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Old 05-12-2016, 01:13 PM   #1
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Warning. Fresh water tank issue.

This ties into the topic "Basement Collapse" a bit. I just noticed a major bow under my fresh water tank on my 33RL. This trailer is brand new and has only 2 short road trips. The bow deflects the bottom plastic underbelly cover roughly 6 inches when my tank is completely full. This tank full of water weighs roughly 550 LBS with NO support except the 2 ends sitting on the lip of the frame. Mine was close to falling off the lip. What a disaster if this should happen while on the road. I installed (1 1/2 X 3/16 X 71 inches) angle across middle of tank and bolted to the frame at each end. Why the Manufacture thinks no support is required is beyond me. The Internet is full of these tanks falling out.
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Old 05-12-2016, 01:32 PM   #2
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The water tank on my little 15RB had two straps of good old plumbers tape across the mid section. It bowed down at least six inches when full. Water I could not even get to.
I ran two strips of 2"x 2" fiberglass U channel in addition to the plumbers tape. It is now nice and flat across the bottom.
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Old 05-12-2016, 02:24 PM   #3
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My 33IK has two 2" wide metal support straps between the frame cross members as well as the step molded in to the tank that rests between two frame cross members holding it in place. Since the tanks are semi-flexible and not rigid, they are meant to "bow" some when full. I'd say the Amish Craftsmen forgot to put the straps in your unit.
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Old 05-12-2016, 03:39 PM   #4
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Are those straps visible or above the plastic belly.
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Old 05-12-2016, 05:32 PM   #5
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You'd have to drop a belly panel to see them. They cradle the tank between the two crossbeams that provide the major support for the FW tank just like the black and grey forward the axles. As you've seen, the tank sits above the plastic belly panels by a few inches so the straps couldn't go under the belly panels.
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Old 05-12-2016, 10:22 PM   #6
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It is a known deficiency on almost all campers and every camper I purchase gets reinforced and new tank mounts. I used to be upset about it but it is something that I just accept as a normal part of rv ownership.

The RV industry knows that most folks don't travel with water in their tanks so they usually get away with cheap mounting systems.
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Old 05-13-2016, 04:47 PM   #7
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I just droped my 2016 23ss roo off on Tuesday at the dealer for the same problem, filled the water tank at the campground Punderson state park in Newbury Ohio, I did not think I was going to make it to the camp site let alone last the weekend
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Old 05-14-2016, 06:54 AM   #8
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Quote:
Originally Posted by MtBiker View Post
The water tank on my little 15RB had two straps of good old plumbers tape across the mid section. It bowed down at least six inches when full. Water I could not even get to.
I ran two strips of 2"x 2" fiberglass U channel in addition to the plumbers tape. It is now nice and flat across the bottom.
What do you mean Plumbers Tape ???
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Old 05-14-2016, 07:02 AM   #9
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What do you mean Plumbers Tape ???
I think he is referring to perforated strapping. I've seen it go by both strapping and tape depending upon where your from.
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Old 05-14-2016, 07:04 AM   #10
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Plumber's Tape

It is 3/4" metal straping with holes every inch or so. Plumber's use it to attach pipe to walls or basement ceilings.
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