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Can existing hydronic baseboard placed under the floor?

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adrori
adrori Member Posts: 1
in THE MAIN WALL
I am remodeling the kitchen and the existing hydronic baseboard can not be in the wall or under cabinet where they are now, can i place them under the floor? 

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  • Ironman
    Ironman Member Posts: 7,376
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    Sure, but don’t expect it to heat sufficiently.
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.
    EdTheHeaterManmattmia2STEVEusaPA
  • Paul Pollets
    Paul Pollets Member Posts: 3,656
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    The answer would be no. The baseboard is designed to be installed above the floor, where there is a convective current that flows through the enclosure. Under floor applications are usually done with pex piping and aluminum transfer plates.
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,852
    edited April 2022
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    I have run across this many times. Two options both involving the under counter kick space heater.

    One is you just cut it in series with the existing loop, but this cuts down on the total amount of baseboard you can have on the loop, since 1/2" ( the size of most kick space units) can not carry as much heat (15,000 v. 40,000). The other is to make a home run with PEX back to the boiler room. You can usually find some easy electrical source in a kitchen behind a cabinet somewhere.

    https://www.beacon-morris.com/twin-flo-kickspace-heater



    Never Use The Parts Cannon.jpg

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

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