Inground Pool Main Drain

Start the drainage process by opening the pool s hydro static valve which is located in the main drain.

Inground pool main drain. Swimming pool main drains must be installed in accordance with the virginia graeme baker pool and spa safety act and all applicable asme ansi safety standards. American national standards institute and published by the american society of mechanical engineers. Main drains for swimming pools that comply with provisions of the ansi apsp 16 2011 standard as required by the virginia graeme baker pool spa safety act. Swimming pool plumbing diagrams 1 standard skimmer with 2 main drains 3 returns.

In 2007 the united states passed the virginia graeme baker pool and spa safety act. A main drain circulates the pool s water by pulling water off the bottom of the pool and sending it to the filter. It is recommended that about 1 3rd of the circulated water come from the main drain. How to drain an inground pool with a main drain in this how to video dan harrison goes through the steps necessary to drain a inground pool with a main drain.

What a swimming pool main drain actually does is act as a suction that takes the water out of the pool and sends it back to the filter to be cleaned so that it can then redistribute it back into the pool. If you cannot locate a hydro static valve call a pool professional to drain it. And did you know cyclone air blowers are also used as a vacuum to set pool liners. Come to think of it you could use the cyclone to blow out lawn sprinkler systems too.

The main drain is typically located at the deepest point of the pool and is used to lower the water level however its primary purpose is to circulate water from the bottom of the pool. Cyclone air blowers are also portable durable and easy to use. This act stated that any public swimming pools have dome. An inground swimming pool s main drain is located in the deep end of the pool.

To keep people from getting their hair or limbs caught in the plumbing the drains are almost always covered with grates or antivortex covers a cover. During winter months or periods of non use most pool drains do not need to be plugged but in some cases plugging a main drain is required or recommended.