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Type of water to use

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RWALD
RWALD Member Posts: 21
in THE MAIN WALL
I run triangle tube boilers is it ok to use RO water in the system? I have floor heat and fin pipe.

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  • Jamie Hall
    Jamie Hall Member Posts: 23,284
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    Yes -- but you will want some sort of corrosion inhibitor and pH buffer in the system. RO is pretty "hungry" (but not as aggressive as DI)
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • RWALD
    RWALD Member Posts: 21
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    Ive had multiple heat exchangers start leaking in the units. They are 399 btu Natural gas units. I run fernox in the system. System's been goin on 3 years now
  • nicholas bonham-carter
    nicholas bonham-carter Member Posts: 8,576
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    Does the floor tubing have an Oxygen barrier?—NBC
  • RWALD
    RWALD Member Posts: 21
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    Yes it is Oxygen Barrier pex a
  • Solid_Fuel_Man
    Solid_Fuel_Man Member Posts: 2,646
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    May be time to send a water sample to a lab and see what is the best direction to go as far as treatment/adding chemicals.
    Serving Northern Maine HVAC & Controls. I burn wood, it smells good!
  • hot_rod
    hot_rod Member Posts: 22,139
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    RWALD said:

    Ive had multiple heat exchangers start leaking in the units. They are 399 btu Natural gas units. I run fernox in the system. System's been goin on 3 years now

    There was a batch of short life heat exchangers on the market a few years back, weld issues. Contact the rep to see if yours are in the date code range.

    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
    kcopp

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