Repairing water spout on plastic tank - Fiberglass RV


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Old 06-07-2019, 11:29 AM   #1
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Name: Dave
Trailer: Trillium
Alberta
Posts: 38
Repairing water spout on plastic tank

My overflow spout cracked on my water tank and this is one way to fix it.

Get 2 washers with holes large enough to fit over the spout.
Hold the first washer with needle nose pliers and heat with a small torch.
When it's good and hot slide it over the spout and press it against the tank so that it welds itself to the tank. Let cool.
Run a thick bead of silicone around the second washer and slide it over the spout just till the silicone starts to squeeze out.
Leave it for 24 hours if you can.
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washer.jpg   tank spout.jpg  

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Old 06-07-2019, 12:11 PM   #2
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Name: Greg
Trailer: 2008 Casita 17 SD
Washington
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I hope they were stainless steel washers, so they won't rust up later on.
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Old 06-10-2019, 05:28 PM   #3
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Name: Dave
Trailer: Trillium
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That's a good idea. I thought mine was too.
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Old 06-10-2019, 07:41 PM   #4
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Name: K C
Trailer: 1971 Trailswest Campster
Washington
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Or you can replace it with a rubber "Uniseal" fitting that is made for putting inlet and outlets into this type of tank. They come in a wide variety of diameters. This product is specifically made for customizing and/or retrofitting both old and new tanks.

https://www.usplastic.com/catalog/it...x?itemid=89951
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