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Only one manifold

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MRC
MRC Member Posts: 20
in Radiant Heating
Here in St. Louis, Mo many of the in floor radiant systems have only one accessible manifold. That is to say I can only find one. Usually the return. Why is that? I mean, if there is one manifold doesn't there have to be two? If so, why is it buried, hidden, etc?

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  • Gordy
    Gordy Member Posts: 9,546
    Pics would be helpful. How old is the system?

    It is possible to do it that way. But it's also possible the supply manifolds is hidden somewhere. Look for wall access panel in closets.

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