bucky
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Of course the OP can do whatever he wants to do but several easier and cheaper alternatives have been suggested.
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tommyznr
NR, WI
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nickthehunter wrote:Not a problem, you just need 2020 era Programmable Logic Controllers, with a level sensor and electric operated ball valves for each jug; and a supply of plastic tubing. "Relays" you really are dating yourself.
The OP didn't want a CPU or programming to do so I suggested how we did it before PLCs were much of a thing.
Yes, I am proud to say that I am that old.
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valhalla360
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It might help the OP told us what he's trying to accomplish that requires multiple small tanks ganged together.
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tommyznr
NR, WI
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valhalla360 wrote:It might help the OP told us what he's trying to accomplish that requires multiple small tanks ganged together.
Exactly this.
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QCMan
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Don't know about everyone else, but I am sure glad that somewhere in history the rv manufacturers decided to put fresh water tanks in all units. That enables just about all of us to avoid the highly complicated setup proposed by the OP. And to add to that, it is probably the only tank with fairly reliable sensors. If only we knew more about the Kia Sorento the OP is converting into a motor home.
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Grit dog
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QCMan wrote:Don't know about everyone else, but I am sure glad that somewhere in history the rv manufacturers decided to put fresh water tanks in all units. If only we knew more about the Kia Sorento the OP is converting into a motor home.
Me too...and lol!
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wnjj
Cornelius, Oregon
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tommyznr wrote:valhalla360 wrote:It might help the OP told us what he's trying to accomplish that requires multiple small tanks ganged together.
Exactly this.
Bottom of the second paragraph of the OP:
“This way I can just take out 1 or 2 empties and fill and replace.“
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ItsMeOK
MidWest
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Well to address some of the "comments", this is for a smaller vehicle (Class B Van) so space is at a premium. It's for being able to have a modular system that has an adjustable capacity depending on what the needs for the current trip or for what other people use needs are. Need more water for this type of trip, slide in more cans. People that don't need that much water can use the space for other stuff. I was actually thinking of collapsible containers but was trying to simplify question so the decision could change while on a trip.
It would allow using the oldest water first. Also, you could carry a can in a backpack, etc. into a restroom, etc. and fill one.
Yes, it could be done manually but was trying to avoid taking a shower and then realizing you need to flip a valve because you needed to open another tank.
The gravity idea is great but the location that I wanted, under a couch, leads to them being slid in like a bookshelf.
I just thought there might have already been an old school mechanical/simple switch solution out there without the complication of PLC, Arduino, etc.
Thanks anyway.
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time2roll
Southern California
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wildtoad wrote:Agree. Stack them, have each can feed the one below it, attach pump to the bottom tank. Each can will need an water input and output feed AND an air input valve. Air valve closed on all but the top can. Might want to use translucent cans so you can visually check water levels.
Several types of stackable water containers on Amazon. With minor alterations should do what you want. Let gravity work for you. Not even that hard. If the tube on the upper tank extends down into the lower tank about 30% it will create a vacuum in the upper tank and the water will stop. Once water level in the lower tank drops below the dip tube, air will enter the upper tank and water will be released until the level hits the dip tube and seals it from the air.
Glug, glug, glug....
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time2roll
Southern California
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If the tanks must be level then they just need to be sealed with two tubes. The tube that connects to the next must feed from the bottom. The pump will pull all the water out with the end tank admitting air and empty first. The tanks will empty in sequence.
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