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Thread: Using single speed pump to drain to waste

  1. Back To Top    #1
    pinguy's Avatar
    Join Date
    May 2015

    Using single speed pump to drain to waste

    I have a dedicated single speed pump for a waterfall, 1.5hp 3400RPM.

    My filter valve has no drain to waste option, so I need to drain from a standard hose valve attached to either pump.

    I turned off the valve for the waterfall and hooked the hose up, but there was not a lot of pressure coming from the hose, but a TON of pressure coming out of the return.

    If I shut off both the waterfall and the return, will there be too much pressure to the point of risking damage since the only outlet is a small garden hose?
    28k IG gunnite/diamond brite pool built May 2015, K2006 test kit w/ SpeedStir & Salt
    AquaCal Autopilot Digital Salt Chlorine Generator
    Pentair STA-RITE DE Filter
    Pentair Intellipro VS main pump/ MAX-E-PRO waterfall pump
    Pentair UltraTemp Heat Pump

  2. Back To Top    #2
    Mod Squad JVTrain's Avatar
    Join Date
    Feb 2014
    Central Minnesota

    Re: Using single speed pump to drain to waste

    I'm not sure what kind of valve you have to control flow to the return(s) but if you can slightly close the valve to reduce flow, maybe you can get more flow from the hose.
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
    Isolated Spa - 345 Gallons

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