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Plumbing a manifold off a 2 pipe forced hot water system

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Can anyone post a schematic of a hot water heater boiler with a manifold piped off the supply and returns for 3 zones? I plan on adding in radiant heat for my kitchen and bathrooms separately using 1/2” 

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  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 8,128
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    Many of us can. The question is Will We?

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 8,128
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    Do you currently have a single zone connected to your boiler?

    What radiators are you using: Cast iron, Copper/Alum fin Baseboard, Convector?

    What radiant heat are you adding: Staple up under the floor, Gyp-crete thin pour on the floor, other?

    is this the type of "manifold" diagram you are interested in?

    From the presentation I used for teaching Hydronics.




    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • hot_rod
    hot_rod Member Posts: 22,271
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    Flo-control on the suction side of the circ? B&G typically shows them down stream? I like you lower temperature placement better.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 8,128
    edited November 2020
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    hot_rod said:

    Flo-control on the suction side of the circ? B&G typically shows them down stream? I like you lower temperature placement better.

    Take that up with Dan. He wrote the book I stole it from.

    but don't be too hard on him, he's still learning

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?