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"Tony" wrote in message ... IMM Wrote: "Tony" wrote in message ...- the things above your boiler are auto air vents , make sure the caps are not screwed down tight , or the air wont get out ,- Auto air vents are for filling/commissioning purposes only. Once the system is free of air the tops are to be screwed down. Combi instructions actually state this a smost have integrated. When the auto air vent is open hydrogen from internal corrosion may escape. If there is hydrogen in the sytem it will make the tops of rads cold, and that is a sign that the system requires proper attention not just releasing it and refilling. thats all very well and good , but that isn't a combi boiler . I know that and I never said it was. I gave the e,g., of combi instructions. It is clear this boiler did not come with auto air vents. |
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