But locating them isn t actually the problem with swimming pool main drains.
Swimming pool bottom drain leak.
The main drain of an in ground swimming pool is one of the most crucial parts of the pool s mechanics.
A main pool drain leak can be a repair technician s nightmare.
The main drain in your swimming pool is very easy to locate it sits right at the bottom of the pool.
Is a blended concentrated material designed to seal leaks in virtually any material.
A main drain circulates the pool s water by pulling water off the bottom of the pool and sending it to the filter.
Can be applied for leaks in the shell and works equally we.
An improperly functioning or broken drain can be an owner s worst nightmare because usually the pool must be completely drained and the concrete or plaster at the bottom must be destroyed in order to fix the leak.
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.
The most common reason for leak your pools main drain line was probably not winterized properly or the valve that locked air in the line was bad leaky or the plug used to lock air in the line popped out.
It would take something pretty dramatic to cause a concrete pool to crack and leak at the bottom whereas a vinyl pool liner over time will dry out become brittle and be more susceptible to cracks.
The equalizer line in the pool is a non pressurized pipe that connects from the main drain to the underside of the skimmer therefore often left even in major renovations.
Leaks in equalizer pipes are one of the most likely suspects with older swimming pools.
Although it is called the main drain it s not a drain at all.
In this case check the waste or backwash line for running water.
The pool usually has to be drained completely and the job involves destroying concrete and plaster to expose the leaking section so it can be repaired.
In any case water froze in the line when the water froze it expanded in the plastic line and cracked it.
Cracks in the floor of concrete pools or suspected leaks in the main drain of your pool in the bottom of the deep end are not ideal for dye testing unless you have scuba equipment which will allow you to get close enough to test these areas.
If the water drops below the light then there may be a leak in the drain at the bottom the pool.
A leaking swimming pool bottom is most likely going to happen with a vinyl lined pool.