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How to Remove Air from Hot Water Pipes?

Published in Plumbing Maintenance 2 mins read

Removing air from hot water pipes involves a systematic process to bleed the air out of your plumbing system. The provided reference outlines a crucial step in this process. Here's a detailed guide:

Steps to Bleed Air from Hot Water Pipes

  1. Turn Off the Main Water Supply: This is a crucial first step to prevent more air from entering the system and to control the water flow during the bleeding process.

  2. Drain Excess Water: Open the lowest faucet in your house to drain any excess water. This helps to create space for air to escape when you turn the water back on.

  3. Turn the Water Back On: According to the reference, after draining excess water, turning the water back on and running your faucets and house appliances that use water can remove air bubbles from the pipes. (Reference: 18-Aug-2022)

  4. Open Faucets Individually:

    • Start with the faucet that's closest to the main water supply.
    • Open both the hot and cold water taps fully.
    • Let the water run until a steady stream flows without any sputtering or air bubbles.
  5. Repeat for All Faucets and Fixtures:

    • Work your way through each faucet, shower, and appliance (like washing machines and dishwashers) in your home.
    • Always start with the lowest level of your home and move upwards.
  6. Check for Success:

    • Listen for gurgling or banging sounds in the pipes. These sounds indicate trapped air.
    • If the sounds persist, repeat the bleeding process.

Troubleshooting

  • Persistent Air: If air continues to be a problem, there might be a leak in your plumbing system allowing air to be drawn in. Contact a professional plumber to inspect your system.
  • Water Heater: Check your water heater for sediment build-up, as this can sometimes contribute to air in the pipes.

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