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How many pumps on electric wet UFH?

Sparkingchip
e38d8cc3302cf938da52d43aa890931c-huge-20210407_132827.jpg


I am being told that wet UFH only needs one pump located on the UFH manifold and UFH circuits. 


My understanding is that it  needs two pumps, one for the boiler circuit and one for the UFH circuits as they are two distinct circuits. 


Seeing as you are all experts on circuit arrangements, tell me if the UFH manifold pump can circulate the water through the boiler without a boiler circuit pump installed?
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  • 0
    Zoomup:

    Errrmmm, what is a boiler circuit?


    Zoomy, remember when you were in college? Tutor said that electricity flowing round a circuit was like water flowing round pipes; Volts = pressure, etc.


    Well in this case, a boiler circuit is like an electrical circuit. ?


    That's the queerest boiler that I have ever seen.


    OK, more seriously ...


    The boiler circuit is a distribution circuit; the manifold is the CU; and the UFH loops are the final circuits. There are no distinct circuits in the sense that both originate in the same DB. I think that plumber has got it wrong.


Reply
  • 0
    Zoomup:

    Errrmmm, what is a boiler circuit?


    Zoomy, remember when you were in college? Tutor said that electricity flowing round a circuit was like water flowing round pipes; Volts = pressure, etc.


    Well in this case, a boiler circuit is like an electrical circuit. ?


    That's the queerest boiler that I have ever seen.


    OK, more seriously ...


    The boiler circuit is a distribution circuit; the manifold is the CU; and the UFH loops are the final circuits. There are no distinct circuits in the sense that both originate in the same DB. I think that plumber has got it wrong.


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