new sump pumps - buying guide

Sump Pumps – A Quick Buyer’s Guide

This quick guide should provide you with all the information needed to make an educated decision when buying a new sump pump. If you look for these items before making your purchase, you should save yourself quite a few problems down the road.

Sump Pump Materials

This is by far the most important factor to consider. The material used in a new sump pump determines its longevity, cooling ability, and durability. Here are the three material options you’ll be choosing between and our opinions of each:

  • Thermo-plastic is the worst in just about every way. Just don’t buy if it uses thermo-plastic.
  • Cast iron is the most durable, but has a tendency to overheat and can rust out after about 10 years or so. We think it’s a decent choice, but the second best material for your sump pump.
  • From a plumber’s perspective, baffled aluminum is by far the best. The baffles, or cooling fins, provide the pump with extra durability and increase its surface area and ability to cool. Unlike cast iron, aluminum will never rust.

It might be tempting to buy a cheap plastic pump. However, in the long run it’s usually cheaper to buy a quality product, especially when you factor in the cost of your time.


Look for 3-year warranties, no less. Most companies provide either a 1-year or 3-year warranty. However, we get worried by company’s that provide only 1-year warranties because a quality sump pump should last 10 or more years.


In almost every situation, a 1/3 horsepower sump pump should be more than enough. In some cases, a sump pump with more horsepower or improved cooling is required.

Type of Sump Pump

If space allows, we recommend that you purchase a submersible sump pump. Why? Unlike a pedestal-style sump pump, it covers the sump pit with an airtight lid that (1) reduces noice and (2) keeps debris from entering into the pit.

Debris that gets in can sometimes cause expensive repairs or replacement. A submersible will put a stop to that. And the reduced noise, especially if you use your basement space for family or business activities, is a god-send. Another benefit is better control of the air in your home as less of it will get it through the pit.


Probably not as important as you might think. Why? Fortunately, there are tons of great brands out there. As long as you buy a reputable brand from a reputable supplier, you really do not have to worry about overpaying.

Not sure if your sump pump is working? Click here for a quick trouble shooting guide.

Call 1-Tom-Plumber

If you need help choosing a new sump pump, or just want to know if it even needs to be replaced, don’t hesitate to contact us here or call us at 1-866-758-6237. We will immediately handle any emergency plumbingdrain, and water damage problem, including excavation of underground water lines and sewer main lines.

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