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Thread: Amerilite Pentair light not working

  1. #1
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    Amerilite Pentair light not working

    I went away for a week and came home to find the quick change plastic lens cover sitting at the bottom of the pool. It was cracked down the middle (it was rather old and my guess is the pool cleaner had something to do with finishing it off).

    Anyway, I went to turn on the underwater light and it was out. It looks like the fixture is about 1/4 filled with water. I've had the pool a little over a year and never had a problem with the light.

    I want to change the bulb. Is there supposed to be water behind the glass lens? If not, and the water is what caused the bulb to blow out, what do you suppose caused water to leak in? As I said, it worked great since I've owned the pool. Will it work if I just set the fixture on the deck and let it dry out, or do I need a whole new unit?
    13,500 Gallon Plaster IGP
    Hot Tub w/Waterfall
    Aqua Rite SWCG
    A.O. Smith 1.5HP Motor
    Hayward Sand Filter
    Polaris 280 with Hayward 3/4HP Booster Pump

  2. #2
    Senior Member In the Industry

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    396

    Re: Amerilite Pentair light not working

    If the fixture is not corroded, you may be able to get away with changing the bulb and the gasket. Something made it leak. And, no, there's not supposed to be water behind the lens.

    When you have the fixture out of the pool, you can test it with a regular light bulb. If it works, you'll probably be OK. Do pay attention to the gasket.
    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!

  3. #3
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    Re: Amerilite Pentair light not working

    Thanks! I'm going to try a regular light bulb today.
    13,500 Gallon Plaster IGP
    Hot Tub w/Waterfall
    Aqua Rite SWCG
    A.O. Smith 1.5HP Motor
    Hayward Sand Filter
    Polaris 280 with Hayward 3/4HP Booster Pump

  4. #4
    Senior Member In the Industry

    Join Date
    Jun 2012
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    396

    Re: Amerilite Pentair light not working

    Quote Originally Posted by Kevink
    Thanks! I'm going to try a regular light bulb today.
    I do hope you realize that using the regular bulb is just to verify the fixture and wiring. You can't use a regular bulb with the fixture closed, it will almost immediately overheat. You have to use a bulb rated for this application!
    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!

  5. #5
    Senior Member
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    642

    Re: Amerilite Pentair light not working

    Anytime you open a pool fixture you should replace the gasket with a new one. Never, never reuse a gasket, it's just asking for leaks.
    chiefwej
    Tucson, AZ
    19k gallon Pebble Tec pool/spa, 2 hp Super II pump (x2), Aqua Rite T-15 SWG, Pro Grid 60 DE filter, Hayward H400 & Solar heating

  6. #6
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    Jun 2011
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    Re: Amerilite Pentair light not working

    I opened up the light fixture and it was definitely 1/4 of the way filled. Not a lot of water, but the socket was definitely wet. I'm thinking that I might have had a slow leak for awhile and was not able to notice it with the blue plastic cover. I don't swim a lot at night so it could have been sitting wet for several weeks. The gasket was all slimy and looked like it had some calcium deposits on it. Everything else looked fine, so my guess is that the leak started somewhere around the gasket.

    Anyway, I cleaned out the socket and let it dry in the sun for a couple of hours. I tried a regular bulb and it lit right up. Went to the pool store and purchased a new bulb, gasket and plastic cover. Re-installed the light and everything appears to be working fine. No leaks and hopefully it will stay that way.

    I never did this before, so thanks to everyone for your comments. It was a success!
    13,500 Gallon Plaster IGP
    Hot Tub w/Waterfall
    Aqua Rite SWCG
    A.O. Smith 1.5HP Motor
    Hayward Sand Filter
    Polaris 280 with Hayward 3/4HP Booster Pump

  7. #7
    Senior Member In the Industry

    Join Date
    Jun 2012
    Posts
    396

    Re: Amerilite Pentair light not working

    Quote Originally Posted by Kevink
    I opened up the light fixture and it was definitely 1/4 of the way filled. Not a lot of water, but the socket was definitely wet. I'm thinking that I might have had a slow leak for awhile and was not able to notice it with the blue plastic cover. I don't swim a lot at night so it could have been sitting wet for several weeks. The gasket was all slimy and looked like it had some calcium deposits on it. Everything else looked fine, so my guess is that the leak started somewhere around the gasket.

    Anyway, I cleaned out the socket and let it dry in the sun for a couple of hours. I tried a regular bulb and it lit right up. Went to the pool store and purchased a new bulb, gasket and plastic cover. Re-installed the light and everything appears to be working fine. No leaks and hopefully it will stay that way.

    I never did this before, so thanks to everyone for your comments. It was a success!
    First time for everything, ears still ring
    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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