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primary secondary

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DKH
DKH Member Posts: 15
in THE MAIN WALL
Where can I find some scematic drawings of primary/secondary systems using the boiler as part of the primary?Any comments on the use of the boiler as part of the primary loop will also be appreciated Thank You

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  • hr
    hr Member Posts: 6,106
    Plenty of books on the subject available at \"Books and More\"

    Many of the boiler and radiant manufactures have drawings at their websites.

    Still a good idea to know and understand the concept, not just coping a drawing. Sounds like that is what you are asking.

    One concern with the boiler in the primary loop, is cold return temperatures. Not a problem with condensing boilers, but you need to watch for this on radiant and cast or copper boilers. You may want a thermostatic mix valve in the loop or a control that would drop secondaries till the primary catches up.

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