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Old 11-05-2018, 01:29 PM   #1
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Water around floor of toilet, intermittent

Found a small pool of water at toilet base yesterday. I also noticed some wetness to water supply line going into mechanism at top . I tightened up the plastic threaded hose line as much as I could by hand. if it turned an 1/8 inch that was it. This was not the first time but it was the largest amount I found. it had to happen overnight as there was nothing at bedtime on the floor. I wonder if that little amount of twist stopped it? I couldn't get it to leak after numerous flushes? Thoughts please.
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Old 11-05-2018, 01:31 PM   #2
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Let me add the TT was in storage since July 21st & it has been really hot in Florida. This weekend it was down to mid 50's overnight. Anything I should look at (out of warranty BTW).
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Old 11-05-2018, 01:48 PM   #3
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Found a small pool of water at toilet base yesterday. I also noticed some wetness to water supply line going into mechanism at top . I tightened up the plastic threaded hose line as much as I could by hand. if it turned an 1/8 inch that was it. This was not the first time but it was the largest amount I found. it had to happen overnight as there was nothing at bedtime on the floor. I wonder if that little amount of twist stopped it? I couldn't get it to leak after numerous flushes? Thoughts please.

Ur a peein on the floor??
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Old 11-05-2018, 01:51 PM   #4
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Turn off the water supply and remove the fitting from the rear of the toilet, inspect the rubber cone washer and make sure it was not damaged or kinked when originally installed if so you can find a replacement at any hardware store.
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Old 11-05-2018, 02:03 PM   #5
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Could be the flush valve, they are cheap and only last so long, not sure how old your TT is may be time to replace it. Check out replacement videos on Youtube
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Old 11-05-2018, 02:53 PM   #6
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If flushing valve, how do I find part number to replace it? BTW its a 2017 TT & used about 12 months of the past 28 months since I purchased it as new.
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Old 11-05-2018, 06:03 PM   #7
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It would help immensely if we knew what brand/model of toilet it is such as Dometic, Thetford etc. The manufacturer of the toilet should be listed with all the paperwork you received with the camper.
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Old 11-05-2018, 07:24 PM   #8
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I think its a thetford but next time I go to the TT i'll check the back of the toilet for the model #'s
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Old 11-06-2018, 05:49 AM   #9
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Ours does the same thing. The water supply line going in to the back of the toilet is under tension because it comes up from where the wall meets the floor and then tries to go straight in to the top of the back of the toilet. Every time we travel, the black connector backs itself off from the toilet about an 1/8th of a turn like you are describing, and we get a resulting small puddle of water. It either needs a couple 180 degree elbows on that line, or a flexible supply line.
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Old 11-06-2018, 08:00 AM   #10
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I think its a thetford but next time I go to the TT i'll check the back of the toilet for the model #'s
I recently had water leaking from that plastic 'thing' at the top of the toilet. It only leaked while the toilet was being flushed. That is some type of vacuum valve thing with a little rubber deal in it. If that rubber gets out of place, it can leak. I replaced it only to find that the original was probably not broke, just got a little out of place.

I used the part number off the toilet to order a replacement. In my situation I had to remove the toilet which was super easy. The replacement part came with a new seal for the base of the toilet.

I also used this time to put in a shut off valve for the water supply line to the toilet. Just in case future repairs, etc...
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Old 11-20-2018, 05:36 PM   #11
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Ordered a flush valve kit $22.00. I took out toilet today & installed new valve & floor seal. It was pretty easy to do except for the o ring that is a bit of a PIA to get on right. I did find that the original unit I took off didn't have an o ring at all. That's probably why it leaked. I am surprised that the water tube into the valve is a push on. I think I am going to add a clamp to keep it secure.
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Old 08-14-2019, 12:05 PM   #12
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I have an aggravating occasional leak from my Thetford toilet. I replaced the flush valve last year and it works fine except once in a while - without any obvious cause - there is a pool of water coming from under the toilet. Just a little, and only sometimes. Not leaking from the inlet or when flushing. Does not seem to be losing water from the bowl either. My only thought is maybe it sometimes leaks from the drain gasket? I'm going to have to pull the toilet again to check it out and potentially replace the drain seal....so any opinions on whether it might just be better to upgrade - say to a porcelain model? Which porcelain models are an easy switch into a 22FB? I'd rather do it once and the toilet is original - would not mind having a new one...
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