How big of a UPS battery backup device do I need to power a sump pump?

I’ve been looking at APC brand UPS (uniterruptable power supply) and need to figure out what the minimum size ups needed (700,1400, etc) to power the sump pump is…

I doubt that there is an UPS big enough to run a sump pump in a real emergency because it would need to run off and on for several hours. What you need is a generator for this one, or you could end up with a flooded basement.

You need to compute VA of your equipment

Voltage multiply by the Ampere

Problem is that Sump Pump pull large amps on start up. You might just consider a battery back up unit attached over the sump. If your primary AC pump fails with the power on at least the battery back up unit will pump out your water and set off an alarm that the primary is not functioning. Good back ups would be the Pro Series or Wayne pumps make some good ones as well.

Get a deep cycle marine battery, a 12 volt battery charger and a 12V inverter (this converts 12 volt battery to 115v to run the pump). This will set you back about $120 for the whole setup. You could also get a 12 volt marine pump for a boat, enough hose to fit it and rig up a 12v stand by system. either way you need the deep cycle battery and charger.

I’m using a 120VAC input Best Power UPS ME1.4KVA unit. They have a single12VDC battery for the inverter so my sump pump can operate at 120VAC output. Anyway, I just use Qty. 4 auto size batteries in parallel. This gives me about 2 -3 hours of sump pump operation continuously without utility power. The little APC UPSs can’t handle the start surges upon sump pump cycle startups


What is a Sump Pump?

A sump pump is a pump used for drainage that removes accumulated water from a sump pit. A sump pit, commonly found in the home basement, is simply a hole dug in the ground to collect water. The water may enter via perimeter drains funneling into the pit, or may arrive from natural ground water in the earth.

Sump pumps are installed particularly where basement flooding is seen as a problem, but are also used to ameliorate dampness by lowering the water table under the Foundation. They pipe water away from the house to any place where it no longer presents a hazard, such as a municipal storm drain or dry well. Older properties may have their sump pumps connected to the sanitary sewer, but this is frowned upon now (and may be against the plumbing code) because it can overwhelm the municipal sewage treatment system. Though in some cases, a sump pump is used when a lower floor is below the sewer lines, to pump greywater waste from that floor to the lines.

Sump pumps are usually hardwired into a home’s electrical system, and may have a battery backup. Some even use the home’s pressurized water supply to power the pump, eliminating the need for electricity.

There are generally two types of sump pumps: pedestal and submersible. The pedestal pump’s motor is mounted above the pit, where it is more easily serviced but also more conspicuous. The submersible pump is entirely mounted inside the pit, and is specially sealed to prevent electrical short circuits.

Content provided graciously by the WikiPedia.

Sump Pump Repair

How To Repair A Sump Pump

Alright, it’s time to repair that malfunctioning sump pump. Because repairing a sump pump is an aweful lot like ‘fixing’ a sump pump, we’re not gonna do a whole lot of work on this page, unless you guys are just reallly wanting to get technical.

For those who’d like to stick with the program, click the link on the side and learn how to ‘fix’ a sump pump.

If you’d like to be technical, we’d love to hear from you!

Have you ever repaired a sump pump before and are you interested in having your expertise shared with interested people from around the world? We’d love to work with you to put up a guide on Sump Pump! Contact us! Send an email to!

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How To Replace A Sump Pump

How To Replace A Sump Pump

Just like in our page on fixing a sump pump, the first thing I’ll advise you is to have a professional plumber or home improvement guy come on over and take care of it himself. Sump pumps are a generally non-fun thing to work with, unless you just really like the whole dirt thing. But that aside, this page is about ‘replacing’ a sump pump!

So how do you replace a sump pump?

Well first, there are some things we need to go over first to make sure there is an understanding of what is going on. In this article you will read over the basic steps of ‘how-to’ replace your sump pump. This procedure is quite easy.

If you are looking to put in a completely new system, then you should seek the help of a professional plumber to do any piping. You should only attempt to install a new system if you have an advanced knowledge in how to do such procedures.

Also, before starting this job make sure that none of the drain lines will be used, and make sure that your sump pump is unplugged from any electrical source.

If you fail to make sure that none of the drain lines are used, then your house or utility room will get flooded.

Before starting make sure you are working in a well lighted area. You don’t want any problems to occur.

