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Registered
Join Date: Oct 2003
Location: Roseville, CA
Posts: 3,066
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Any hot tub repair guys here? Tubing to plastic glue?
I traced a small air leak in my hot tub to the air valve. Works fairly simply....the on/off valve mates to a 5 port manifold (only 3 ports used, other 2 capped off) and tubing goes from the manifold to the jets.
The valve body is PVC. The manifold body is PVC. No problem gluing those together. What I don't know is can I use the same primer/glue to seal the tubing to the manifold? I have no idea what the tubing is made of but its flexible and clear (vinyl?) so I wasn't sure what would be best to use. In the original setup, the valve to manifold had some sort of grey sealant/cement, but I can see through the original tubing at the manifold connection and it looks to be a purple color sealant that seems somewhat flexible after all these years. I'm 99% sure the air leak came from the valve and not the tubing/manifold connection so that sealant has held up very well over the past decade or so since the hot tub was new. Any idea what it could be? Or have any suggestions on what to use? The air isnt high pressure at all but the seals are important as even a tiny leak will send tons of little bubbles out the jets and it drives me crazy and lowers the efficiency. Here is a picture of the connection on the underside of the valve: 
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1992 968 Polar Silver 2010 Toyota Highlander SE 2006 Lexus LS430 ML |
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04-29-2023, 08:34 AM
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Join Date: Mar 2003
Location: Charlottesville Va
Posts: 5,796
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Permatex rtv.
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Greg Lepore 85 Targa 05 Ducati 749s (wrecked, stupidly) 2000 K1200rs (gone, due to above) 05 ST3s (unfinished business) |
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04-29-2023, 11:33 AM
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Join Date: Feb 2008
Posts: 18,825
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HoT tUb
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dolor et pavor Copyright |
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04-29-2023, 11:58 AM
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Join Date: Oct 2003
Location: Mount Pleasant, South Carolina
Posts: 14,235
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Try vinyl adhesive/glue.
I just used it to glue vinyl tubing to vinyl tubing, one inside the other. So far so good. Loctite Vinyl Fabric & Plastic... https://www.amazon.com/dp/B001F7E9VI?ref=ppx_pop_mob_ap_share |
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04-29-2023, 12:48 PM
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Join Date: Oct 2003
Location: Roseville, CA
Posts: 3,066
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Thats funny because I actually have a 968...never tried to tow my hot tub with it though
 Quote:
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1992 968 Polar Silver 2010 Toyota Highlander SE 2006 Lexus LS430 ML |
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05-03-2023, 06:28 AM
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Registered
Join Date: Oct 2003
Location: Roseville, CA
Posts: 3,066
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Thanks, I actually have some of that laying around from repairing a pool cover. I'll give it a try
Quote:
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1992 968 Polar Silver 2010 Toyota Highlander SE 2006 Lexus LS430 ML |
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05-03-2023, 06:29 AM
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Join Date: Feb 2008
Posts: 18,825
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Quote:
This picture is posted quite a bit over there. 
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dolor et pavor Copyright |
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05-03-2023, 06:38 AM
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Fastrrrrrrrr!
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It's the Canadian way!
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05-03-2023, 08:06 AM
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Grip It & Rip It
Join Date: Apr 2005
Location: SoCal
Posts: 1,225
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Dump some Chernobly on the console and you'll be fine!
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82 911SC (sold) |
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05-03-2023, 09:29 AM
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2017 BMW S1000r
