What is the drain at the bottom of my pool?

Asked by: Ximena Miller

The main drain for a pool is a suction port that should be located at the deepest point on the pool floor. A main drain is responsible for aiding in the circulation and filtration of the pool water. Having a properly working and dedicated main drain line can also allow you to fully drain your pool if necessary.

What is the drain at the bottom of the pool used for?

A swimming pool main drain uses suction to pull pool water through it. Heavy particulate matter that sinks to a pool’s bottom is often sucked away through a main drain.

What are the two drains at the bottom of my pool?

During normal operation, water flows to the filtering system through two or more main drains at the bottom of the pool and multiple skimmer drains around the top of the pool. The main drains are usually located on the lowest point in the pool, so the entire pool surface slants toward them.

What is the plug at the bottom of my pool?

A hydrostatic valve is a pressure relief one-way valve or “plug” installed usually at the deepest point of a swimming pool.

How do I use the main drain on my pool?

They always have a position that'll say drain or waste. Or if it doesn't have that you can just use the position backwash. So you're going to want to take the valve.

Should pool main drain be open?

For proper water circulation, it is best to position the flap so that it is about 2/3 closed. This will allow for more flow through the main drain than through the skimmer, which will promote a “bottom-to-top” circulation throughout the pool.

Is a pool main drain necessary?

Main drains are not required in an inground swimming pool, however, they are strongly recommended and can be extremely useful in some circumstances. The advantages of main drains are to give you the ability to drain the water from your pool without the use of a sump pump. This is useful when replacing your pool liner.

What do pool drains look like?

Well a main drain is the little white thing that's on the bottom of the deep end of your swimming pool or if your pool was built more.

Where does pool overflow drain go?

Slot Drain Systems offer a pool overflow drainage system that is installed around the rim of the pool. This drainage system helps manage and prevent water overflows in and around pools.

Why are there 2 holes in the bottom of a pool skimmer?

A skimmer is a necessary element of keeping a pool clean. The skimmer sits at the waterline and catches leaves, bugs and trash so they do not clog the filter. Skimmers with a second hole help keep the pump from running dry if the water level is unstable.

How do I know if my pool bottom drain is working?

you can tell if your main drain is working by perhaps putting a leaf on it. If it sticks, its working. In any case though, the main drain is not why your pool is having a problem. It has nothing to do with your pool turning green.

Does main drain connect to skimmer?

Because the main drain is not tied into the skimmer in this set-up, pool systems using this configuration usually also have a separate valve to control a separate main drain line that runs from the pool to the pump.

How do I turn off the main drain in my pool?

We can switch that to point the off towards the MD MD for main drain and that means all our water is now coming from this side which is SK I am the skimmer side. So by having this drain.

Can I plug my pool main drain?

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. Plugging a main drain shuts off the suction caused by the drain and prevents water from traveling through the lines connected to the drain.