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outdoor reset

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Mike T., Swampeast MO
Mike T., Swampeast MO Member Posts: 6,928
in THE MAIN WALL
Can you describe your system? What sort of heat emitters? Approximate age? Has it been substantially changed over its lifetime?

What fuel? What boiler?

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  • DennisK
    DennisK Member Posts: 21
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    outdoor reset

    Have a Burnham gas fired HW boiler newly installed. Any suggestions re:outdoor reset. My plumber says that Taco makes one that's alot less expensive than the Teckmar. What's the difference. Also, I read about systems that continue the circulator pumps after the boiler shuts down so as to take advantage of residual heat. Is this cost effective and advisable?

    Dave
  • DennisK
    DennisK Member Posts: 21
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    Gas fired new Burnham boiler with a mixture of cast iron radiators and baseboard.
  • Mike T., Swampeast MO
    Mike T., Swampeast MO Member Posts: 6,928
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    That's a difficult mix when it comes to reset because they will have significantly different reset curve requirements. It's also quite likely that the iron radiators need a MUCH lower temperature if supplied constantly with heat.

    A simple mechanical reset controller [may] prove adequate and give modest gains in efficiency and comfort. Otherwise (if efficiency is the goal) Tekmar makes some amazing control systems that provided proper installation in a properly piped system and with proper adjustment (whew!) will do their best to maximize efficiency even with mis-matched emitters.
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