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taco flow control valve

bob young
bob young Member Posts: 2,177
in THE MAIN WALL
a fairly new 3/4 " flow control after a taco 007 pump on a overhead hot water loop off a steam system. what would cause it to chatter ? could it be defective. they usually last forever.

Comments

  • [Deleted User]
    [Deleted User] Posts: 0
    do you mean

    a check valve? If it is a check valve could be a couple of reasons it chattering. We usually install spring checks and never have a problem. Is the pump you are running oversized?

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  • bob young
    bob young Member Posts: 2,177
    3/4\" IPS Universal (CI) Taco Flo-Chek


    a conventional flow- control valve. for a small auxilary baseboard loop off a steam boiler
  • Unknown
    Unknown
    Is there a bypass ?

    I had the same problem a few weeks ago . With no working bypass , the water was flashing to steam in the 3/4 pipes . You could hear it sluicing at first , then the chattering of the Taco CI flowvalve .
  • Robert O'Connor_12
    Robert O'Connor_12 Member Posts: 728
    Flow control

    Few questions..

    Is there a by-pass on the savenger loop?
    Is there an aquastat controlling temp?
    Is there any air in the system?
    Is the system clean?

    My knee jerk response would say that there is air in the loop and the water is just too hot.


    Robert O'Connor/NJ
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