Buderus GB142 and outdoor reset

Discussion in 'Boiler Forum' started by jhetri01, May 27, 2010.

  1. jhetri01

    jhetri01 New Member

    May 27, 2010
    Hi all,
    I'm thinking of having a GB142 installed. I looked through some online documents and noticed that the GB142 has a built in connection for an outdoor sensor. My salesman says I will need an AM10 module to do the out door reset. Can anyone clarify....if out door reset is built in, why is the AM10 needed? Thanks in advance!
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    Not sure, but mine has that controller. The ability to use an outdoor reset is built-in, but the adjustments of how and what it is supposed to do are done on the AM10.
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  4. nhmaster3015

    nhmaster3015 Master Plumber

    Jul 30, 2008
    The granite state
    The AM10 is the modulet that interfaces with the boilers aquastat. It reads temperatures and handles the algorythm. Definately worth the expense. Every boiler should have outdoor temperature reset capability. I believe that by 2012 manufacturers are required to have it on all hydronic equipment.
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