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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
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Heating and cooling: Ufh. One pump and mixing valve to run 3 manifolds?

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  1.  
    • CommentAuthorcubbs
    • CommentTimeMar 24th 2016
     
    Hi again

    Am looking to keep my higher temp water in/near to the thermal store. So I'm thinking of having an ufh pump and mixing valve in the boiler room.

    I presume I will need 2pumps?

    Will it work to then run in 22pipe to my ufh manifolds?

    How would this affect wiring?

    Are motorised 2port valves needed? Is so where?

    Thanks
  2.  
    i guess it depends on volume of water and flow rates , whats the total m2 of ufh you're supplying and how many 100m circuits
    • CommentAuthorringi
    • CommentTimeMar 26th 2016
     
    You should only need 1 pump.

    22 pipe may be a bit small depending on the flow rates you need, your UFH design should state the required flow rates. From these you can also work out the size of the pump you need.

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