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Old 06-29-2012, 10:36 PM   #1
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Power outage

I had a little power outage last night. Luckily for some reason I woke up 5 minutes before I lost power or I would have had water all over the place. Whats my best option for a battery backup for my sump? I have a eshopps overflow.
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Old 06-30-2012, 12:25 AM   #2
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If your sump is setup correctly, you should not have any overflow or spillage issue during a power loss. If your sump will overflow during a power outage, it is disaster waiting to happen.

The level in your sump should be such that in the even of a power outage, it can handle all of the water that would drain from the DT to the sump.
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Old 06-30-2012, 12:49 AM   #3
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I think he's meaning his overflow box loses siphon, and will flood the DT? Ive heard of people using Aqualifter pumps on their overflow boxes, to re-establish the siphon. As far as I understand it, once power is back on, the pump pulls water into the overflow box, giving it enough potential energy, to re-start the siphon. Not positive, but I think this is how it works. I think they're only like $20-30.
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Old 06-30-2012, 01:24 AM   #4
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Oh ok. I was thinking the issue was the other way. I am not familiar with HOB overflows but I thought If they were setup correctly, there should be no overflow even if power is lost/regained? Maybe I am wrong here. Wouldn't be the first time
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Old 06-30-2012, 08:12 AM   #5
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Quote:
Originally Posted by fort384 View Post
If your sump is setup correctly, you should not have any overflow or spillage issue during a power loss. If your sump will overflow during a power outage, it is disaster waiting to happen.

The level in your sump should be such that in the even of a power outage, it can handle all of the water that would drain from the DT to the sump.
That is true. If you lose power, you should have your sump setup so it can handle the extra water that will drain from the DT in a power outage. The HOB overflow should not lose siphon during a power outage and when the pump turns back on the overflow should start up like nothing ever happened.
I used a HOB overflow for close to 20 yrs and never had any problems with it restarting after I shut the pump off.
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Old 06-30-2012, 08:15 AM   #6
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Yeah, you won't lose siphon in a power outage. When the sump pump stops pumping water into the DT, the siphon simply sits there, water still in the u-tube. When the power is back on, the siphon is resumed without any interaction.

From the OP, it sounds like there's not enough space in his sump to allow the water to drain.
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Old 06-30-2012, 09:19 AM   #7
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I was talking about the sump. I just got the sump last week so still kind of new to it. I just thought it would overfill if I lost power. I think I will turn the return pump off n c if it would spill out or not.
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Old 06-30-2012, 09:27 AM   #8
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Quote:
Originally Posted by fort384
Oh ok. I was thinking the issue was the other way. I am not familiar with HOB overflows but I thought If they were setup correctly, there should be no overflow even if power is lost/regained? Maybe I am wrong here. Wouldn't be the first time
I'm not familiar with them either, I just thought this was what the OP was meaning. Reading different threads, I've read of people losing their siphon, somehow, and thought it was from power outage. And from researching HOB overflows, before i got a drilled tank, i read that an aqualifter was recommended. Sorry for adding to the confusion!
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Old 06-30-2012, 09:29 AM   #9
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No biggie. U were just trying to help out.
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Old 06-30-2012, 11:12 AM   #10
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Sounds like a good plan. You will want to run the water level in your sump such that it can handle all the water that drains from the DT when you switch the pump off. That way you are covered
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