the pool out of the ground or causing movement damaging the shell of your pool so it is best to have it covered so that no swimmers can damage or adjust it without knowing.
Rotating the valve so the pointer is directed toward the pool diverts all suction force away from the skimmer to the main drain. A pool s so called main drain is not actually a drain. These are 3 way style valves. The main drain in your swimming pool is very easy to locate it sits right at the bottom of the pool.
Additionally the main drain can develop leaks in the hydrostatic relief valve in them fails from rust or a rock obstructing the valve from closing properly. Usually it is at the deepest point of the pool floor the valve is located under the lid which sits at the bottom of the pool covering the main drain. A brief video to explain the filtration system of your pool. They are from left to right spa main drain cleaner skimmer and pool main drain.