Quote:
Originally Posted by sealyin
Just posted this in a different thread. It is for our 2017 Cougar RBIWE. Two gray tanks and one valve
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I saw your post and the diagram in the different thread. That's a "novel approach" to eliminating the second gray tank valve. Your diagram is the first time I've seen that system. It looks like it may simplify dumping and possibly could make maintenance easier since there are fewer moving parts. I don't see a down-side so long as the two tanks are co-located. In our 27RKS, the galley tank is in the rear and the bath tank is in the front, so there's about 12-15 feet of separation between the tanks. Maintaining a drain slope would be impossible with all the drain lines above the coroplast and if they are below it, freeze damage would occur in cold weather use.
So, it's not an ideal situation for all uses, but may be the "wave of the future" for some floorplans.
Thanks for posting. Did you draw the diagram or is it from a website?