Hi, if I have air in the system that seems unexplained-would changing to a sealed system solve this problem and how easy is it to change from open vent to sealed. The boiler is new and has air in it that is coming from somewhere , after having pipework adjustments , it still is there . Would this be the answer?
sealed system
- Thread starter Judy15
- Start date
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may need a good cleanse and inhibit
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