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Thread: Spa Level Still Dropping After Replacing All Check Valves

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    Spa Level Still Dropping After Replacing All Check Valves

    Ok, I'm absolutely stumped. My spa level keeps dropping when the system is off. I've replaced both check valves (one on spa water feature and one on in floor cleaner). There does not appear to be a visible leak on any of the other valves. Do I need to replace or check any of the neverlube valves? If so, what would I be looking for to know what needs to be replaced.
    Regards,

    Ron
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    20K gal, 16x32 IG vinyl, 3/4 HP pump/DE Filter, Solar heat (6-4x10 solar panels)

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    Mod Squad Bama Rambler's Avatar
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    Re: Spa Level Still Dropping After Replacing All Check Valve

    Start by posting some pictures of the pad.

    Depending on how it's plumbed you may have a Jandy valve leaking by.
    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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    Re: Spa Level Still Dropping After Replacing All Check Valve

    See attached
    Attached Images Attached Images
    Regards,

    Ron
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    20K gal, 16x32 IG vinyl, 3/4 HP pump/DE Filter, Solar heat (6-4x10 solar panels)

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    Mod Squad Bama Rambler's Avatar
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    Re: Spa Level Still Dropping After Replacing All Check Valve

    Looking at the pictures it appears that you have a separate water feature on one pump and the pool/spa on the other.

    If that's the case then either the suction or discharge valve could be leaking, but the suction valve would be more likely since the discharge should be where the check valve is. Also I don't see any check valves in the plumbing anywhere.
    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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    Re: Spa Level Still Dropping After Replacing All Check Valve

    There is check valve on fifth return in lower picture. It is right after the neverlube valve and right next to gravel. The second pump acts as the booster for spa jets and in floor cleaning system.

    In the top picture, the far right pipes are suction from spa to spa jets. Next to that is suction from pool to in floor cleaning system which has a second check valve closer to pool. Next to that is suction from spa for filter operations. Next to that is suction from pool (three pipes).

    In the bottom picture, the far left pipe is spa return. Next to that are 3 pool returns and 1 spa water feature return (which has a check valve).

    So, do I need to look at replacing the neverlub in 4 places (booster pump, main filter pump, filter discharge and booster discharge). Are there ways to trouble shoot which one and what has failed?
    Regards,

    Ron
    Video | Music | Pixtures

    20K gal, 16x32 IG vinyl, 3/4 HP pump/DE Filter, Solar heat (6-4x10 solar panels)

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    Re: Spa Level Still Dropping After Replacing All Check Valve

    For instance, can I put a pool dye in spa and determine which filter basket picks it up over night?
    Regards,

    Ron
    Video | Music | Pixtures

    20K gal, 16x32 IG vinyl, 3/4 HP pump/DE Filter, Solar heat (6-4x10 solar panels)

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    Mod Squad Bama Rambler's Avatar
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    Re: Spa Level Still Dropping After Replacing All Check Valve

    You can rebuild those valves. I'd start with the spa return.

    You might be able to dye check them like you said. It's at least worth a try.
    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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    Mod Squad jblizzle's Avatar
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    Re: Spa Level Still Dropping After Replacing All Check Valve

    Fyi, If you are the original owner of the pool, you maybe be able to get the rebuild parts under warranty.

    Posted from my Droid with Tapatalk ... sorry if my response is short
    Jason, TFP Moderator
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    Re: Spa Level Still Dropping After Replacing All Check Valve

    Well, I replaced the spa return which helped dramatically. Now the spa only lowers about 2 inches over night versus 8-10. Should I just keep replacing the other neverlube a until it stops lowering at all?
    Regards,

    Ron
    Video | Music | Pixtures

    20K gal, 16x32 IG vinyl, 3/4 HP pump/DE Filter, Solar heat (6-4x10 solar panels)

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    Mod Squad Bama Rambler's Avatar
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    Re: Spa Level Still Dropping After Replacing All Check Valve

    You can replace them but I'd just take the tops off and rebuild them if they need it.
    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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    Re: Spa Level Still Dropping After Replacing All Check Valve

    Oh, I just pulled the guys out of one that isn't used at all and swapped it with the guts of the other valve.
    Regards,

    Ron
    Video | Music | Pixtures

    20K gal, 16x32 IG vinyl, 3/4 HP pump/DE Filter, Solar heat (6-4x10 solar panels)

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    Mod Squad Bama Rambler's Avatar
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    Re: Spa Level Still Dropping After Replacing All Check Valve

    That should help at least diagnose the problem child.
    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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