Also, before starting you may want to consider cleaning out your pit at the same time. To read an article on how to clean out your pit please go here.

Ok, it’s time to learn how to replace a sump pump.

2.  Locate the sump pump in your basement or utility room. Unplug it to avoid possible electrical shock or personal injury.

3.  Find the place to disconnect the pump from the drain line. If you cannot locate this, then revert to your owner’s manual. This is usually either a screw-together type union or a rubber coupling with hose-clamp fastenings. It is very easy to take these apart.

4.  Remove the pump from the pit and allow it to drain for a few minutes. Any plastic piping that was connected to the sump pump needs to be saved for the new one, unless you want to replace them. Find a 5 gallon bucket and put the pump in it. This is a safety precaution that way you don’t get gunk all over your carpet.

5.  Take the pump with you to your local hardware store, plumbing-supply warehouse or home-improvement center. They can help you pick a replacement that requires the same power source and provides the same drain-line hookups and pumping capabilities.

6.  Take the new pump and reattach any piping and fittings in the same way that they were on the old pump.

7.  Set the new pump in the pit and reconnect the union. Plug in the pump, and then test the pump by filling the sump pit with buckets of water.

(This article contributed by a brilliant plumber named Josiah)

Have you ever replaced a sump pump before and are you interested in having your expertise shared with interested people from around the world? We’d love to work with you to put up a guide on Sump Pump

How To Install A Sump Pump

How To Install A Sump Pump

Alright, so you’ve got your brand new sump pump and you’re just itching to install it! After all, the thing doesn’t do much good just sitting there. Well, first, we’ll go with the old standard suggestion. If you know a good plumber or even a good all around general home improvement guy, see if you can have them do the installation for you.

Installing a sump pump is a messy job and requires a bit of expertise. If you opt out of having a pro install your sump pump for you, then.. bust out the gloves, get some dirty pants on, and lets get started!

But wait? What’s next? Well folks, this is where it gets tricky and this is where I’m happy to help you out. This is also why I love HGTV so much! They put together an awesome resource on installing sump pumps which really help to clear a lot of things for me.

Here’s the quick and dirty basic guide for installing a sump pump:

First, we need some ingredients! You’ll need:

– the sump pump
– a good sledgehammer
– a post hole digger
– a bag of pre-mixed concrete
– some gravel or crushed stone
– a drill, with drill bits and hole saw
– a strong sturdy hack saw
– some PVC pipe and connectors
– PVC primer and cement
– 5-gallon bucket or 12″-diameter corrugated drain pipe
– filter fabric
– wrench
– Teflon tape (powerful stuff!)
– a check valve
– a good sized measuring tape
– safety glasses!
– work gloves (not that we mind getting our hands dirty!)

And here are the fast and dirty steps we take:

  1. First, choose your spot! We’re looking for an area about 24 inches in diameter. Be sure to remove any concrete in the area.
  2. Break out the post hole digger and start digging! Be sure to use good posture and take care of your back, or kindly ask someone else to do it. Keep digging till you have a pit about 24 inches deep.
  3. Grab your 5 gallon bucket and drilling some irrigation holes into it with the power drill. Wrap the bucket up in your filter fabric and this’ll take care of any debris sneaking through.
  4. Take your crushed rock and pour about two inches into the pit, then take your bucket liner and drop it in. Be sure that the lip of the bucket is flush with the floor, adding or removing crushed rock as needed.
  5. Now, take more crushed rock and pour it in along the sides, filling up the sump pit gap.
  6. Take your concrete and seal up the gap!
  7. Now the fun stuff. While we wait for the concrete to dry, we’re gonna take our teflon tape and wrap around the threads of the PVC pipe connector. Then we hand-tighten it to the pump.
  8. Now we’ve gotta find a good place for the PVC to drain out too. Once we’ve found it, we’ll route the PVC from the pump on outside.
  9. And finally, we place our beautiful little pump into the sump pit and connect it too our PVC drainage system. As a last note, we make sure that we can access the pump easily if we ever need to work on it again.

And that was that! Very well done! I told you it was a quick and dirty guide! : )

Have you ever installed a sump pump before and are you interested in having your expertise shared with interested people from around the world? We’d love to work with you to put up a guide on Sump Pump! Contact us! Send an email to!

Your guide will be published along with your name and any other fun tid bits you’d like to share.