How to Blow out Inground Pool Lines

How to Blow out Inground Pool Lines

As summer fades and autumn leaves begin to fall, thoughts turn to preparing your beloved inground pool for the winter slumber. While covering and chemical adjustments are crucial, one often overlooked step holds the key to a stress-free spring: blowing out your pool lines.

This critical process removes water from your plumbing system, preventing costly damage from freezing temperatures. Don’t let frozen pipes crack your winter zen! Master the art of blowing out your inground pool lines with this comprehensive guide.

Why Blowing Out Your Lines Matters:

Water expands when it freezes, exerting immense pressure on anything trapped within. In your pool’s plumbing system, this translates to potential pipe bursts, cracked filters, and expensive repairs come spring. 

Blowing out the lines removes this risk, ensuring your pool awakens from its winter slumber without a splash of unexpected damage.

Gear Up for the Blow Out:

Gather your arsenal for a successful mission:

  • Air compressor: Delivers the muscle to push water out of the lines. Look for one with at least 2 CFM at 40 PSI.
  • Air blower: Specifically designed for pool lines, offering pressure regulation and hose attachments.
  • Air hose: Connects the compressor or blower to the pool lines. Choose a pressure-rated hose for safety.
  • Plugs: Block the return lines to channel air through the entire system. Choose winterizing plugs compatible with your pool fittings.
  • Anti-freeze: While optional, consider using antifreeze for extra protection in harsh climates. Follow manufacturer instructions for dilution and use.

The Blowing Out Blueprint:

Preparation:

  1. Lower the water level: Ensure the water level is below the skimmer box to prevent air escaping there.
  2. Balance chemicals: Maintain proper pH and chlorine levels for winter storage.
  3. Clean the pool thoroughly: Eliminate debris and algae buildup that could clog lines.
  4. Gather your tools and ensure all connections are secure.

Blowing Out:

  1. Attach the air blower: Connect the air hose to the blower and then to the designated port on your pool equipment (usually near the filter).
  2. Plug the return lines: Securely insert plugs into each return line fitting.
  3. Turn on the blower: Start with low pressure and gradually increase until you hear air escaping from the open return lines. Adjust the pressure to maintain steady airflow without exceeding recommended limits for your pipes.
  4. Move systematically: Open and close individual valves on your pool equipment (filter, heater, etc.) one by one, allowing air to blow out each line completely. Listen for a hissing sound indicating complete water removal.
  5. Repeat for all lines: Continue blowing out each line until hissing stops, ensuring complete water removal.
  6. Drain the pump and filter: Open the drain plugs on the pump and filter to remove any remaining water.

Finishing Touches:

  1. Remove the plugs and store them safely.
  2. Consider adding antifreeze: If desired, follow manufacturer instructions to dilute and pour antifreeze into designated lines using a funnel.
  3. Winterize other equipment: Cover the pool, clean and store pool furniture, and address any additional winterizing needs.

Bonus Tips:

  • Consult your pool manual or a professional for specific instructions tailored to your pool system.
  • Work in a well-ventilated area and wear safety glasses when using the air compressor.
  • Label your plugs for easier identification next season.
  • Consider using compressed air specifically designed for pool lines for optimal results.

Conclusion:

Blowing out your inground pool lines may seem daunting, but with the right knowledge and tools, it becomes a manageable task. 

By following these steps and prioritizing winterization, you ensure your pool awakens from its winter slumber ready for another season of splashtastic fun.

Avoid costly repairs and embrace peace of mind by mastering the art of blowing out your lines! Remember, a little effort now translates to a stress-free spring and countless joyful pool memories later.


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