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Old 03-15-2010, 07:28 PM   #1
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Recomendation for Battery Sump Pump?


Friends power went off during this weekends storm and so did his sump pump. 5" inches of rain later and he has an 1" of water slushing around down there. Just enough to F everything up.
So can anyone recomend a good, reliable 1000+ GPH sump pump. Batteries as well and and how do you wire this? Do you use a trickle charger like boats have? Do large boat pumps work?

Thanks in advance

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Old 03-15-2010, 08:11 PM   #2
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Recomendation for Battery Sump Pump?


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Originally Posted by II Weeks View Post
Friends power went off during this weekends storm and so did his sump pump. 5" inches of rain later and he has an 1" of water slushing around down there. Just enough to F everything up.
So can anyone recomend a good, reliable 1000+ GPH sump pump. Batteries as well and and how do you wire this? Do you use a trickle charger like boats have? Do large boat pumps work?

Thanks in advance
Consider this:

http://www.amazon.com/Glentronics-BW...8701808&sr=8-9

or this:

http://www.amazon.com/Zoeller-507-00...8701808&sr=8-6

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Old 03-15-2010, 09:19 PM   #3
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Recomendation for Battery Sump Pump?


If you are on city water there is no question I would go with a water powered backup system a good system runs around 300 At a pluming supply warehouse. Look for one that removes two ga. for every one used
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Old 03-16-2010, 07:20 AM   #4
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Recomendation for Battery Sump Pump?


I went pro-active on this. I bought a combo sump-pump and backup. It was the Basement Watchdog combo pump. Around me they sell it at Lowes for about 350. You have to buy the battery separate and the acid as well. Super easy to install. I had it in in about 2 hours. I am not a plumber at all. You just cut the pvc discharge pipe, pull out the old pump and check valve and use the rubber coller provided with the pump and you are good to go. Building the battery is a little trickier. They do it this way so the battery doesn't die on the shelf. All costs about 500 to get you up and running. Buy the biggest battery (12hr) specifically designed for the watchdog (there are 2. an 8 and 12hr). If you buy the 8 you will have extra acid on hand and it is a pain to neutralize it (which I don't recommend you do... trust me) Anyway, the main pump 1/3 hp runs on electricity until the power dies. Then the backup pump will run off the batter continuously for 12hrs. While the power is connected a charger trickle charges the battery. The system also has a warning system for battery maintenance as well as it lets you know when the backup kicked in. If your main pump has a mechanical failure, the backup takes up the slack.

I was worried since I was replacing a 1/2 hp with the 1/3, but I am not having problems pumping water. If the water is really flowing, the backup will run in tandem with the primary. This system gives me a lot of piece of mind. Pair this with a water bug or phone alert system and you will know if you are about to have a yact club in your basement.
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Old 03-16-2010, 07:22 AM   #5
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Recomendation for Battery Sump Pump?


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If you are on city water there is no question I would go with a water powered backup system a good system runs around 300 At a pluming supply warehouse. Look for one that removes two ga. for every one used
Yes, but what happens if you like to turn the main water off to your house when you leave for vacation? No water flowing through the pipes = no back-up pump.
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Old 03-16-2010, 07:33 AM   #6
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Recomendation for Battery Sump Pump?


Your choice. 6-12 hours of run time then the battery backup is useless, turn the water off the water backup is useless
Oh I didn't catch that tb1229 the OP never said any thing about turning off the water

Last edited by plumberinlaw; 03-16-2010 at 07:37 AM.
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Old 03-16-2010, 05:41 PM   #7
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Recomendation for Battery Sump Pump?


thanks. I did some reading on the watchddog units and I agree with the 12 hour unit

I was also looking at marine units with deep cell batteries that I could run with possibly using a wind generator for re-charging and constant usage in case powers out for a while.
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Old 03-16-2010, 06:04 PM   #8
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Recomendation for Battery Sump Pump?


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Your choice. 6-12 hours of run time then the battery backup is useless, turn the water off the water backup is useless
Oh I didn't catch that tb1229 the OP never said any thing about turning off the water
True, OP never did say he turned the water off, I just mentioned that some people do... And if you do, no dice with the water back up.

The 12-hour battery is 12 hours of continuous run-time. If it cycles on and off and is not running all the time, then that would be extended. Plus, if you are really worried, you could hook another battery in series or recharge the battery via generator. You could even use your car battery. If it gets to that, I think you have more worries than a flooded basement. Just my .02
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Old 03-18-2010, 01:31 PM   #9
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Recomendation for Battery Sump Pump?


I'm interested in this topic as well, as i narrowly avertyed the same flood situation this weekend. The night before the storm I bought th ebiggest power inverter walmart had 750 watts continuous and 1500 watts surge. When I lost power i was able to hook this to my truck, run an extension cord, and power my pump.

Far from ideal, but better then a flooded basement. I had intended to buy a portable generator, but couldn't find one.

I looked at water powered backups, but the switches kind of scare me. I also read one post where the outlet clogged, a pipe broke, and the persons basement got filled like a swimming pool from the city water running to the pump.

The battery backup pumps look like glorified bilge pumps to me....not very stout compared to a real pump. I was considering going that route, but just making my own system with a good johnson bilge pump, maintenance free marine deep cycle battery and a trickle charger/maintainer. I could do it much cheaper than the preassembled kits.

If anyone has taken this route, I'd love to hear about your setup.

I don't like that the watchdog systems dont use maintenance free batteries. I realize the maintenance free batteries generally dont last as long, but adding water to the battery all the time doesn't appeal to me. I would rather replace it very third year.
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Old 03-18-2010, 04:14 PM   #10
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Recomendation for Battery Sump Pump?


I understand the battery maintenance thing, but the system has a monitoring probe and tells you when you need to add distilled water. I can hear the alarm from upstairs and I am in the room with the pump on a daily basis, so it is no big deal for me.

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