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  1. Replies
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    3,984

    Here is why you should/must be using a LLH with a...

    Here is why you should/must be using a LLH with a Vitodens 200. There is no TT on the boiler. The boiler logic utilizes a down stream/LLH sensor to maintain the proper supply side water temperature...
  2. Each is welcome to their opinion. I never said a...

    Each is welcome to their opinion. I never said a gas conversion burner could not be done. I said to understand that you void the warranty or what is remaining and to check with your homeowner...
  3. Sorry Tom but have to disagree with you on both...

    Sorry Tom but have to disagree with you on both counts. Suggest you read the warranty. Specifically (3) and (6). A Gas Conversion burner is not approved by the boiler mfg.

    Additionally, this...
  4. Down firing isn't going to help with the short...

    Down firing isn't going to help with the short cycling. I'm in a zero degree climate with 1650 sqft of heating space. R11 Walls, Double Pane windows and my heat loss is 36,000 Btu/hr. If your keeping...
  5. Thread: Hot Water

    by LamdaPro200
    Replies
    6
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    416

    If your adding an Indirect Fired Hot Water Heater...

    If your adding an Indirect Fired Hot Water Heater it would be part of the closed hydronic heating system and the existing exp tank on the boiler takes care of that. With that said you may have to add...
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    Sounds like he converted from steam to hot waters...

    Sounds like he converted from steam to hot waters with a 90% boiler not a furnace. Have you looked at the Burnham MegaSteam. It is a 3-Pass Oil Fired Steam boiler with an AFUE of 86%. You can't get a...
  7. A 60-inch Power-Pipe System, for example, can...

    A 60-inch Power-Pipe System, for example, can raise the cold water temperature from 10C (50F) to as much as 24C (75F), under equal flow conditions.
    (From www.renewability.com). So we'll use the...
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    1,750

    The Excellence has a 14 Gallon Indirect built...

    The Excellence has a 14 Gallon Indirect built into it and the boiler has an btu/ht output of 99,000 Btu/hr. Be careful with the literature. They use a 108 degree water temp in the calculation. It...
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    1,375

    A circulator pump does not pump water. It creates...

    A circulator pump does not pump water. It creates a differential. Get air bound, that differential is no longer. 1PSI will lift water 2.31ft. Typical residential heating system maybe 20' from the...
  10. Recovery is going to be dependent on your temp...

    Recovery is going to be dependent on your temp rise which is the difference between the incoming cold and the DHW set point.

    75,000/500/ (120-40) = 1.875 gpm x 60 Minutes = 112.5gph continuous...
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