steel_j Posted October 6, 2021 Report Share Posted October 6, 2021 Here is a picture of the bottom of my Trevi SPA. I was wondering what is this small hole between the jets. I have a big leak and the water stops under that hole. Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted October 6, 2021 Report Share Posted October 6, 2021 It is a flow jet that is likely hooked up to your ozone and or heat line. I would be looking hard at those pin light bezels for leaks. You will need to get to the backside of that jet if that is where it is leaking. There is a nut on the backside of the jet that can be backed off enough to be able to push the jet forward a bit so you can clean up any old silicone or seal material on both the bather side as well as the inside of the cabinet. Then slather marine grade silicone on both sides and re tighten the nut to compress the silicone. Tighten but Do not over tighten. Quote Link to comment Share on other sites More sharing options...
steel_j Posted October 6, 2021 Author Report Share Posted October 6, 2021 I thought about the led lights but my water always stop leaking right under that little jet and no other jets are on the same level. So unless I have multiple leaks He is my main suspect. I will follow your advice with 3M marine adhesive. Many thanks. Quote Link to comment Share on other sites More sharing options...
Cusser Posted October 6, 2021 Report Share Posted October 6, 2021 You could temporarily try a rubber stopper in that hole, and then see what happens. Ace Hardware sells individual stoppers of various sizes, in the small drawers, inexpensive. Quote Link to comment Share on other sites More sharing options...
steel_j Posted October 6, 2021 Author Report Share Posted October 6, 2021 Thank you I will test your suggestion. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted October 7, 2021 Report Share Posted October 7, 2021 A plug won't work, and I'm betting sealant won't either. Those jets have a very thin flange and are known for cracking just inside the hole. Easy to replace if you can get to it from the other side. 2 Quote Link to comment Share on other sites More sharing options...
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