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  1. #1
    Join Date
    Nov 2012
    Posts
    7

    Lochinvar Knight retro fit

    An apartment building in flint mi change-out and re-pipe. 2 Lochinvar Knight boilers. we didnt install the waterheater with the crooked recirc. line. completed by myself and an apprentice. questions and comments welcomed
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  2. #2
    Join Date
    Sep 2011
    Location
    nort jersey
    Posts
    19
    looks great
    what are the maintenance needs of these high efficiency machines

  3. #3
    Join Date
    Nov 2012
    Posts
    7
    As far as My end goes annual CSD-1 and backflow testing and Cleaning of each boilers heat exchanger. Building maintenance must visually inspect once a month

  4. #4
    Join Date
    Jan 2011
    Posts
    626
    Those 4" flues are fun. Did some on a triangle tube boiler.

  5. #5
    Join Date
    Nov 2012
    Posts
    7
    Yeah the best part of the venting was dropping 35' of 4' sch 40 down the existing chimney 4 times to direct vent each unit. There was no place to sidewall vent.

  6. #6
    Join Date
    Jan 2011
    Posts
    626
    Glad im not the only one that has used the existing chimney to run vent pipes out!

  7. #7
    Join Date
    Dec 2008
    Location
    Ontario Canada
    Posts
    552
    Looks really nice

    Are those redundant pumps? Or are they both used together?

  8. #8
    looks good

  9. #9
    Join Date
    Nov 2012
    Posts
    7
    Yes one pump is for redundancy.

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