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Discuss Which electric heater to use with wet UFH? in the Underfloor Heating Forum area at UKPlumbersForums.co.uk.

  1. k993802

    k993802 New Member

    Hi

    ive built a 6m x 4m summerhouse at the end of my garden.
    its a block construction with insulation and timber cladding.

    I have the ufh pipework set into 65mm of screed and would like to heat the water using an electric inline heater.

    Any bright ideas on which electric inline heater is best for this?
    Also I'm struggling with how best to plumb this in as I won't have a feed and return that drives a traditional central heating system.

    i have a JG speedfit controller to use: in my home the ufh controller works brilliantly with my nest thermostat.

    thanks in advance
     
  2. leesparkykent

    leesparkykent S. Mod

  3. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    And yes you would have a feed and return circuit

    Also you would need a blending valve either in combo with a manifold or separate
     
    Last edited: Feb 23, 2017
  4. tamz

    tamz Guest

    It would have been much easier and cheaper to have done an electric underfloor but such is life.
     
  5. Chalked

    Chalked Plumber GSR

    Ive done a few remote buildings with "Eglow) electric boilers. The smallest they do for underfloor is 6kw, so will need a 10mm electric feed. This heater runs at 55 degrees and has an integral pump. I have always used a seperate manifold, with pump and mixing valve, but you could just use a manifold and connect the electric boiler to it.
    It will need a sized expansion vessel, filling loop and safety valve. Control through a programmable thermostat.
     
  6. Chalked

    Chalked Plumber GSR

    Ive done a few remote buildings with "Eglow) electric boilers. The smallest they do for underfloor is 6kw, so will need a 10mm electric feed. This heater runs at 55 degrees and has an integral pump. I have always used a seperate manifold, with pump and mixing valve, but you could just use a manifold and connect the electric boiler to it.
    It will need a sized expansion vessel, filling loop and safety valve. Control through a programmable thermostat.
     
  7. DougFIDHEE

    DougFIDHEE New Member

    Use an Amptec electric in line UFH model, they are soft start and modulate from 12 kw, down through 9 then 6 and finally 3kw--cost about £550
     
  8. Worcester

    Worcester Plumber

    Would have been even better (and cheaper) to have put a small air-air heat pump in.
    rapid response, 1/4 of the running costs of electric boiler... Would even have cooled it in the summer :)
     
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