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Post by Larry and Pat on Nov 23, 2017 23:04:58 GMT -5
Our brand new 2018 Connect 241RLK has a porcelain toilet. The last two times we had it out in cold weather and did not run the furnace we noticed a small pool of water on the floor at the base of the toilet. It did not happen the other 5 times we had it out in warm weather. At first we thought perhaps it was condensation. We can’t get it leak. We flush. We checked all around. Does anyone else have this problem with their porcelain toilet in cold weather? We don’t run the furnace when we are away from the RV. This evening we went out for a few hours and when we got back it was 55 degrees inside and there was a small pool of water on the floor. Last few nights we were in the RV and we were running the furnace and no pool of water. We are baffled. Thanks!
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Post by lynnmor on Nov 24, 2017 10:33:55 GMT -5
Might be condensation, but you need to know for sure. Try taping a strip of paper towel at each suspected area and see if it gets wet. Possible leaks are the vacuum breaker at the top rear, the water valve that the foot pedal operates and the seal at floor level.
The toilet can get very cold because the holding tank is vented to outside air and it connects directly to it. A cold surface will have condensation when the dew point is reached. The humidity inside the RV may be too high which raises the dew point. Be sure to keep cooking to a minimum and don't dry towels and wet clothing inside. You should have a vent or window open a bit to prevent moisture buildup.
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Post by RdRmr on Nov 24, 2017 14:26:18 GMT -5
Larry & Pat,
We had the same issue with our porcelain toilet. Took a while to track it down. What it wound up being was the water supply to the fixture. What created the leak was we were using the water heater on electric and leaving it on, hence as the water got hotter it expanded and the pressure backed up into the cold water side of the system, it also leaked at the back of the docking station. What I did to eliminate the problem was go to all the connections and make sure they were tight, some I got more than a half turn out of them. And I also installed a check valve on the cold water inlet side of the water heater tank, that way it keeps the pressure from backing into the cold water side as the water heats. Since doing this I've never had another issue, (two years). The 5TH wheel did come with a check valve on the outlet side of the hot out of the tank but that didn't do anything for tank pressure backing up in the cold side. Ever notice how you get a rush of pressure when you first turn on the water after the water heater has been on for awhile?
That was my issue, hope it might shed some light on yours. Keep us posted. Happy Campin....
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Post by Larry and Pat on Nov 24, 2017 15:32:58 GMT -5
We found the leak. It is the hose clamp on the pressure side of the water intake.
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Post by Larry and Pat on Nov 24, 2017 15:34:32 GMT -5
Larry & Pat, We had the same issue with our porcelain toilet. Took a while to track it down. What it wound up being was the water supply to the fixture. What created the leak was we were using the water heater on electric and leaving it on, hence as the water got hotter it expanded and the pressure backed up into the cold water side of the system, it also leaked at the back of the docking station. What I did to eliminate the problem was go to all the connections and make sure they were tight, some I got more than a half turn out of them. And I also installed a check valve on the cold water inlet side of the water heater tank, that way it keeps the pressure from backing into the cold water side as the water heats. Since doing this I've never had another issue, (two years). The 5TH wheel did come with a check valve on the outlet side of the hot out of the tank but that didn't do anything for tank pressure backing up in the cold side. Ever notice how you get a rush of pressure when you first turn on the water after the water heater has been on for awhile? That was my issue, hope it might shed some light on yours. Keep us posted. Happy Campin.... |
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Post by Chuck on Nov 24, 2017 16:26:32 GMT -5
 for the great information on condensation an leaks, lynnmor, RdRmr an Larry and Pat, hopefully it will help others down the road since trailers are like rolling earthquakes an things do come loose at times  Safe Travels Chuck |
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Post by Larry and Pat on Nov 24, 2017 18:06:40 GMT -5
View Attachment for the great information on condensation an leaks, lynnmor, RdRmr an Larry and Pat, hopefully it will help others down the road since trailers are like rolling earthquakes an things do come loose at times Safe Travels Chuck Yes Chuck. You said it! Every trip is a new adventure in repairing something. Luckily we are do it yourselfers. You guys are the best. Talk to you soon. Larry and Pat |
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Post by Chuck on Nov 24, 2017 20:59:59 GMT -5
for the great information on condensation an leaks, lynnmor, RdRmr an Larry and Pat, hopefully it will help others down the road since trailers are like rolling earthquakes an things do come loose at times Safe Travels Chuck Yes Chuck. You said it! Every trip is a new adventure in repairing something. Luckily we are do it yourselfers. You guys are the best. Talk to you soon. Larry and Pat Don't forget about the Kz rally in August this next summer, you will get to meet some great people from Kz  as well as some wonderful great Kz owners  Safe Travels Chuck |
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Post by Larry and Pat on Nov 25, 2017 9:30:57 GMT -5
RdRmr - you are correct. The source of the problem is the hot water heater. We did a little test. Only a few drops of water leaked when the hot water heater was turned off. We turned it back on and went out running errands for an hour and came back to about a quarter cup of water that leaked out into the cup we placed under the leak. Going to see what we have on this model as far as check valves. Replacing hose clamp and tightening down the other connections today and we’ll see how it goes when we turn the hot water heater on. Thanks again for taking the time to give us the information. 👍
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Post by lynnmor on Nov 25, 2017 15:14:54 GMT -5
You didn’t say if you are on city water connection or if you are using the pump. City water pressure can be extremely high so a pressure regulator is recommended.
The check valve in the hot side of the water heater, together with a valve on the cold side, is to prevent anti-freeze from filling it. A water heater acts like an expansion tank since some air is captured at the top and that air pocket will be lost over time. Draining and refilling it will re- establish the air pocket. Under normal conditions you should never have excess pressure just using the water heater.
I believe that your problem was simply a faulty connection.
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Post by Larry and Pat on Nov 25, 2017 22:01:06 GMT -5
We are on city water. Yes the problem was a loose connection. Been good all day today whether hot water heat was on or not. Thanks!
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Post by Larry and Pat on Nov 25, 2017 22:37:44 GMT -5
We always use a pressure regulator. 👍😀
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Post by RdRmr on Nov 27, 2017 13:10:10 GMT -5
Larry & Pat,
Glad to hear you found it, one less headache. I as well always use a reg. I install a Y on the hose bib and attach the regulator to one side of it, that way if I want full pressure for another hose I have it and don't have to mess with the 5TH wheel feed. I am glad I took the time to install the check valve on the inlet side, no more worries. Like I said, there was one on the hot out of the tank but none on the inlet to stop the pressure from backing out into the cold side. Our unit also has a bypass for the tank. Just make sure your arrows "indicating direction of flow" are pointed in the right direction. Here are a couple pics. at least I have room to work on it, some units are a bit tight. Last pic. is the rear of the docking station, spaghetti city. Every time I do a change or repair I take a couple pics. Happy Campin....
  
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Post by lynnmor on Nov 27, 2017 18:16:37 GMT -5
I am glad I took the time to install the check valve on the inlet side, no more worries. Like I said, there was one on the hot out of the tank but none on the inlet to stop the pressure from backing out into the cold side. As I said above, the water heater acts as an expansion tank. Installing a check valve in the inlet will capture any increase in pressure in the hot side only. This will increase water pump cycling with no positive benefit. That check valve in the outlet side is simply a cheaper way to provide a winterizing bypass. |
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