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Thread: Pentair Legend II Backup Valve - LX10 - Won't Shut Off

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    Pentair Legend II Backup Valve - LX10 - Won't Shut Off

    My Legend II is several years old. I was experiencing some problems with the backup valve earlier this summer and replaced it with this one. It worked for a little while but now it seems like it won't stop firing. Does anyone have any suggestions?
    Thanks...

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    Qwaxalot's Avatar
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    Re: Pentair Legend II Backup Valve - LX10 - Won't Shut Off

    Quote Originally Posted by roxylab
    My Legend II is several years old. I was experiencing some problems with the backup valve earlier this summer and replaced it with this one. It worked for a little while but now it seems like it won't stop firing. Does anyone have any suggestions?
    Thanks...
    Take the valve apart and look for something gumming up the works. It doesn't take much to make them stick.

    If you find something, check the screen at the wall fitting, replace it if it's damaged.
    In the industry, CSP (Certified Service Professional) by the NSPI and it's successor the APSP. My company services over 600 pools every year. I think the practices regularly espoused on this forum (especially the BBB method) are outstanding; however my comments will be often oriented towards the goal of getting it done, and getting it done right now!

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