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Old 08-23-2009, 03:10 PM   #1
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What are these valves?

I'm in the process of re-doing the rear bath and have removed the hot and cold water lines that go to the sink. There are valves for both the hot and cold water which were tied to a line which went down through the floor. What's the purpose of this? Possibly something for winterizing? Is this something I need to take into consideration when installing the new plumbing? Obviously it doesn't effect the water flow to the sink, so I'm wondering if I really need to install these for the new plumbing. I'll be going with something other than copper.

Thanks in advance.

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Old 08-23-2009, 03:22 PM   #2
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Those valves are for draining your hot and cold water lines.

I recently had PEX plumbing installed in my bathroom which included new drain valves and drain lines. You'll want to have these valves whether it be for maintenance or winterizing.

This past weekend I had a troublesome toilet connection that leaked, but I had to drain the water from the lines first before doing so. If you don't you have water going everywhere.

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Old 08-23-2009, 03:26 PM   #3
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They appear to be low point drains. You will need them for winterizing the trailer. In my trailer there is a pair near the water heater and another pair at the rear of the trailer between the galley and bath.
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Old 08-23-2009, 03:40 PM   #4
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yep, they're low point drains. got the same thing in mine.

interesting thing: what do you suppose that thing is clamped/banded to the pipe, that looks like a piece of rubber hose.
I have the same thing on mine. I thought it was just that: a simple leak repair, but now that I see it on yours, too...makes me wonder if it doesn't serve some other purpose. vibration dampener? spacer?

either that, or we had the exact same leak, fixed by the same guy. how likely is that?
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Old 08-23-2009, 03:48 PM   #5
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Its a clamp to tie the plumbing to the plywood floor. It keep the copper pipe from moving around and making noise when faucets are turned on an off or when traveling. If moving around, it would be possible to wear a hole in the pipe if rubbing against something.
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Old 08-23-2009, 04:06 PM   #6
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Thanks for the quick replies. It's been said before, but this forum is the best on the whole WWW!!!!

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