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Old 07-08-2023, 03:49 PM   #1
Jj@mj
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Omg 🌄 Help with Toilet

My half toilet won't stop flowing water and keeps over flowing can anyone help me fix it please.

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Old 07-08-2023, 04:16 PM   #2
Mikendebbie
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Turn the water off to the entire camper at the camp site hose bib until you can fix these issues. I am not sure I understand your statement about the kitchen sink. If it is overflowing out of the sink bowl - you need to drain your galley gray tank.

Go to a hardware store or Home Depot or Lowes and buy a braided flexible supply line with a valve. Put one of these on both of your toilets so that if your toilet craps out (pardon the pun) you can turn the water off at the trouble spot and still have water for the rest of the camper.

There has been many thread on this forum about the OEM Thetford toilets failing. I replaced the toilet in my full bath with a Dometic 310 or 320 - however the Dometic product will not fit my half bath. The Thetford is installed 11" from the wall and a Dometic requires 15".

You can research repairing a Thetford by searching this forum and decide if it is better to fix it or replace it. The Dometic 320 runs ~$250 - $320 on Amazon. Amazon also has lots of replacement parts for Thetford if you want to try a repair. Check your center flange measurement to the wall to see if a Dometic will fit.
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Old 07-08-2023, 06:36 PM   #3
Ram Montana High Country
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Thetford is an on going pain. As mentioned, check your distance from the wall. If the dometic won't work, either put a valve behind it or add a had bidet hand wand for adding water for the bowl. As a temporary solution we use to lift the foot valve with our toes to stop the flow.
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Old 07-09-2023, 09:27 AM   #4
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Are you aware that the sink has a separate drain that's not in the convenience center? It's usually coming out of or near the frame either right in front of or just behind the tires on that side.
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Old 10-10-2023, 04:41 PM   #5
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Change the value are replace it
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Old 10-11-2023, 05:42 AM   #6
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I swapped out my old Thretfold toilet for a Dometic 310 just a short while ago. What a difference. One feature about the Dometic 310 is the fact it came with the slam resistant seat. Push the seat closed (or get it started) and the seat slowly closes on it's own. I got so use to this so fast, I forgot and ended up slamming the seat on the toilet in the house! Yikes!

I repaired my old Thretfold 3 times. I got tired of the leaking seal in the bowl. What a pain to do to. Each time the entire toilet had to be removed, turned upside down, the 2 sections had to be separated, then the new rubber seal carefully placed in position and get the thing back together so it actually worked again. Lots of grease for rubber and plastic, and then after the second push of the peddle ... it still would not hold water.

After 5 years, I finally made the call and just got a new toilet. So far, we've been very happy. No odors from the tank seeping up any more either!
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Old 10-11-2023, 03:32 PM   #7
Kyle and Lisa
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6 years later ,dometic 320
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