Swimming Pool Drain

When you fill the pool be sure to replace the hrv with a new valve.

Swimming pool drain. 3 it is not recommended to drain a swimming pool through the backwash valve. The damage to your pool pump will normally many times the cost of renting a pump. If you re pumping at 30 gallons minute or 1 800 gallons hour and you have a 25 000 gallon 94 635 3 l pool it will take roughly 14 hours to drain the pool. 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.

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. That is it is not used to drain the pool. All concrete and fiberglass swimming pools should have a hydrostatic relief valve installed in the main drain. A pool s so called main drain is not actually a drain.

While sucking from the main drain and putting the water down the backwash line will work in some scenarios it puts your pool pump at risk of losing prime and running dry. The main drains are usually located on the lowest point in the pool so the entire pool surface slants toward them. 5 every foot or so of water level decrease spray the perimeter of the pool s previous water line with a hose.