I have a park model RV (38 ft). The RV is permanently set on a site in an RV park. (This is a weekend/vaca home) We have a permanent sewer hook up from RV to sewer via flexible pipe. Occasionally the toilet bowl will drain. It seems to drain slowly. It's most noticable overnite or when we arrive for weekend stay. There are no noticable leaks inside around the toilet or under trailer around the pipe or connections. Other than bowl draining toilet operates fine. Could this be an issue with the plumbing vent stack being blocked ? Any other thoughts or suggestions ?
When I lived on an island at a military installation, the sewer was under negative pressure because there was no way to properly put a slope on the sewer lines and the sewer system always had pumps running to keep the sewage flowing. I wonder if your RV park may have a similar system because of the low flow of water through the system?
No noises. It's just a slow silent drain of the bowl. If you flush it refills fine. (then slowly drains again) I'm leaning towards a stack problem. Maybe a wasp's nest or something similar. I'm just hoping that when I look down there with a flashlight, nothing is looking back at me. _________________________ Message sent through
If the trailer were parked in my yard I would have done as you suggested. However, the trailer is 75 mile away and closed down for the winter.
I figured I would post the question here and get a few ideas. In the spring will then take the appropriate tools and or suggestions and proceed from there.
Black Pyramid. Look down the hole with a flashlight and see what you can. You will probably see a black pyramid. Most people think that when they park a motor home that you just open the valves, and the poop runs straight through. It does not. It drops onto the flat floor of the holding tank, and the watery part flows off. Most of the exit pipes from a holding tank are on the sides, not the bottoms, and some are an inch or more up from the bottom. Over a time, this builds up an ever hardening black pyramid. To do it properly, you must use it just like you do on the road. Empty it, close the valves, fill it partially with water, use it, and when nearly full, flush it out. Since you will not have the agitation that driving the MH produces, you may have to assist this out of the tank. This can be done in two ways. One is through the wall of the tank sprayers. Cost isn't bad, installation not bad, but drilling new holes in holding tank might be. The second is a simple PVC pipe with a cap on the end with holes drilled in it to make a downward and outward sprayer. When flushing, put it in the open top, and turn on water so that it flushes everything out. Put one of those little 90 degree valves right where the hose joins the PVC, and you can control it while watching it. I bought one that had a black pyramid, and it took eight hours of flushing with the PVC wand at full force before the pyramid broke up and went out the pipe.
This is a very common error among people who park MHs for a long period of time. If this IS actually never ever going to move again, removal of the holding tank, and installation of a continuous line would be the thing to do. But who knows what will happen down the road, and selling the vehicle without a holding tank may be a problem.
You say it has a permanent hookup. This might be true, but without the total removal of a holding tank, the poop only goes as far as the holding tank floor.
Steve, thanks for the reply. My RV does not have a holding tank. The RV is a park model. there is a direct hook up (a 5" corregated hose) from the trailer waste connection to the sewer hook up. _________________________ Message sent through
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