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Old 07-16-2015, 01:03 AM   #1
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fresh water tank issues

if you have a drain on your fresh water tank with this configuration, you may want to modify for better life. first, you can see the tank support is bowed. this makes for a stressed spin weld at the drain connection for the fitting wants a flat surface to bond to. second, this tank is not the white plastic but the softer grainy grey/black plastic which makes for a less effective weld. third, the larger fittings and drain valve place more leverage on the weld when one operates the valve to drain or close. fourth, the location of the drain itself makes it difficult to operate the valve placing extra stress on the valve weld as well.
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Old 07-16-2015, 01:05 AM   #2
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heres a pic of the bowed supports.
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Old 07-16-2015, 01:10 AM   #3
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patch welded to cover hole of old drain. this is the first Ive seen of these tanks used for fresh water. usually its the white plastic. also, spin weld fittings are not used in the bottom of these tanks either. usually the tops or possibly an end where the surfaces are flat.
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Old 07-16-2015, 01:14 AM   #4
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re-enforced tank support to prevent convex shape forming on bottom of tank...to prevent breaking spin weld on tank.
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Old 07-16-2015, 01:20 AM   #5
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teflon paste used to seal fresh water hose to tank fitting. i removed all i found at entrance. this is a blob found further down tank fitting. this is not the best way to seal this fitting. i use 100% silicone to seal. it sets and imparts no odors to water.
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Old 07-16-2015, 01:25 AM   #6
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not shown: new drain placed in patch area. re-installed tank.

if i had other than the white tank, i would modify to reduce stress on the tank fitting. the tank support bars that bowed also make contact with the lp gas black pipe. im looking to modify there as well...
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Old 07-16-2015, 11:57 AM   #7
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Since I don't go under many TT's, what brand and model is this?
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Old 07-16-2015, 12:16 PM   #8
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I'm also interested in knowing what model.
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Old 07-16-2015, 01:08 PM   #9
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Quote:
Originally Posted by BooBoo23 View Post
Since I don't go under many TT's, what brand and model is this?
I've never seen a fresh water tank drain that looks like that. The only ones I've seen are those small dinky white valves that only let out a small amount of water.
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Old 07-16-2015, 03:00 PM   #10
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Drain

I had a 2004 prowler that had a fresh water drain like this,never had any problem with it.
Jim
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