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air in hot water system

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Hello, and for a perimeter baseboard system feeding a 5 story 65,000 sq. ft. building, 180 degree watyer having two pumps stage one and stage two,using twin compresrrion tanks (no diaphrams) with B&G tank fittings , but NO AIR SEPARATOR, and with stg2 pump down for a seal, I am getting air on the top floor of the closest riser to the di3" discharge of the pump station...DAILY !. cAN i USE CIRCUIT , OR BRANCH AIR SEPARATORS FOR THE VRIOUS RISERS OR MUST I USE A CONVENTIONAL MASTER SINGULAR AIR SEPARATOR, AND HOW COME THERE'S MORE AIR WITH ONLY ONE PUMP RUNNING?

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  • eddie grierson_3
    eddie grierson_3 Member Posts: 51
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    Air Seperator

    I saw a new product from spirotherm for the top of heating circuits. I'm not sure about a part number. I like there products. You would be better off with master seperator. Maybe your pump seal is leaking and pulling in air. GOOD LUCK

    Eddie G.
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