What size radiator valve is it? Do I need a plumber to fit it? Can I use more than one of these, I.e one in every room of the house?

Elgato Eve Thermo

Elgato Eve Thermo

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1 Answer from the Community

  • Answer

    This is a replacement of your existing radiator thermostat. You can mount this one just after unscrewing the existing plastic sensor from the valve body of your existing radiator's TRV. No plumber needed if you already have a TRV installed . You may use one of these in each radiator, however it is recommended you leave at least one of the radiators in your home, usually the one in the hall, without a valve.