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Old 01-19-2014, 06:55 PM   #1
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1986 25' Sovereign
Lake Alfred , Florida
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Moved FW tank drain 1986, 25' Sovereign

My fresh water tank drain broke off and was plugged with a galvanized fitting years ago by some previous owner. My plan was to restore the drain but also to move it from behind the front curbside tire to a spot I can reach between the tires.

Here's the parts—all purchased from Home Depot (all brass). From right to left, 4" pipe with 3/8" threads, 3/8" elbow, 1/2" to 3/8" reducer, 1/2" Sharkbite fitting with 1/2" male threads, 1/2" Sharkbite ball valve with 1/2" female threads and 1/2" elbow with 1/2" male threads.
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Old 01-20-2014, 05:48 AM   #2
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4" brass pipe attached to the tank protrudes through the opening where the old plastic drain was.

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The elbow attaches to the 4" pipe and the reducer converts to 1/2" and attaches to the Sharkbite fitting.

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A 1/2" section of pex connects the Sharkbite fitting to a Sharkbite ball valve and elbow.

Now I can easily reach the valve to drain the tank. and The drain system is now 3/8" to 1/2" which should allow it to drain faster than the old 1/4" valve. It should also be more durable since it's all brass. The Sharkbite fittings really make this arrangement possible because there isn't enough space to spin on other types of fittings or valves. The only downsides I see, so far, are I lost the most convenient place to position my floor jack (between the wheels) and there is now a section of water line exposed to the cold.
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Old 01-20-2014, 07:56 AM   #3
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2001 30' Excella
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I replaced the valve on my old trailer but stayed original. I like yours and if doing our newer trailer one day I will think again on this conversion. My only question is, and I don't recall from doing mine, is the barb fitting that protrudes from the tank a threaded in fitting. It looks like yours is. I can't recall what mine had. By that I mean was it glued in or threaded in. If threaded your idea is smart. I don't think the small extension of pex is a freeze problem so long as you leave the valve open. The pex does have some give and take inherent in it's makeup too.

ThanX
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Old 01-20-2014, 08:16 AM   #4
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I would remove the handle on the ball valve and replace it with the handle pointing up when closed. That way it will not catch on anything you drive over.
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Old 01-20-2014, 05:29 PM   #5
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ventport,
One of the nice things about the Sharkbite valve is I can actually rotate the handle up to a horizontal orientation for travel.
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Old 01-20-2014, 05:39 PM   #6
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polarlyse

The fitting on the tank is a 3/8" female threaded opening. I believe the original arrangement used a 3/8" male threaded fitting with a unthreaded barb to attach a short section of clear hose to original valve via hose clamps.
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Old 01-20-2014, 06:00 PM   #7
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2001 30' Excella
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Thanks for getting me straight on that. Have to dig into mine one day. There are other brass valve options I've seen but I think I like yours the best. THANX
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