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Thread: Did I just ruin my brand new pump?

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    Did I just ruin my brand new pump?

    I have a 1 HP Waterford Systems swimming pool pump by Sta-Rite. I am a new, first time pool owner and I just made a huge error. I had my pump running for approx. 24+ hours with the valve shut off (therefore no water was going to the pump). It's been raining, so I've not been in the pool to notice that it wasn't moving water. As soon as I got in and nothing was coming out of the return jet, I jumped out and opened the valve. Everything works like normal, but my question is--Did I just doom my pump to an early death? My manual says it could damage the seals, causing leaking and flooding. Any thoughts would be appreciated.

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    Mod Squad Bama Rambler's Avatar
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    Re: Did I just ruin my brand new pump?

    Welcome to TFP.

    The bad news is that you could have damaged the seal. The good news is that if you don't see any water leaking out between the motor and the wet end you're probably ok.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    svenpup's Avatar
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    Re: Did I just ruin my brand new pump?

    The elaborate on what Bama said, if you do see water (even a small amount) leaking onto the motor shaft, you should replace the shaft seal immediately. This is cheap and easy to do. If you don't do it, the water will ruin the motor itself, and that means $$$.
    TFP Method Advanced Intermediate
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    Re: Did I just ruin my brand new pump?

    Thanks for the answers. My next question is this: did I even need to have that valve closed in the first place? When not running your pump, do you have to close the valve that is before the pump, or do you leave it open? (I watched my owner's video and read all my manuals and don't see the answer to this question.)

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    Mod Squad Bama Rambler's Avatar
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    Re: Did I just ruin my brand new pump?

    I never close my valves unless I'm opening the pump or filter.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    solarboy's Avatar
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    Re: Did I just ruin my brand new pump?

    I once blew up a clients sand filter by leaving the return valve closed. Expensive mistake.
    Self built 5500 gallon bare concrete (temporarily) pool with limestone coping, Pentair Swimmey 1/2 HP pump, Triton sand filter with DE, Simpool peristaltic muriatic acid pump with pH sensor and Monarch SWG. Home made solar heater with Pentair Compool control panel and 3 way valve. 1 skimmer, 1 main drain, 2 returns, 2" plumbing, Hayward auto fill valve.

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    Re: Did I just ruin my brand new pump?

    The valve is probably only there to make it easy to do pump/filter maintenance. I don't know the layout but if the valve must necessarily shut off when the pump stops you could consider inserting a check valve that closes automatically when the pump stops and then automatically opens under pressure when you restart the pump.
    Peter
    21' X 52" above ground
    1 HP Hayward Power Flow Matrix Pump
    Hayward EC40C DE Filter

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    Re: Did I just ruin my brand new pump?

    Well, looks like I got lucky. Our maintenance guy at work thinks it probably never quite went dry even with the valve off. He figures it probably lost it's prime and was left with some water in it.

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