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  1. That is a good idea. I will go contemplate my...

    That is a good idea. I will go contemplate my system. I need to open it up anyway to replace some parts (the damn antifreeze again) and add a couple of controls to better allow me to isolate parts of...
  2. Physically adding chemicals for a hydronic system

    I need to add a bunch of antifreeze to my system (around 25gal). What do you guys use to add stuff to a system? Without getting a lot of air in there.

    Clearly I need to release water as I add the...
  3. Personally I would not do what you are trying....

    Personally I would not do what you are trying. For a whole bunch of reasons. There is nothing wrong with the basic concept - wood heat for radiant system. The devil is in the details.

    You really...
  4. Another way to think about it is that for the...

    Another way to think about it is that for the same amount of heat transferred, the flow rate of the working fluid is higher. So the boiler does not have to change its' operation. Only the circulating...
  5. I realize this is old, but I wanted to reply to...

    I realize this is old, but I wanted to reply to the last couple of comments.

    Re: initial antifreeze - it was a product specified by WM. There was some faulty production of the antifreeze. It ate...
  6. Thanks. That is on my list for this summer. My...

    Thanks. That is on my list for this summer. My heating guy suggested it.

    Actually the stuff in hydronic systems should be (and mine is) propylene glycol. It is not toxic. It is actually used as...
  7. Thanks, I know that now. The Aluminum core...

    Thanks, I know that now. The Aluminum core appears to be OK in these boilers beginning with the series 3. And Al was the only choice in the WM. I was leery of Al at the time, but was convinced they...
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    I am not having any success at finding a constant...

    I am not having any success at finding a constant pressure capable pump at these low head and flow requirements. Grundfos Alpha does not appear to match, and they have odd control parameters. Not...
  9. My county dump only takes auto antifreeze and...

    My county dump only takes auto antifreeze and only 5 gallons/month. Not useful. A commercial processor will take it. $190/drum and I don't get my drums back.
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    Actually, I was the original designer. The...

    Actually, I was the original designer.

    The boiler modulates up to about 80KBTU/hr. I don't remember the low limit at the moment. It is this large for several reasons. One factor was that is the...
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    Thanks. I understand the process, but all the...

    Thanks. I understand the process, but all the contractor calculations have been thrown away and I lost the application and the dataset I used when I did my own calculations when my computer crashed a...
  12. I am still working that. Unfortunately I have no...

    I am still working that. Unfortunately I have no way to transport the barrels. But that also must be resolved.
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    Estimate of head and flow feels wrong

    I am in the midst of draining and refilling my hydronic system. That discussion is in another thread here.

    Initially, my system design was for a variable speed circulator pump that held constant...
  14. While poking about the WM web site I found a...

    While poking about the WM web site I found a document that said a batch of Hercules antifreeze was recalled. It ate things. I had the pH checked when the core was replaced. It is way over 8.5 (yes,...
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    Hints to others. If you have to go through this...

    Hints to others. If you have to go through this process you can help save your installer some time and annoyance if they are not familiar with the process on this unit. None of this would be...
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    Contractor showed up, installed new boiler into...

    Contractor showed up, installed new boiler into the cabinet I had prepped. Powered up, tested, working its' little heart out to bring all the mass up to temperature. 15 days fail to working. Not...
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    Thank you Badger. I have truly known and been...

    Thank you Badger. I have truly known and been aware of everything you have said. And has been fully in my mind while trying to get in touch with the original contractor or finding another through all...
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    Need help Wiel-McLAin Ultra 80 series 2

    We have been without heat and hot water for 2 weeks. Temps are going to low 20s to upper teens starting last night. It is going to do that for most of the week. I finally got a repair kit for the...
  19. OK, thanks. I knew about the Ph, wondered about...

    OK, thanks. I knew about the Ph, wondered about other various components in the form of dissolved or suspended solids. Suspended I can discount because there is a filter in front of my water system...
  20. I would still like to find a list of criteria. My...

    I would still like to find a list of criteria. My well is not necessarily typical. It is into 250' of essentially solid rock. Fractures after hydrofracting linking natural fractures are the water...
  21. AS I said, I considered that during initial...

    AS I said, I considered that during initial design. I did not feel the extra effort and complexity was justifiable. Having lived with it for some years, I am going to rethink that. One factor is the...
  22. Because several loops are outside. A split system...

    Because several loops are outside. A split system seemed excessive at the time.
  23. I finally believe I have repair parts on order....

    I finally believe I have repair parts on order. Days spent waiting for returns on phone calls and emails. No real sense of urgency. I believe I will have parts late Wednesday. Original contractor...
  24. Thank you Terry. I appreciate the title change....

    Thank you Terry. I appreciate the title change. As soon as I pressed the button I realized my title sucked but edit won't change it.

    I have one new heater in the room with all glass and tropical...
  25. Current status. WM rep says they will cover the...

    Current status. WM rep says they will cover the heat exchanger. Will not cover the antifreeze ( I seem to remember it took about 25 gallons). I am trying to get the heat exchanger kit. Words like 2...
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