June 27, 2025

5 Signs Your Pool Filter Pump Needs to be Replaced

5 Signs Your Pool Filter Pump Needs to be Replaced

A well-functioning pool filter pump is the heart of your swimming pool’s circulation system. Without it, your pool water can quickly become dirty, unsafe, and unpleasant. If your swimming pool pump and filter system starts malfunctioning, you may notice poor water quality, higher energy bills, or even complete equipment failure. At Anomaly Pool Services, the leading pool equipment repairs services provider in Texas, we specialize in diagnosing, repairing, and replacing pool pump filter systems to ensure your pool stays crystal clear all year round.

In this comprehensive guide, we’ll explore the 5 key signs that indicate your pump and filter for the swimming pool may need replacement. We’ll also answer common questions like "Is a sand filter pump better?" and "Why does my pool pump keep losing pressure?", helping you make informed decisions about your pool maintenance.

Decreased Water Pressure & Flow

One of the most obvious signs that your pool filter pump is failing is a noticeable drop in water pressure. If your pool pump loses pressure after a few minutes, it’s a clear indicator that something is wrong.

Common Causes of Low Pressure

  • Clogged or Dirty Filter: Over time, debris builds up inside the filter, restricting water flow.
  • Worn-Out Impeller: The impeller is responsible for moving water; if damaged, it reduces efficiency.
  • Air Leaks in the Suction Line: Cracks or loose fittings allow air into the system, reducing pressure.
  • Blocked Skimmer or Pump Basket: A full basket can obstruct water intake.

What to Do Next?

  • Clean or backwash your filter to remove trapped debris.
  • Check for air leaks in the pump lid, valves, and pipes.
  • Inspect the impeller for damage or blockages.

If these steps don’t restore pressure, it may be time for a pool pump filter replacement. Anomaly Pool Services can assess whether a repair or full replacement is the best solution.

pool pump and filter

Unusual Noises Coming from the Pump

A healthy swimming pool pump and filter should run smoothly with minimal noise. If you hear strange sounds, it’s a red flag that something is wrong.

Types of Noises & What They Mean

  • Grinding or Rattling: Worn-out bearings or a damaged impeller.
  • High-Pitched Squealing: Motor issues, often due to overheating or electrical faults.
  • Loud Humming: A failing motor capacitor or stuck impeller.

Why Immediate Action is Necessary

Ignoring these sounds can lead to complete motor failure, requiring costly pool equipment repairs. If your pump is making unusual noises, shut it off and call Anomaly Pool Services for a professional inspection.

swimming pool pump and filter

Frequent Air Bubbles in the Pool Returns

Air bubbles shooting out of the return jets indicate that air is entering the system. This reduces efficiency and can damage the pump over time.

Possible Causes

  • Suction-Side Leaks: Loose fittings, cracked pipes, or a damaged pump seal.
  • Low Water Level: If the water is below the skimmer, the pump sucks in air.
  • Clogged or Dirty Pump Basket: Restricts water flow, causing air pockets.

How to Fix It?

  • Ensure the water level is halfway up the skimmer.
  • Tighten all connections and inspect for cracks.
  • Clean the pump basket and check the O-ring on the pump lid.

If bubbles persist, your pool pump filter may need professional servicing.

pool pump filter

Pool Water Isn’t Staying Clean

If your swimming pool filter not working properly, you’ll notice:

  • Cloudy or green water despite proper chemical balance.
  • Debris settled at the bottom even after vacuuming.
  • Poor water circulation, leading to algae growth.

Is a Sand Filter Pump Better?

Sand filters are popular for their durability and low maintenance, but they require regular backwashing. If your sand filter isn’t cleaning effectively, it may need:

  • New filter sand (recommended every 5-7 years).
  • A deep clean to remove channeling (compacted sand).

Alternatively, cartridge or DE filters offer finer filtration but require different maintenance. Anomaly Pool Services can help you choose the best pump and filter for a swimming pool based on your needs.

Increased Energy Bills

A failing pool filter pump often works harder to circulate water, leading to:

  • Longer run times to maintain cleanliness.
  • Higher electricity consumption.
  • Overheating, which shortens the motor’s lifespan.

Solution: Upgrade to an Energy-Efficient Pump

Older single-speed pumps consume excessive energy. Switching to a variable speed pump can reduce energy costs by up to 80%. Anomaly Pool Services offers expert pool pump filter replacement with high-efficiency models to save you money long-term.

pump and filter for swimming pool

FAQs About Pool Pump & Filter Issues

Why does my pool pump keep losing pressure?

This is often due to a clogged filter, air leaks, or a failing motor. Regular maintenance can prevent this issue, but if pressure drops persist, a professional inspection is recommended.

Is a sand filter pump better than cartridge or DE filters?

Each type has pros and cons:

  • Sand filters are low-maintenance but require backwashing.
  • Cartridge filters offer better filtration but need periodic cleaning.
  • DE filters provide the clearest water but require more upkeep.

The best choice depends on your pool size and maintenance preferences.

How often should I replace my pool pump filter?

Replacement intervals vary by filter type:

  • Sand filters: Replace sand every 5-7 years.
  • Cartridge filters: Replace every 2-3 years.
  • DE filters: Replace grids every 1-2 years.

My swimming pool filter is not working, what should I do?

First, check for clogs, leaks, or low water levels. If the problem continues, search for “expert pool equipment repairs near me” and contact Anomaly Pool Services immediately.

When should I consider a full pool pump filter replacement?

If your pump is over 8-10 years old, constantly losing pressure, or requiring frequent repairs, investing in a new system is more cost-effective than repeated fixes.

swimming pool filter not working

Trust Anomaly Pool Services for Expert Pool Pump & Filter Solutions

Ignoring pool pump filter problems can lead to costly repairs or even complete system failure. At Anomaly Pool Services, we provide:

  • Comprehensive diagnostics to identify issues early.
  • High-quality replacements for pumps, filters, and related equipment.
  • Energy-efficient upgrades to save you money.

Don’t wait until your pool turns green, contact Anomaly Pool Services, the best pool equipment repairs provider in Texas, for reliable and affordable solutions today!

Copyright 2025. Anomaly Pool Services Company, LLC.