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Primary / Secondary boiler piping Ultra Boiler

BC_2
BC_2 Member Posts: 14
in THE MAIN WALL
Could anyone please explain the benefits or drawbacks of using Weil-Mclain's method of primary / secondary piping as shown in the Ultra boiler manual(supplies together on one side of secondary piping, returns together on the other) verses the method that I am more familiar with of using two closely spaced tees coming off of the primary loop with one being the feed and the second being the return for each zone? Thanks

Comments

  • Tony_23
    Tony_23 Member Posts: 1,033
    Not much

    As far as I can tell. I've done it both ways. If you need to mix a zone supply temp different than other zone temps, you need to pipe it as the boiler in the primary.
  • Floyd
    Floyd Member Posts: 429
    Even water temps...

    the returns from the frist zones are not knocking down the temp. to the next zone..... the way they have it you are sure to get the same water temp. to every zone.

    Floyd
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