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Thread: Many 90 degree fittings

  1. Back To Top    #1

    Join Date
    May 2009
    San Carlos, Sonora, Mexico

    Many 90 degree fittings

    Our main plumbing line which goes thru the pump, filter, heat pump, and SWG has 16 90 degree fittings within the equipment room. All of the 2 inch pipes also enter or return right next to each other. I would like to at least switch to two 45 degree fittings for each 90 degree and also reduce the number of fittings. If I supplied diagrams and photos is there someone I could hire to do an efficient design? The closest person with any pool talent is over 300 miles away. Also, since some lines do not have shut off where they need to be cut and rerouted does this mean that the pool would have to be totally drained to accomplish this project?
    14,000 gallon in ground plaster pool with Hidrazzo goulstrem blue finish with infinity edge and spillover from spa, Pentair challenger 1 1/2 HP filter pump, 2 HP Pentair challenger spa jet pump, Hayward 30" sand filter, Pentair IC40 SWG, Raypack 5100 heat pump, Jandy Aqualink PS8 controls, Kreepy Krauly

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    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: Many 90 degree fittings

    2 45s are about the same head loss as a single 90 so you really won't gain much with that.

    Also, as long as the equipment pad is above the water line, then you won't need to drain the pool.
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

  3. Back To Top    #3

    Join Date
    Dec 2007
    Central New York

    Re: Many 90 degree fittings

    16 90 deg fittings, wow.

    Not knowing what your system looks like it's hard to advise someone.

    If you have these

    can you replace some of them with these? They are called 90 deg sweeps.

    Pictures are from

    20 X 40 foot vinyl Borates and Salt Pool
    Rolachem Chlorine Feeder
    Hayward 27 inch sand filter with 80 lbs of pea gravel
    Jacuzzi Splash Pak SP55 DE filter in parallel
    Pentair VF3050 pump

  4. Back To Top    #4

    Re: Many 90 degree fittings

    Either someone was having a sale on 90's or the plumber was getting paid by the piece

    Each 90 equals about 10' of pipe, so less is better in this case. 90's cause turbulence in the outer radius, and if you have them too close to the pump they can also cause cavitation at the pump. How does the pump sound?

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