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Boiler issues!!!

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Jory
Jory Member Posts: 1
in THE MAIN WALL
So I'm completely perplexed by my system. I have twin Veissman Vitocrossal 300 CT3 89 gas fired condensing boilers. They are not making good heat. I have no leaks on the closed loop, I'm not making up water on the loop. I have vented everything, no air. Pumps are showing 100 gpm at 42/ft head respectively. In short, I am at a loss. Could corrosion on the water tubes cause this or should I be looking somewhere else?

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  • STEVEusaPA
    STEVEusaPA Member Posts: 6,505
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    What are you doing with these 2 behemoths, heating the whole block?
    You're going to have to tell us a whole lot more about the system and include pictures.
    And who installed this?

    There was an error rendering this rich post.

    mattmia2Zman
  • Zman
    Zman Member Posts: 7,569
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    This sounds like a controls issue. That being said, unless you are a very experienced commercial boiler tech, you will want to continue with great caution. What you are looking at is a very large State of the Art boiler plant, be safe...
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein

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