Replacing Your Sump Pump: DIY or Hire a Pro?

Mike Martinez • March 18, 2025

Sump pump replacement is a critical task for ensuring your home remains dry and free from water-related damage. If you're wondering why this matters, here are a few key benefits:


  • Flood Prevention: A sump pump effectively diverts excess water away from your home, protecting your basement or crawl space from flooding.
  • Mold Reduction: By keeping the area dry, it prevents the growth of mold, mildew, and fungi, which can thrive in damp environments.
  • Improved Air Quality: By reducing moisture levels, sump pumps contribute to better air quality in your home.


Installing or replacing a sump pump is more than just a maintenance task; it's an investment in your home's safety and your family's health.



In the sections that follow, we'll explore how to determine when it's time to replace your sump pump, the DIY steps involved, and when you might want to hire a professional to ensure everything is installed correctly.

Signs You Need a Sump Pump Replacement

Recognizing the signs that your sump pump needs replacing can save you from unexpected flooding and costly repairs. Here are the key indicators:


Loud Noises

If your sump pump is making unusually loud noises, it might be time for a replacement. A loud motor often signals that the pump is nearing the end of its life. Sometimes, a noisy pump can indicate a clog. If the impeller is damaged, you'll hear rattling as it struggles to move water. A screeching sound might mean something is stuck in the pump. If you've ruled out clogs and the noise persists, consider replacing the pump to avoid failure.

Continuous Running

Sump pumps are designed to cycle on and off. If yours is running continuously, it could be due to a stuck float switch or improper installation. Adjusting or freeing a jammed float switch might solve the problem temporarily, but persistent continuous running is a strong sign that your sump pump needs replacing. If left unchecked, a constantly running pump will wear out quickly, leading to potential flooding.



Lifespan: 7-10 Years

The average lifespan of a sump pump is between 7 to 10 years. Regular maintenance can extend this, but even the best-maintained pumps will eventually need replacement. If your pump is within this age range and showing signs of wear, it's wise to plan for a replacement before it fails completely.

By keeping an eye (and ear) out for these signs, you can ensure your sump pump is always ready to protect your home from water damage. In the next section, we'll discuss the tools and materials needed for a DIY sump pump replacement.


DIY Sump Pump Replacement

Replacing a sump pump on your own can be a straightforward task if you have the right tools and follow the steps carefully. Here's a simple guide to help you through the process.


Tools and Materials Needed

Before you start, gather all the necessary tools and materials. Here's what you'll need:


  • Drill with 3/16" bit
  • 1.5" Schedule 40 PVC pipe (10 ft.)
  • Check valve
  • Adjustable pliers
  • Adjustable pipe wrench
  • Bucket
  • Primer & PVC cement
  • Hacksaw
  • Rubber coupling boot
  • Zip ties
  • Gloves
  • Rags/towels


Having these tools ready will make the installation process smoother and help avoid any last-minute trips to the store.


Step-by-Step Installation Guide

1. Disconnect Power

Safety first! Always disconnect the power to your sump pump before starting any work. This prevents accidental shocks and ensures a safe working environment.


2. Remove the Old Pump

  • Unplug the pump and disconnect the check valve. Let the water drain out into a bucket.
  • Carefully remove the old pump from the pit. Place it in a bucket to catch any remaining water.
  • Clean out the pit, removing any debris. Ensure the bottom is hard and level, like bricks or concrete, to prevent impeller damage.


3. Install the New Pump

  • Attach the Check Valve: Use a primer and PVC cement to attach the check valve to the discharge pipe. This ensures a strong bond. If using a standard check valve, secure it with a rubber coupling boot and a screwdriver.
  • Take Measurements: Measure the pit's diameter and depth. Ensure it's at least 22 inches deep and 14 inches wide to accommodate the pump and float switch.
  • Cut the PVC Pipe: Measure the required length from the check valve to the pump. Cut the PVC pipe a few inches longer than this measurement with a hacksaw. This allows for easy adjustments.
  • Attach the Adapter: Glue the male-threaded adapter to one end of the PVC pipe using primer and cement. Thread this end onto the sump pump using an adjustable wrench. Be careful not to overtighten, as this can crack the fittings.
  • Lower the Pump: Carefully lower the new pump into the pit, ensuring it's level and stable.
  • Connect the Discharge Line: Attach the PVC pipe to the discharge outlet of the pump. Secure it with zip ties and ensure all connections are tight to prevent leaks.


4. Test the Pump

Once everything is connected, restore power to the pump. Test it by pouring water into the pit to ensure it activates and drains properly. Check for any leaks in the connections.


By following these steps, you can successfully replace your sump pump and ensure your basement stays dry. If you're unsure or uncomfortable at any stage, consider contacting a professional for assistance.


In the next section, we'll explore when it's best to hire a professional for sump pump replacement.


Hiring a Professional for Sump Pump Replacement

Sometimes, tackling a sump pump replacement on your own isn't the best option. There are several reasons why hiring a professional might be the right choice for you. Let's explore these reasons.


Certified Specialists

When you hire a professional, you're getting an expert who knows the ins and outs of sump pump systems. Certified specialists have the training and experience to ensure that your sump pump is installed correctly and efficiently. They can also identify potential issues that might not be obvious to an untrained eye. This expertise is crucial, especially if your home has a complex sump pump setup or if you're installing a new type of pump.


Labor Costs

While hiring a professional does come with labor costs, it's important to weigh these against the potential costs of a DIY mistake. Labor costs for sump pump replacement typically range between $300 and $4,000, depending on the complexity of the job. If you already have a sump basin, a plumber might charge between $75 and $150 per hour. Although this might seem like a significant expense, it can save you money in the long run by preventing costly errors and ensuring the job is done right the first time.


