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How to Increase Boiler Pressure After Bleeding Radiators?

Published in Home Improvement 2 mins read

Understanding the Problem

Bleeding radiators releases trapped air, which can lower the water pressure in your boiler system. This is a normal occurrence, and you can easily restore the pressure.

Steps to Increase Boiler Pressure

  1. Locate the Filling Loop: This is a small pipe with two valves, usually found near the boiler.
  2. Open the Filling Loop Valves: Carefully open both valves, typically by turning them clockwise.
  3. Monitor the Pressure Gauge: Watch the pressure gauge on your boiler. It should start to increase.
  4. Stop When Desired Pressure is Reached: Once the pressure gauge reaches the recommended level (usually 1-1.5 bar), close the valves.
  5. Check for Leaks: After filling, check for any leaks around the filling loop or radiators.

Tips for Success

  • Use a Pressure Gauge: A pressure gauge is essential for accurately measuring boiler pressure.
  • Be Patient: It may take a few minutes for the pressure to rise.
  • Don't Overfill: Overfilling can damage your boiler.

Important Notes

  • Consult Your Manual: Always refer to your boiler's instruction manual for specific pressure recommendations.
  • Professional Help: If you're unsure about any steps, consult a qualified heating engineer.

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