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Heating device ID

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mercedes
mercedes Member Posts: 67
Location NYC brownstone building. With heat emitters in the floor. This device with the blue knob on top with two tapping on the size . Need help to ID the device and functionality . thank you


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  • bburd
    bburd Member Posts: 917
    edited February 27
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    That is an in-floor hot water convector, like a baseboard convector but set into the floor. The grille that should cover it is missing. They are usually installed in front of large expanses of glass, like sliding patio doors.

    The blue device is a balancing valve to regulate the water flow rate. The two small covered tappings on the side of this device are for differential pressure measurement, from which the flow can be calculated.



    Bburd
    mattmia2
  • mattmia2
    mattmia2 Member Posts: 9,669
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    aka a flowsetter or circuitsetter. The 2 ports have rubber plugs in them that special needles on the gauge set push through to measure the pressure on both sides to calculate the flow.
  • Big Ed_4
    Big Ed_4 Member Posts: 2,785
    edited February 27
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    What are they use for ? .... It almost looks like a scary burner :)

    There was an error rendering this rich post.

  • mercedes
    mercedes Member Posts: 67
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    Yes I thought the same thing a scary gas valve. Gentlemen thank you.
  • ch4man
    ch4man Member Posts: 296
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    save the shoe covers for clean floors... :)
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,852
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    Big Ed_4 said:

    What are they use for ? .... It almost looks like a scary burner :)

    Circuit setters are used to balance the flow on a system that has several (many) branch circuits. A gauge woild be connected to the inlet and the outlet (the caps) of the valve and as the valve was turned, the pressure differential reading would indicate the flow thru the valve. This circuit setter would eliminate the trial and error method of balancing a system.

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • mattmia2
    mattmia2 Member Posts: 9,669
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    I think the booties are more protection from what is on the subfloor.
    EdTheHeaterManold_diy_guyreggi