tank overflow prevention?

[superduperwesman]

Originally Posted by cwickham

water doesnt have to flow back into the tank as fast as its pumped up, you can restrict it to find a good balance between over flow and the perfect level.

Yeah it does.... if it doesn't, like mentioned, you will slowly overflow your tank.

Yeah you can have a float switch that shuts off your pump... but once the drain gets a little backed up your pump going on and off ever few minutes. Not sure why you would want that

The only reason why you put a valve on you drain is to reduce air in the line... ideally the water flow should stay the same... unfortunately it is almost imposable to achieve this which is why you need a back up drain.

[Doug]

This is my take on this topic, so take it for what its worth.

1. I would never valve a drain.

2. I would never use a check valve.

3. Make the drains large enough to handle any volume or two drains or use an overflow drain as many have suggested.

4. Use a herbie, duraso or stockman overflow, to silence them.

Sumps & overflows are a very simple thing to not complicate and make them fool proof.