First time I dumped the black tank and flushed it, Judi found a river coming from below the bathroom sink. Figured it had to be the black tank flushing line.
Hoping for ready access and an easy fix, I removed the coreplast and aluminium insulation to find the flushing line comes down the driver's side to behind the tank, then up and across the top of the tank through a small 1" gap between the top of the tank and the floor. The connection on top of the tank is completely inaccessible.
To fix will require dropping the black tank, a task I have no desire to attempt.
under the sink you will find the back flow preventer. the dealership changed mine out but they said that the other issue was a kinked hose going to the tank. They blew it out with an air hose
Andy, that line goes up to a antisyphon or back flow preventer as stated, and that is usually accessible. It looks like this
I valved mine hoping to curb some odor under there, but it didn't work. Hope I told the new owner! I don't remember.
Andy, from your description it sounds like the leak is not under the sink but below that. If it's just under the sink it probably is an easy fix.
One thought that just occurred, I've never considered winterizing that flusher line with anti freeze, maybe it's something that I should do to prevent a freeze and the trouble you are having. If the lines have a loop in them water could remain and freeze.
Al - That was my thought regarding the cause, as likewise I never thought to blow out the flushing line. Not sure how we could get pink stuff to stay in the line.
I also figured the water was coming up through the hole in the floor for the lines below the sink. The shelves were dry on top and when I tested it to verify where it was leaking, Judi watched while I turned on the water and she also thought it was coming from underneath. However, I am going to test it again and check under the sink myself.
It’s likely that you blew a pex fitting in the flusher line. There is some type of a nozzle at the end of the line inside the black tank to achieve flushing action. The nozzle builds up back pressure in the flushing line. I have noticed that after flushing the black tank I need to wait for a short period of time before disconnecting the supply hose or else I get a large backflow out of the fitting in the convenience center. Hi water pressure at the supply can exacerbate the situation. Now you will need to discover where the line has come apart.:woohoo:
When I winterize, I first blow out all lines, I then shoot a couple bursts of air into the black tank flush..
Sounds like a pex line, or fitting for sure
By the way, I have experienced leaking from the flusher line when the water pressure is high. Because our RW is a different model than yours, the water runs out from the Corplast beneath the convenience center. If I use a water pressure reducer the leaking stops! Are you using a pressure reducer? Is the water pressure high in Indian Waters? I sort of recall it was high pressure when we were there two weeks ago.
I always blow out the flush line at around 40psi
By the way, I have experienced leaking from the flusher line when the water pressure is high. Because our RW is a different model than yours, the water runs out from the Corplast beneath the convenience center. If I use a water pressure reducer the leaking stops! Are you using a pressure reducer? Is the water pressure high in Indian Waters? I sort of recall it was high pressure when we were there two weeks ago.
Terry - I use a pressure reducer set to 45 - 50 psi. I suspect it is the pex fitting at the top of the tank, as all fittings under the sink are good.
Did you find the problem Andy?
Did you find the problem Andy?
Brad - affirmative, it is the connection to the top of the tank. The line and valve under the sink was good. I suspect it is the pex fitting to the top of the tank, as it hits the tank and sprays and up under the sink.
Needs to have the tank dropped to access, which is something I have no desire to attempt.
Sorry to hear of your problem black water tank issues, they are the crappiest ones to have. (pun intended). On my SOB before our RW we had a problem where someone left the cut out from the toilet connect at the top on the tank in the tank. In order to get the tank flushed about once a month I would run a hose with a piece of hose around 10 ft long connected to it that I converted to make a what I called a super flusher. I used a 6 gallon bucket to keep the flusher hose in for sanitary reasons then opened the toilet and ran the hose into the tank. The hose I ran into the tank was an old hose that I cut off, put a cap sealing the end of the cut off portion then drilled holes in the bottom 2 ft of the hose. Best darned thing I ever made maybe not the nicest way to clean out the tank but then nothing is worse than a plugged up tank. I used this method for a couple of years until a new tank was installed and that is a whole other story I choose to blank my memory bank on........YUCK Good luck Andy I definately feel for you on this problem!!
So sorry to hear that Andy. Not fun at all.
