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UFH won't go above 19 deg

Discuss UFH won't go above 19 deg at UK Plumbers Forums; Originally Posted by chris watkins Hi Tony Turning down the pump will not increase the systems performance I am afraid. If you have it up at 60 deg C flow ...
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    Default Re: UFH won't go above 19 deg

    Quote Originally Posted by chris watkins View Post
    Hi Tony
    Turning down the pump will not increase the systems performance I am afraid. If you have it up at 60 deg C flow I take it that your flooring can take the resulting floor temperatures? (normally not greater than 26 but should not be more than 29 in occupied areas)

    What is the finish ?
    and do you hold parent & baby / toddlers group sessions?

    UFH is probably not the best choice for a hall which is not used all the time.
    Can only suggest improving the insulation or is it possible to add a couple of LST rads or convector heaters which could be used just to boost the air temperature when the hall is in use. These could be feed from the existing manifolds if there are any spare ways.
    Thanks Chris,

    I'll leave the pump speed alone then. Floor is vinyl, and yes we have tots - will check the floor temperature, although no complaints about it being too hot. The hall is in constant use, so UFH a good choice probably. But it's a big Victoria stone box, so no hope of insulation. Have been thinking of adding rads though, so that's for confirming that idea.

    Stig - we have our system on 24/7, but 4 degrees lower 10pm to 6am. Any greater difference, and it takes too long to warm up in the morning. Perhaps a domestic situation would handle that better?

    Tony

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    Default Re: UFH won't go above 19 deg

    You may want to consider a warning notice regarding babies being left on the heated floor for any length of time, as I understand it young babies have difficulty in regulating their body temperatures so if their are left lying on the floor they can overheat.

    A couple of rads sound the best option off of the manifolds, use a thermostat to control each as a boost when cold.
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