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Thread: GPM - What is necessary?

  1. #1
    CityWaterShouldNotBeRed is offline Junior Member
    Join Date
    Jun 2007

    Default GPM - What is necessary?

    I'm going through new construction and will have a 4 bathroom house when done. Currently there are two adults and one small child, but hopefully that will grow over time.

    I'm thinking of putting in an AP802 with the AP810-2 cartridge. At 45-60 gpm, this seems like it would be sufficient without any reduction in water pressure. Ideally, I'd like to use the AP815-2 cartridge, but it drops the gpm to 10. What gpm is necessary in this size of a house?

    Should I use the AP815-2 and run two in parallel? Does that even make sense or is it total overkill.

    We will also have a AP-DWS1000 at the kitchen sink. I've had one for 3 years and have been very happy.


  2. #2
    Andy CWS is offline Moderator
    Join Date
    Dec 2006
    Port Clinton, Ohio, United States


    Ideally, I would have a backwashing valve with a multi-media tank. These will provide excellent flow rate and the self-cleaning apsect will provide years of trouble-free service.

    But first, can you post your precise water conditions. We might be able to better recommend serious equipment according to your exact demands and desires.

    Andy Christensen, CWS


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