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Old 05-03-2021, 06:04 PM   #1
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1978 27' Overlander
Haines City , Florida
Join Date: Feb 2019
Posts: 6
Tubes underneath back (2)

Hello, 77 27' under back of trailer 2 tubes what are they? When i turn on spicket on clean water comes out fast. Anybody knows what the problem is???
Thanks
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Old 05-03-2021, 06:31 PM   #2
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1982 27' Excella
Harrisburg , Oregon
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My Excella has three tubes under it. The rear-most is the dump tube for sewage from the black water tank, and waste water from the gray water tank. There are T-handles in the trunk of my trailer that open sliding gate valves to open each tank in turn for draining at a waste station.

Ahead of the rear wheels, I have two tubes that stretch across the belly of the trailer. They each hold lengths of waste hose, and they're used to connect the rear sewage outlet to the opening at the waste station. I think a previous owner installed two because one one of the places they liked to camp may have been a little further from the sewer inlet, so they needed two hoses to reach all the way.

If these explanations seem a little confusing, attach some pictures of what you're looking at and I'm sure experienced folks here will answer with greater certainty.

Good luck with your new trailer.

Scott
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Old 05-03-2021, 07:15 PM   #3
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Quote:
Originally Posted by Riva bella View Post
Hello, 77 27' under back of trailer 2 tubes what are they? When i turn on spicket on clean water comes out fast. Anybody knows what the problem is???
Thanks
Could they be your low point drains for winterizing?
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Old 05-03-2021, 09:11 PM   #4
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2020 23' Flying Cloud
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Picture would help, or a better description. Half inch diameter or less? Quarter turn valves, one red and one blue? Flow is faster when hooked up to city water? Do you have a manual?
I’d put money on Itsno60’s suggestion.
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Old 05-04-2021, 05:14 PM   #5
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1978 27' Overlander
Haines City , Florida
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Could it be the valve has broken?
1 half inch diameter.
When push down or up on t shape handles it changes nothing. Water is definitely clean ( cristal clear) Should the T shape handles be up or down?
Witch is closed, witch is open?
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Old 05-04-2021, 05:19 PM   #6
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1978 27' Overlander
Haines City , Florida
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Hey Scott, I am not a handy person, do u think maybe the slide gate broke or is that unlikely.
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Old 05-04-2021, 05:30 PM   #7
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1978 27' Overlander
Haines City , Florida
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I will post pictures when i figure out how

Thanks you all
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Old 05-04-2021, 06:05 PM   #8
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1994 34' Excella
Warren , Manitoba
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If it is a 1/2" line, it is a fresh water drain line. If there are no valves visible outside, look on the inside above where they exit the trailer. You will probably see a small valve on each line. Turn the valve counter clockwise to close, or have the handle cross wise to the line. There is probably one for hot and one for cold. There might also be another drain line towards the centre of the trailer.
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Old 05-05-2021, 04:48 AM   #9
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1978 27' Overlander
Haines City , Florida
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Thanks. Very good advice.
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Old 05-05-2021, 01:46 PM   #10
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1979 31' Sovereign
Las Vegas , Nevada
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Low point drains

Quote:
Originally Posted by CBWELL View Post
If it is a 1/2" line, it is a fresh water drain line. If there are no valves visible outside, look on the inside above where they exit the trailer. You will probably see a small valve on each line. Turn the valve counter clockwise to close, or have the handle cross wise to the line. There is probably one for hot and one for cold. There might also be another drain line towards the centre of the trailer.
X2. Exact same as our 1979. The valves are inside the trunk.
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Old 05-05-2021, 02:41 PM   #11
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1978 27' Overlander
Haines City , Florida
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That is correct. When i turn one of the valves water comes out of one tube. The other valve when i turn it nothing happens, water still runs out of the other tube. Could the valve have broken? Is that possible?
Thanks again for ur help.
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