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Biocide

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bob_46
bob_46 Member Posts: 813
in THE MAIN WALL
An article posted by ME suggests installing biocide in low temp hydronic systems to protect service personnel from legionnaires.

I would think this would also require a reduced pressure zone backflow preventer and certified annual inspections .

Is anybody doing this?

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  • Mark Eatherton
    Mark Eatherton Member Posts: 5,853
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    In Denver, on all commercial properties...

    the use of an RPZ on all hydronic/steam heating systems is mandatory.



    I believe the local water utility is almost caught up completely on their program of compliance.



    ME

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  • SWEI
    SWEI Member Posts: 7,356
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    RPZ and biocides

    Is there a biocide component in the basic hydronic formulas like Rhomar?



    The RPZ requirement is a perfect way to justify the cost of a PIG (and on larger systems, the cost of a fully-monitored pressure sensor.) 
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