Sink Questions - Page 2 - Fiberglass RV


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Old 04-20-2003, 01:23 PM   #15
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Thanks Ray
We'ell go check again maybe this time the clerk will be more helpful.

As for winterizing, it probably was not done which is most likely why it was cracked. The only way to get at this area was to remove the furnace. The fridge shroud blocked access on that side and there was no way possible to reach it on the other side because of the furnace.
Nancy
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Old 04-20-2003, 01:31 PM   #16
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Just stand on your head while you take it out, Nancy. (kidding) It just sounds like you have to do something like that. hope you don't have to get in there very often.
I didn't know I could get a replacement like that. thanks Ray
Now to find one. if or wwhen I find one, I'll tell where. I don't know if mine is cracked or not, but with the other cracked things, like tubing, I found, I know it wasn't winterized lately.
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Old 04-20-2003, 05:45 PM   #17
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You're right Jana, stand on your head, have 6' long arms with three elbows on each that swivel in any direction. They built the trailer around it.
Nancy
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Old 04-20-2003, 05:50 PM   #18
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Funny drain

Janifer,

That is the same one that on my Burro! Don't know where to get one tho , if you find out let me know.

That barb on the side connects to the hose that goes striaght out the side, then empties with a hose to a 5 gal bucket, no vents or confusion. Usually drains alright not too fast no too slow, it only goes about two feet.

I can't imagine why you would have two hoses unless the owner wanted a choice of where to drain out from. At that height it surely couldn't be a vent.
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Old 04-20-2003, 06:23 PM   #19
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**That barb on the side connects to the hose that goes striaght out the side, goes about two feet. - unless the owner wanted a choice** if he didn't use a bucket it might have gotten muddy where the plug went, making it a mess to disconnect. so the other hose. that's a thought. that hose does have a different type of outside opening with no cover. all the other stuff have covers.
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Old 04-21-2003, 10:24 AM   #20
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To vent or not to vent

I suppose it is a matter of choice, but, thanks to a mud dauber, I have had it both ways.

I don't have a gray water holding tank but do have the full bath in addition to the sink. All drains meet at a 'Y' and empty at one location. It then drains to the ground, bucket, or tote tank. My drains have always been a little slow, but they eventually did drain. During my spring clean up, I found that a mud dauber had completely closed off the vent pipe for the gray water drainage system. Once I cleared it and completely opened up the line, it drained much faster. Perhaps if you drain directly from sink to outside and it doesn't go through a system (or elbow) then it would do quite well, but it didn't work for me that way.

Anyone who has a portable holding tank knows that when you empty it, the best you'll get is a 'glup glup' when you don't have the top cap off. When it is off then it gushes out the bottom hole.

Having talked through all of this, I think the answer probably is that if you are draining a sink only, not going through a plumbing system, then then it would probably be okay without a vent pipe. However, I have noticed that even on some pop-ups that drain into buckets, they have instaledl their airvent on the outside on their drain hose. Note the green hose.

<img src=http://www.fiberglassrv.com/board/uploads/3ea40ceda8a35ventdrain.JPG/>
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Old 04-21-2003, 01:35 PM   #21
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Lanny posted an interesting picture
<img src=http://www.fiberglassrv.com/board/uploads/3ea33a92872fdundrbod.jpg/>
That is the shower drain under there, isn't it? It's like the sink drain, but bigger. Can we still get these too.
the one over here, ............................. not this one here.
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Old 04-21-2003, 03:06 PM   #22
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'89

His '86 may be different than my '89, but mine has an elbow just like the lav and the sink. They all empty into a common line that discharges at the side.

I bet you are correct. It may just drain to the ground...but then where to the others drain....

:wave Yoohoo! Lanny, you around?
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Old 04-21-2003, 03:24 PM   #23
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Thanks

:wave Joe, welcome to the forum! And thanks for the straw analogy. I was trying to think of a way to put it, but the words escaped me.

Thanks a million!
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Old 04-21-2003, 09:26 PM   #24
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Sink drain

Hi joe.... If you remove your finger off the top of the straw the water in the straw runs out same as in a sink without a vent. In a sink there is nothing to hold the head of water from draining as long as the bottom of the hose is not submerged in the water in the bucket. The water has to run out the hose via gravity and atmospheric pressure. Your analogy would be okay if you had an air tight cover over your sink and then somehow opened the stopper on a sinkful of water. The air in the sink would not be enough to displace the water and the water would not drain normally but would have a gurgle as air from the end of the hose would try to bubble it`s way up the hose to displace the water. Since there is no cover on the sink, the water has to run out.... At least I think so...Benny
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Old 04-21-2003, 10:51 PM   #25
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more sink drain

Hi again Joe, .....Another explanation would be : compare your sink to a funnel and you pour water in the top and it leaks out the bottom into your container ....no vent required.....Benny
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Old 04-22-2003, 12:35 AM   #26
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My sink drain does not have a vent. It has the plastic trap with the right angle hose barb that connects to the drain hose fitting that is mounted on the trailer wall. The sink is the one and only drain in the trailer. I have an external drain hose (just a section of green garden hose) with a right angle fitting that positions it vertically into a plastic grey water gerry can (about 6 gallons). If the length of the external vertical hose is long and reaches down to the bottom of the gerry can then the sink doesn't drain worth a damn. If the hose is cut short so that it is three or four inches below the top of the gerry can then the sink drains as fast as it ever will.

I have two plastic grey water cans that I alternate. I have never filled one up to the very top such that the short vertical drain hose end would become submerged. I suspect that if I ever get a can that full I should be able to tell by the way the sink becomes stubborn about draining. The six gallon cans are fairly easy to move, dump, and rinse. So far this simple system has been functional without any major problems.

All of the drain plumbing is short and goes down hill (old plumbers saying comes to mind). So far so good.
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Old 04-22-2003, 07:04 AM   #27
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Drains

I think that if one is just draining a sink and can place the exit drain high enough that a bucket would fit underneath and still keep the top hose out of the water, then it should work fine (albeit somewhat slower). I do agree with that. However, as I stated before, if there is going to be any type of plumbing (shower, lav) then we are talking something entirely different.

I did wonder, however, why others felt the need to add an exterior vent when draining into a bucket if it wasn't necessary. :shg As I always say, if it ain't broke don't fix it. If you're happy with it then no need to change it.

Jana, since you're redoing it, you could leave it off. If you find that it isn't draining fast enough, then you could attach one onto the outside drain hose just like the picture I posted.
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Old 04-22-2003, 07:48 AM   #28
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with all the different analogies, each one makes it just a little clearer. thanks for the discussion. and I really like that 6 gal exchange bucket technique.
Short hose just long enough to reach bucket = when full you know. my kind of arrangement. :)
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