Swimming Pool Main Drains Don't Move Pool Water

Swimming pool main drains don't move water, pool water inlets do; swimming pool main drains can be used to receive water, but they don't actually move pool water. History records, and sometimes it is history that teaches us the best lessons. Let's take a look at language on swimming pool circulation and swimming pool drains for most of the United States from 1928. If we followed these guidelines, we could probably stop swimming pool main drain suction entrapment.