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Old 17-08-2011, 05:50   #1
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Proper Support for Holding Tank Installation

Each time I GOOGLE "holding tank installation" I wind up with diagrams for waste systems' installation that include the connections for the Y-valves, vented loops, vent line and etc. What I am looking for is what is needed or recommended for a good physical / structural mounting. If I decide to invest in a new system I don't want the components to be damaged because of improper installation techniques. Any web pages or maintenance books you can recommend will be appreciated.
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Old 17-08-2011, 06:04   #2
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Re: Proper Support for Holding Tank Installation

I don't have any text to recommend, but for my own installation I confined the tank within a wood frame. Although the frame supports the tank, the greatest security comes from the use of tie down straps. I used the same straps that are sold as tie downs for boats carried on trailers and folded the ends of the of the straps fitted with grommets and bolted to strong bulkheads. I adjusted the strap length so that it was firm with the bolts loose and, when tightening the bolts, the straps were drawn tight.
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Old 17-08-2011, 06:10   #3
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Re: Proper Support for Holding Tank Installation

"... RONCO MARINE TANKS should always be stored out of direct sunlight and protected from freezing. Prior to installation, tanks should be at room temperature for a minimum of six (6) hours. The tank must be installed on a flat or contour matched surface, be clean and totally supported in all planes with 1/2" - 3/4" marine plywood or equivalent ..."

Ronco Plastics - Marine Water Tanks, RV Water Tank, Auto Detail Tanks, Water Tanks
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Old 17-08-2011, 06:31   #4
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Re: Proper Support for Holding Tank Installation

Thanks GORD
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Old 17-08-2011, 07:45   #5
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Re: Proper Support for Holding Tank Installation

I like the strap idea, CAPT. But for now, I'm not sure just where I will be mounting the tank.

Although RONCO doesn't specify anything, should I consider adding some type of cushioning between the support and the tank?
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Old 17-08-2011, 17:14   #6
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Re: Proper Support for Holding Tank Installation

If the tank is supported by a method that does not allow it to move, then cushioning would not be required and the tank should absolutely not be moving.

Here you see an area off my holding tank that appears not to be supported, but both above and below this view of my tank level monitor are the tie down straps that I referred to. There is an advantage to having some surface of the tank available for monitoring....

I use the SCAD Solo tank monitor and it has been working well for me with no intrusive device in the tank that can be "messy".
I definitely recognize that Gord May's advice suggesting the tank be supported on all surfaces is wise, but, like all choices aboard, there are compromises to consider.
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