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Bottom Drains and Empty Ponds
"Just Me "Koi"" wrote in message
... snip Should the pump fail, the backflow device will stop the water from the biofilter from going back into my pond thru the bottom drain. With this setup if your pump fails then there will be no backflow into the pond. The backflow valve is only needed if the VF is above the pond right? If they are at the same level, they should equalize, correct? The pipe breakage issue is a different problem that can be corrected with a level switch similar to what you have in your fuel pump. Get this type of switching device from your local plumbing supply store, connect the switch to your pump. If the level goes below a predetermined level, then your pump will shut off. (I will do some research into this myself soon and will report back to the group) I'd love to hear what you find out. BV. |
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