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Old 06-05-2009, 03:40 PM   #1
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Greenville , South Carolina
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Polyethylene or ABS for waste tanks?

I've searched and cannot find a consensus as to what to use. So far the differences that I've gleaned are with ABS it is easier to add your own outlets and inlets just utilizing the fittings and some ABS cement. The poly tanks can have them added also but is done with rubber grommets and fittings and seem as if they could be a source of failure. Just learning here so would love to hear some more opinion.

Thanks, Mike

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Old 06-05-2009, 05:19 PM   #2
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I bought the ABS because a person on Ebay has 36 gal for $50.ea,and since I`m redoing the whole frame cross members,it worked for me.Dave

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Old 06-05-2009, 07:47 PM   #3
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I like the ABS tanks because you can glue your fittings. Hang the tank,drill the hole, you cant miss! "RV Surplus" has a great slection.

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Old 07-21-2009, 04:27 PM   #4
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Originally Posted by easyride View Post
I bought the ABS because a person on Ebay has 36 gal for $50.ea,and since I`m redoing the whole frame cross members,it worked for me.Dave

The tanks you are referencing on EBay might work for me as well. Have you received them yet? If so how do you feel about the quality?


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Old 07-21-2009, 04:34 PM   #5
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tank material

Fiberglass tanks, we think are the best.

Nothing to heat, nothing to mold and nothing to crack, in time.

Fittings can easily be added most any where on those tanks.

Should one get damaged from an accident, they can easily be repaired, by most anyone.

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Old 07-21-2009, 05:18 PM   #6
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Most rv dealers can spin fittings onto the poly tanks and it's not to expensive $10 each at my rv dealer...


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