Reply To: FILLING HOT WATER HEAT SYSTEM TO AVOID AIR POCKETS

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4 Oct 2001 at 1:16 pm #291656
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    Regardless of how fast or slow the system is filled, air will gravitate to all the high points in the system, not just the one with the air vent. If there is more than one high point air vents have to be installed in them also, or a means of pressure purging the system has to be provided.

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