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Old 10-10-2019, 03:16 PM   #1
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Spin Welding

Iím about to get tanks. I got a little sticker shock on the spin weld tools.

The grey and black tanks are ABS. Canít I just use ABS glue?

Any thoughts on what to do are much appreciated.
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Old 10-10-2019, 04:04 PM   #2
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I'd guess you would be OK with ABS glue. I've repaired cracked ABS dash boards with ABS glue backed up with fiberglass window screen and it works fine. Try a little experiment: glue a little scrap ABS to your tank using ABS glue (leave a bit extended past the tank edge) let it cure and then use the little ABS flap to support the weight of the tank. If this treatment doesn't pull the scrap off the tank in 3 or 4 days you'll be good to go. As to spin welding, I've done it on the translucent waxy surfaced tanks and had good luck spinning the weld with a router. It makes sense to me that the same procedure would work for ABS.
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Old 10-13-2019, 12:32 PM   #3
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ABS glue would be correct for ABS tank and DWV plumbing. If you have an ABS tank and PvC plumbing you need a specific glue for ABS to PVC.

The tank pictured above is HDPE (polyethylene). There is no glue that will stick to it. Spinweld is the way to go.

I will be buying the tool when I get ready. I called the "local" RV shop and they wanted $125 to install two fittings. Chuck that. I can get the tool for $100.
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Old 10-13-2019, 05:47 PM   #4
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I am assuming that you need to install plumbing fittings in your tanks moons ago I used glue and after about three years the joint cracked and leaked blacktank contents down parkway replaced tank and installed grommets sold moterhome 7 yrs later no leaks put 3 tanks in new bus used grommets in all no leaks. Gene
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Old 10-16-2019, 03:08 PM   #5
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I’m working with Custom Roto-Molding through Tank-Mart. I was told $10 to weld each fitting. I’ll update this when I get numbers.
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Old 10-17-2019, 11:51 AM   #6
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Quote:
Originally Posted by Danjo View Post
Iím working with Custom Roto-Molding through Tank-Mart. I was told $10 to weld each fitting. Iíll update this when I get numbers.
How was their pricing for the tanks?

Shipping?
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Old 10-17-2019, 03:00 PM   #7
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How was their pricing for the tanks?

Shipping?
The price of tanks seems fair, but if you get lots of customization itís gonna cost. For instance, $200 for a 35 gallon tank. Then $10 per spin weld fitting. So For my black tank Iím getting 4 sensors, a jet cleanout, a vent and threaded toilet flange hole. $270 +$60 to ship.

I was going to get ABS Icon tanks, shipped free through camperID, but in the tight spaces Iím putting tanks, the rotomolded tanks were offering more capacity for the space I have.

I want to say that tank-mart.com and Custom Roto-Molding Inc. have been great to work with.
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Old 10-17-2019, 03:15 PM   #8
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Ouch.......

I called Tank Mart.........

Their stock 100 gallon tank is twice the price of the tanks from Recpro. Recpro also has free shipping.
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Old 10-17-2019, 05:45 PM   #9
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Recpro’s black tanks are the same price. I’m going to take the hit on shipping. I’m using a shoehorn and a saw ,to fit them and getting the biggest that will fit, so I’m doing it. Seems like I’m doing a lot of that. I guess that’s an unforeseen consequence of being on a short bus.
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Old 10-17-2019, 06:13 PM   #10
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Quote:
Originally Posted by Danjo View Post
Recproís black tanks are the same price. Iím going to take the hit on shipping. Iím using a shoehorn and a saw ,to fit them and getting the biggest that will fit, so Iím doing it. Seems like Iím doing a lot of that. I guess thatís an unforeseen consequence of being on a short bus.
The Recpro tanks I have been looking at are 100 gallon tanks that are two for $509 shipping included .

I understand the space issues. My first bus had baggage bays that were 12' x 8' by 3.5'

I had plenty of room for tankage, electrical and plumbing in the bays with lots of storage space left.

I am definitely having to work harder to find space than I did on my Eagle.
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Old 10-17-2019, 06:45 PM   #11
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The addition of a shower changed the whole water use and supply dynamic. Iím definitely going to be working on an ultra low flow shower head option. Garden sprayer.
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