How to Blow Lines Out in Inground Pool: Essential Steps to Winterize Your Pool Safely

Fact checked by
Reviewed by

Have you ever faced the hassle of winterizing your inground pool? It can be a daunting task, especially when it comes to blowing out the lines. If you don’t do it right, you risk damage from freezing water—no one wants that headache!

Key Takeaways

  • Understanding Inground Pool Lines: Proper maintenance of pool lines is crucial for effective water circulation, filtration, and heating, ensuring pool safety and functionality.
  • Importance of Blowing Out Lines: Blowing out pool lines prevents damage from frozen water, protecting your investment and simplifying pool opening in spring.
  • Preparation and Tools: Essential tools include an air compressor, blowout adapter, clear vinyl hose, and safety gear. Proper preparation ensures a smooth line winterization process.
  • Step-by-Step Process: Follow a systematic approach—locate the lines, connect the blower, open valves, and monitor for clear water expulsion to ensure thorough line blowing.
  • Best Practices: Use the right equipment, address visible issues before starting, and never rush the process. Systematically check and clear all lines, including autocleaner lines, to prevent freezing damage.

Understanding Inground Pool Lines

Inground pool lines are vital for water circulation, filtration, and heating. Proper maintenance of these lines ensures your pool remains functional and safe.

Importance of Blowing Out Pool Lines

Blowing out pool lines prevents damage caused by freezing water. Water left in the lines during winter can expand and lead to cracking or bursting. By ensuring all water is removed, you protect your investment and simplify the opening process in the spring. It’s essential to blow out lines connected to the skimmer, main drain, and return lines for complete coverage.

Common Issues with Pool Lines

Several problems can affect pool lines, leading to costly repairs or operational issues.

  • Clogs: Debris, leaves, or dirt can accumulate, obstructing water flow. Regular cleaning minimizes this risk.
  • Cracks: Temperature fluctuations can cause plastic or PVC lines to crack. Staying vigilant during winter can avoid this situation.
  • Leaks: Over time, joints can deteriorate or become loose, resulting in leaks. Inspecting lines regularly helps catch these early.
  • Pressure Issues: Low pressure may indicate a blockage or leak, while high pressure often signals a problem elsewhere in the system.

Identifying these issues early allows for timely repairs, ensuring smooth operation throughout the pool season.

Preparing for The Process

Preparing for the process of blowing out pool lines requires the right tools and awareness of safety precautions. Proper preparation ensures smooth and effective line winterization.

Necessary Tools and Equipment

Gather these essential tools for blowing out your inground pool lines:

  • Air Compressor: Use a high-volume, low-pressure air compressor for efficient air flow.
  • Blowout Adapter: Acquire a blowout adapter that fits your pool’s plumbing system. This connects the air compressor to the lines.
  • Clear Vinyl Hose: Use clear vinyl hose to visually monitor when water is expelled from the lines.
  • Safety Goggles: Protect your eyes from potential debris and water spray.
  • Ear Protection: Use earplugs or earmuffs to guard against loud compressor noise.

Ensure you have these supplies before starting the process. Having the right equipment streamlines the task and promotes safety.

Safety Precautions

Implement these safety precautions to ensure a safe and effective line blowout:

  • Check for Electrical Hazards: Inspect the area around the pool for any exposed wires or electrical equipment. This minimizes electrocution risks.
  • Wear Protective Gear: Always wear safety goggles and gloves. This protects against unexpected splashes and potential injuries.
  • Avoid Over-Pressurizing: Monitor the pressure settings on your compressor. Over-pressurizing can damage pool lines.
  • Clear the Surrounding Area: Remove any obstacles around the pool to prevent tripping or falling accidents.
  • Work in Pairs if Possible: Having a friend nearby helps with communication and assistance, increasing safety.

By following these tools and safety measures, you’re well-prepared for blowing out your inground pool lines effectively.

Step-by-Step Guide on How to Blow Lines Out in Inground Pool

Blowing out pool lines helps prevent freezing damage during winter. Follow these steps for an effective process.

Step 1: Locate Your Pool’s Lines

Identify the lines that connect to your pool. Look for skimmer lines, main drains, and return lines. Understanding these components ensures you target the correct areas. Check your pool’s plumbing diagram if you have one. This diagram provides an overview of where each line is positioned. If you’re unsure, consult a professional for assistance.