Installation Complexity

The complexity of your sump pump installation can greatly affect whether you should hire a professional. If your sump pump is located in a hard-to-reach area or if modifications to the sump pit are necessary, a professional is better equipped to handle these challenges. For example, installing a sump pump in a crawl space is generally more affordable, but if your installation requires drilling through concrete or making extensive modifications, professional help is recommended. Additionally, if you're installing a combination pump system or a backup battery, a professional can ensure these components are properly integrated into your existing system.


Hiring a professional not only offers peace of mind but also ensures that your sump pump is ready to protect your home from water damage effectively. In the next section, we'll dig into the cost considerations associated with sump pump replacement, helping you make an informed decision.


Cost Considerations for Sump Pump Replacement

When it comes to sump pump replacement, understanding the costs involved is crucial. Here's a breakdown of what you can expect.


Average Costs

In the Midwest, the cost of replacing a sump pump ranges from $200 to $3,800. This wide range depends on several factors. On the lower end, you might just be replacing a simple pedestal pump. On the higher end, you could be installing a complex combination system with backup features.


Type of Pump

The type of sump pump you choose has a big impact on the cost. Here's a quick comparison:


  • Pedestal Pumps: These are often more affordable because they are easier to access and maintain. The pump itself can cost between $80 and $1,000.
  • Submersible Pumps: These are more powerful and efficient but also pricier. Expect to pay more for the pump and installation due to its complexity.
  • Combination Pumps: These systems use both electricity and water power, offering reliability even during power outages. They cost between $500 and $1,500 for the pump alone.
  • Backup Systems: Adding a backup battery can raise your total cost significantly, sometimes up to $2,000.


Installation Complexity

The complexity of the installation is another key factor. If your sump pump is in a hard-to-reach spot, or if you need modifications to your sump pit, costs can increase. Here’s why:


  • Basement Installations: Generally more expensive, costing between $800 and $2,000 due to accessibility issues.
  • Crawl Space Installations: Usually cheaper because they are easier to access.
  • New Installations: If you're installing a sump pump for the first time, additional costs for drilling or digging a sump pit can range from $500 to $1,200.


Labor Costs

Labor costs can range from $300 to $4,000, depending on the complexity of the job. If you already have a sump basin, expect to pay a plumber between $75 and $150 per hour for their expertise. Although this might seem steep, skilled labor ensures the job is done right, potentially saving you money on future repairs.


Understanding these cost factors will help you make an informed choice about replacing your sump pump. In the next section, we'll address frequently asked questions about sump pump replacement, providing further clarity on this important home maintenance task.


Frequently Asked Questions about Sump Pump Replacement


Can I replace my sump pump by myself?

Yes, replacing a sump pump can be a DIY project. However, it's considered an intermediate-level task. You'll need some basic tools and materials:


  • Drill
  • PVC pipe
  • Check valve
  • Adjustable pliers


If you're comfortable using these tools and following safety precautions, you can tackle a sump pump replacement on your own. But remember, if you're unsure about any step, it's best to consult a professional to avoid potential mishaps.


How much does it cost to replace a sump pump?

The cost of replacing a sump pump varies widely. In Michigan, it ranges from $200 to $3,800. Here's a breakdown of factors affecting the cost:


  • Type of Pump: Pedestal pumps are generally cheaper, costing between $80 and $1,000. Submersible pumps are more expensive due to their power and efficiency.
  • Installation Complexity: If the installation is straightforward, costs are lower. But if modifications to the sump pit are needed, or if the installation site is difficult to access, costs can rise significantly.
  • Labor Costs: Professional installation adds to the cost, with labor prices ranging from $75 to $150 per hour.


Understanding these factors can help you budget for your sump pump replacement.


What type of sump pump should I choose?

Choosing the right sump pump depends on your home's needs:


  • Submersible Pumps: These are installed underwater in the sump pit and are known for their power and efficiency. They're ideal for homes that experience frequent or heavy flooding.
  • Pedestal Pumps: These have the motor above the sump pit, making them easier to maintain. They're often more affordable but may not handle large volumes of water as efficiently as submersible pumps.


When selecting a pump, consider the horsepower as well. A 1/3 horsepower pump is usually sufficient for most homes, but if your home is in a flood-prone area, a 1/2 horsepower pump might be necessary.


Choosing the right type and power of sump pump ensures your home stays dry and protected, especially during storms. If you're unsure which pump is best for your situation, consulting with a professional can provide clarity and peace of mind.


Conclusion

When it comes to sump pump replacement, choosing the right service provider can make all the difference. At Accountable Home Services - AfterHours Plumbing & Drainage, we pride ourselves on delivering reliable service with upfront pricing, ensuring you never encounter hidden fees or surprises. Our commitment to transparency means you can trust us to handle your plumbing needs with integrity and professionalism.


Whether you're facing an emergency repair or planning a routine maintenance task, our team of certified specialists is available 24/7 to assist you. We understand the importance of a properly functioning sump pump in protecting your home from water damage and mold growth. That's why we provide fast, efficient services to keep your home safe and dry.


Serving the Denver Metro area, including cities like Broomfield, Westminster, and Thornton, our local expertise allows us to address the unique challenges of your home environment. From selecting the right type of sump pump to ensuring a seamless installation, we are here to guide you every step of the way.


For those considering a DIY approach, while replacing a sump pump can be manageable, it requires careful attention to detail and safety precautions. If you're ever in doubt, our professional team is just a call away.



Ready to ensure your sump pump is in top shape? Contact us today to learn more about how we can help with your sump pump replacement and other plumbing needs. With Accountable Home Services, you can rest easy knowing your home is in good hands.

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