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Flush Out Radiant Heat System?

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BrianLentz
BrianLentz Member Posts: 8
in Radiant Heating
We built a new pole building 2 years ago. We have radiant heat in the concrete floors. There is an Hercules Cryo-Tek antifreeze solution in the lines. How often should we be flushing out the lines? Or don’t we?

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  • hot_rod
    hot_rod Member Posts: 22,200
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    Was the system flushed well before you added the glycol? If the system is leak free and no additional fluid has been added, should be no reason to flush out that expensive fluid. You can get a test kit to check the condition of the fluid, probably from Hercules.

    Is the building left unoccupied that you need glycol?
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • BrianLentz
    BrianLentz Member Posts: 8
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    We wanted to have the ability to be able to leave in the winters. I’ll look into the test kit. Thanks. 

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