Step 2: Connect the Air Blower

Choose an air blower suitable for this task, like an air compressor or a shop vac with a blowing function. Securely connect the blower to the first line needing attention. Use a threaded adapter if necessary, ensuring a tight fit. This prevents air leaks, which can lead to ineffective blowing. Keep the blower’s pressure settings low to avoid damaging the lines.

Step 3: Open the Valves

Open all relevant valves to allow air flow. Start with the skimmer and main drain valves, then work on the return lines. Opening the valves improves air circulation and ensures all water is expelled. Monitor the process; you might notice bubbles or spitting at the returns, indicating water removal. Once the lines blow clear, close the valves to maintain pressure.

Following these steps will effectively blow out your inground pool lines, helping to protect your investment throughout the winter months.

Tips for Effective Line Blowing

Follow these tips to ensure successful line blowing for your inground pool.

Best Practices to Follow

  • Choose the Right Equipment: Use a powerful air compressor or blower specifically designed for pool lines. The right tool ensures adequate pressure for clearing water.
  • Inspect All Lines: Before starting, visually inspect the lines for any visible damage or clogs. Addressing issues beforehand avoids complications during the blowing process.
  • Work Systematically: Begin at the furthest point from the pool and work your way back. This approach ensures water is effectively expelled throughout the entire system.
  • Open All Valves: Open all necessary valves and drains to allow for maximum air flow. This step prevents air blockage during the process.
  • Monitor the Process: Keep an eye on the water removal. Ensure water runs clear, indicating all contaminants are blown out of the system.
  • Not Using Enough Pressure: Using insufficient pressure might not remove all water. Ensure the air compressor delivers enough force to clear the lines entirely.
  • Neglecting the Autocleaner Lines: Forgetting to blow out the autocleaner lines can lead to freeze damage. Always include these lines in the winterization process.
  • Failing to Check for Blockages: Ignoring visible blockages can trap water. Always check and resolve any clogs before starting the blowing process.
  • Skipping Visual Inspections: Skipping inspections may result in overlooking cracks or leaks. Inspecting each line before blowing ensures prevention of future issues.
  • Rushing the Process: Hurrying through line blowing may leave water behind. Take your time to ensure thorough removal of all fluids.

Conclusion

Taking the time to properly blow out your inground pool lines can save you from costly repairs down the road. By following the steps outlined and being thorough in your approach you’ll ensure your pool is well-protected during the winter months.

Remember to keep an eye on your equipment and check for any potential issues along the way. A little extra care now means you can enjoy a worry-free swim season when warmer weather rolls around. Happy pool maintenance!

Frequently Asked Questions

Why is it important to winterize inground pool lines?

Winterizing inground pool lines is crucial to prevent damage from freezing water. When water in the lines freezes, it expands, leading to clogs, leaks, or even bursting pipes, which can be costly to repair.

What equipment do I need to blow out pool lines?

To blow out pool lines effectively, you’ll need an air compressor or a specialized pool line blower. Ensure the compressor has sufficient pressure, typically around 20-30 PSI, to remove all water from the lines.

How do I check for clogs in my pool lines?

Inspect all visible lines for any signs of damage or blockages. You can also use a plumbing snake or a flexible brush to clear any minor clogs. Visual inspections are essential to ensure efficient water removal.

What order should I follow when blowing out pool lines?

Work systematically from the furthest point of the system back to the equipment pad. This ensures that all lines are cleared of water, preventing any damage due to freezing.

Should I check autocleaner lines during winterization?

Yes, it’s essential to check autocleaner lines. They can retain water, leading to possible damage during winter. Ensure all valves are opened and air is pushed through to clear these lines fully.

How can I avoid rushing the line blowing process?

Take your time during the process by following the step-by-step guide. Monitoring the water removal closely ensures thorough clearance of all lines, reducing the risk of leaks and damage when winter arrives.

Scott Keller
Scott Keller

Photo of author

Written By Scott Keller

Scott Keller is an experienced pool industry professional with over 20 years of expertise in gunite pool design, construction, and maintenance.

Leave a Comment