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Piping and controling it right.

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Ron W.
Ron W. Member Posts: 13
in THE MAIN WALL
Hi Gents: I am bidding a boiler replacement system for a single 400,000 Btu oil boiler. Proposing two Buderus G215/5. I am going to pipe it primary/secondary with lead/lag controlling. Want to know the best controlling strategy for this application where I also have 5 zones of heat, all radiant, all steel or copper, all in concrete. Each zone has it's own circulator. I plan on piping the two boilers into the 2" main using closely spaced tees. Any other advice? Thanks alot, Meterman

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  • Tinman
    Tinman Member Posts: 2,808
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    I like the simplicity of using Taco's PC-702. You can use that with an EXP Taco relay and its all plug and play. Not sure if that's what you're after but I've used that control strategy many times with success.
    Steve Minnich
  • wogpa67
    wogpa67 Member Posts: 238
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    Although the 2107 from buderus with add ons will do what you want.
    Tekmar is the way to go IME. Better parts availability, they also make the Taco controls.

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