How to re-pressurising expansion vessel on a Baxi Dou Tec combi boiler step by step
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- Опубликовано: 8 сен 2024
- How to re-pressurising expansion vessel on a Baxi Dou Tec combi boiler step by step
This video is for GAS SAFE ENGINEERS only, always follow manufacturer instructions.
Before to start any work on gas appliance isolate the power, turn off the gas and the waters.
1. Remove front cover
2. Download manual
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3. Drain the boiler
4. Remove the ignition generator bracket to have access to expansion vessel test point
5. Connect compressor to expansion vessel
6. When the boiler pressure drop to 0 bar you can re-pressurise the expansion vessel till 1 bar.
7. Make sure you leave open the drain point.
8. When the boiler pressure is 0 bar, the drain point stopped and the expansion vessel pressure is 1 bar, then it's done.
9. Remove the compressor.
10. Refit ignition generator bracket
11. Close the drain point.
12. Re-pressurise the heating system till 1 - 1.5 bar.
Much appreciated, great explanation