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07-16-2015, 01:03 AM
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#1
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Senior Member
Join Date: Feb 2015
Posts: 847
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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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07-16-2015, 01:05 AM
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#2
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Senior Member
Join Date: Feb 2015
Posts: 847
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heres a pic of the bowed supports.
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07-16-2015, 01:10 AM
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#3
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Senior Member
Join Date: Feb 2015
Posts: 847
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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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07-16-2015, 01:14 AM
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#4
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Senior Member
Join Date: Feb 2015
Posts: 847
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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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07-16-2015, 01:20 AM
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#5
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Senior Member
Join Date: Feb 2015
Posts: 847
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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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07-16-2015, 01:25 AM
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#6
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Senior Member
Join Date: Feb 2015
Posts: 847
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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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07-16-2015, 11:57 AM
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#7
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Senior Member
Join Date: Apr 2014
Location: West Atlanta Metro
Posts: 1,235
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Since I don't go under many TT's, what brand and model is this?
__________________
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KT4W
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07-16-2015, 12:16 PM
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#8
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Senior Member
Join Date: Jun 2015
Location: Wheeling, IL
Posts: 261
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I'm also interested in knowing what model.
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07-16-2015, 01:08 PM
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#9
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Senior Member
Join Date: Jun 2011
Location: Saskatchewan, Canada
Posts: 292
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Quote:
Originally Posted by BooBoo23
Since I don't go under many TT's, what brand and model is this?
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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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07-16-2015, 03:00 PM
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#10
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Junior Member
Join Date: May 2015
Posts: 8
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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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07-16-2015, 03:16 PM
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#11
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Georgia Rally Coordinator
Join Date: Jun 2015
Location: GA
Posts: 24,355
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That's a new one I've never seen. Later RJD
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2020 Shasta Phoenix SPF 27RKSS (sold)
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Traded 2015 30WRLIKS V-Lite
Days camped 2019 62
Days camped 2020 49 days camped 2021-74 2022-40 days 2023 5 days
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07-17-2015, 12:08 AM
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#12
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Senior Member
Join Date: Feb 2015
Posts: 847
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the model trailer was a T21RBS. a 2014 i believe. heres the completed repair. i need as trouble free a rental as i can get. this petcock will take a while to drain buts its a worth while trade off in my book.
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08-12-2015, 12:56 PM
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#13
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Junior Member
Join Date: Aug 2015
Location: san diego
Posts: 10
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valve works great
I have a 2004 wildwood, has a drain similar to the one shown works great, very fast and efficient. mine leaks now, this post has great info thanks
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08-12-2015, 01:00 PM
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#14
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Junior Member
Join Date: Aug 2015
Location: san diego
Posts: 10
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thanks great advice
I have a drain similar to the one shown, works great, very convenient. however it now leaks. will plug and move to a better location. Can an average joe do this kind of repair?
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08-13-2015, 12:00 AM
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#15
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Senior Member
Join Date: Feb 2015
Posts: 847
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Quote:
Originally Posted by retired firefighter
I have a 2004 wildwood, has a drain similar to the one shown works great, very fast and efficient. mine leaks now, this post has great info thanks
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i did show 2 valves. the second valve would be an easier fix. some are threaded and some barbed but they usually are easy enough to fix and about 5 bucks to purchase.
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08-13-2015, 12:07 AM
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#16
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Senior Member
Join Date: Feb 2015
Posts: 847
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Quote:
Originally Posted by Bearhugger1933
I had a 2004 prowler that had a fresh water drain like this,never had any problem with it.
Jim
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this one was the worst of the fleet. the 1.5" spin fitting was closest to the corner of the tank where the convex shape of the bottom of the tank was most pronounced. did your 2004 have the white tank? just curious...these units roll almost every weekend in summer, so they do see more use than most privately owned coaches.
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08-13-2015, 11:12 AM
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#17
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Junior Member
Join Date: Aug 2015
Location: san diego
Posts: 10
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fresh water tank
thanks for the reply Crockett, the name on the tank is inca plastics h-607. looking at their website they use polyethylene. haven't scrapped to see if the tank is white, looks gray,black underneath. they used a white spin welded fitting on it. just found a website (tap plastics has a glue that adheres to poly with heat treatment, called poly-weld) going to look into it.) Love the forum, have learned alot.
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