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Old 01-16-2016, 07:34 PM   #1
2 Rivet Member
1970 27' Overlander
Tryon , North Carolina
Join Date: Oct 2013
Posts: 60
Plumbing grey and black tank in 1970 Overlander

Hi everyone,
I am about to order tanks for my trailer. Two grey tanks and a pie shaped above floor black tank. I am having some "vision" issues when it comes to plumbing these.
My kitchen sink is streetside as will be the black tank, and the shower will be curbside, vanity will be under the rear window.
From what I have read I should place one grey tank over the rear axle then leave a section, then place the other tank in the next section aft. OK, I get that. What I don't "see" is how to plumb this.
I want the grey and the black tank to dump from one output with a valve on either side, one for grey, one for black. I have drawn several layouts and nothing makes sense to me.
Can you all give me some help here that makes sense? I know, you don't know if I have any sense, but I have some! I think I am overthinking this thing.
Thank you, thank you!

Al and SilverBelle
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