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Question DetailsAsked on 9/12/2013

How do you choose a sump pump? At what price?

Ours has not worked for some time and we are in the middle of a super-rain. All local providers are sold out. The pump is located in the basement under a wood floor.

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3 Answers


You need to open the floor, and remove the pump it should have a tag .

Source: MiaMat

Answered 6 years ago by plumber2007


It is kind of a moot question since you say all are sold out in your area. Under a wood floor? That is different, but we won't go there. I would match it up by the size of the hose due to the fact that can sometimes give you an idea of GPH or gallons per minute. You might also be able to read the label on the existing pump. Other than that only you or someone that can visit the home and see what sort of water problem you have and the size of the basement can tell you.

Answered 6 years ago by ContractorDon


There should be a rating plate on the pump with manufacturer, model number, horsepower, NEMA rating code, rated gpm, rated head (or discharge pressure) and maybe other info.

Obviously you need to get one that is the same and for the right depth for your sump, should be same horsepower or higher if your current one worked well, and if hooked to a backup system you have to make sure they are compatible if your current pump has specdial conenctions for the alarm system or is low-voltage to run diretly off the battery without a voltage converter. Also, discharge should preferably match your current discharge size, and should be rated for the maximum "head" you need - the elevation in feet from the bottom ofthe sump to the highest point in your discharge pipe, and at least as many gpm (gallons per minute) as your current one. If the rating is in discharge psi rather than head, figure 1/2 psi per foot of elevation it has to overcome.

I personally trust Flotec - other common names that have been around for a long time (in no particular order) include Wayne, Ridgid, Zoeller, Superior, Kenmore/Craftsman, Little Giant,and Red Lion, among others. Some of these like Kenmore/Craftsman and probably Ridgid are made by one of the other manufacturers named.

If you are able to get the right size and horsepower, they are available at many box stores, online from plumbing supply houses and places like Amazon, etc.

Locally, they might also be available from a plumber or sewer and drain contractor if you have him install it - they commonly keep stock aside during high demand periods so they have product to sell and install, though they might not sell it outright.

Typically $70-200 depending on horsepower and flow capacity - usually 1/3 to 3/4 HP depending on flow rating and how high it has to lift to discharge point)

Answered 6 years ago by LCD

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