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Thread: Slow Leak... Where to start...?

  1. Back To Top    #1

    Join Date
    Feb 2017
    Location
    Acton, Ontario
    Posts
    8

    Slow Leak... Where to start...?

    Hello,
    My hot tub which I recently acquired and got cleaned and set up after acquiring it in a home purchase seems to be leaking.
    Upon checking the chemical levels I noticed that the filter was making a sucking air noise which is when I noticed the water level had dropped. I noticed this once before, thought perhaps it was just displacement due to us getting in and out, and topped it up. This time I am confident it's a leak as it was down a few inches from where it was at after our last use a couple nights ago.

    I inspected the visible pipes around the pump and the knife valves and I see no signs of leaks there and am not sure where to look next.

    I've attached two pictures of a plastic piece which came loose. I do not know the actual name for whatever this part is, please accept my newbie ignorance. I am not sure if this part coming loose would cause a leak as it has no rubber gasket and I am not sure it is supposed to be water tight or not. It is 1 of 4 and it came off after I refilled the tub and I figured I'd get it back on eventually. Could this be a source of my leak?

    Where else should I be looking?

    Appreciate any advice.
    Attached Images Attached Images
    Beachcomber 720 Hot Tub - Bought and Installed in 2003
    1,325 Liters / 350 Gallons
    Using City Water (Not a well)

  2. Back To Top    #2
    Swampwoman's Avatar
    Join Date
    Apr 2012
    Location
    Grand Rapids, MI
    Posts
    3,838

    Re: Slow Leak... Where to start...?

    Hot tub leaks can be tough to find. I have a very old hot tub that ive managed to keep going long past its best-by date via finding and fixing leaks

    If you remove your panels and look for damp areas you can get a clue.
    One notorious leak location on older spas is the spa light...check the back of the casing on that. If its leaking, you will need to replace the light unit.

    For inaccessible leaks in the lines behind hard insulation, Ive successfully used a product called Marlig's Stop Leak. It comes highly recommended and worked great for me.

    But in the past, I've remedied other slow leaks by following accessible lines to the pump and snugged those fittings up.

    Best wishes on your quest.
    In ground vinyl Grecian, 24k gal, Hayward 220t sand filter, VGreen VSP 165, Hayward SWG, Raypak NG 265k heater, dolphin m4.
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