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Low temperature aquastat

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Simply Rad
Simply Rad Member Posts: 184
in THE MAIN WALL
I am looing for a low temperature aquastat(down to 30F) than open on temperature fall.  I Know Johnson controls has a digital model but I need a plan old mechanical style.  I am trying to protect the source side of a snowmelt heatexchanger from freezing



Thanks for your help



Jeffrey. 
Jeffrey Campbell

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  • meplumber
    meplumber Member Posts: 678
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    Try

    Honeywell T675A1045. I use them for snowmelt, outdoor reset pump control on simple systems and on refrigeration/chiller applications.
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