Combining condensate drains?

Discussion in 'Boiler Forum' started by CallmeJake, Apr 6, 2021.

  1. CallmeJake

    CallmeJake New Member

    Oct 23, 2018
    Ann Arbor, Michigan
    I have two boilers in the basement, one is a combi, between them I have 6 pipes to route to the drain. 3 relief valves, 2 condensate, and the backflow. The two condensate lines currently run over to floor drain, while the others dump on the floor. I've found that the floor doesn't really slope to the drain so if any of the relief valves pops it just puddles on the floor.

    Can I have all 6 dump into one line and run that over to the drain? I think it is OK if I maintain an air gap between the outlet of each unit and the line to the drain but I am not sure.
  2. fitter30

    fitter30 Well-Known Member

    Feb 2, 2020
    Retired service tech
    Peace valley missouri
    It will be ok the way you described.
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  4. Reach4

    Reach4 Well-Known Member

    Sep 25, 2013
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