New underfloor system running off of current central heating circuit?

Discussion in 'Plumbers' Talk' started by IanBa, Mar 5, 2019.

  1. IanBa

    IanBa New Member

    I'm having a new summer room extension (think conservatory with solid apex roof) and am looking at having underfloor heating. The boiler is in the loft on the other side of the house so one of the builders spoke about extending the existing central heating system to run into the extension and feed the underfloor heating. Is this a legitimate way of running pipes to the UFH? I was under the impression that they had to have their own feed directly from the (combi) boiler.
    I appreciate that the UFH won't have it's own controls and so will only be on when the central heating is on. Builder mentioned that connectors inside manifold have valves that can adjust the flow and, thus, the temperature in the room.
     
  2. just pumps

    just pumps Screwfix Select

    No! Do not let him do this. Totally different set of heat values.
     
  3. Peterdevon

    Peterdevon Active Member

    You need to split the rads on to their own motorised valve with controls and the same for the UF
     

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