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Old 03-18-2018, 04:47 PM   #1
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2109s mini lite commode problem need help

De-winterizing my unit and have an issue with the toilet. When I push the foot pedal to vacate the bowl the water comes on but the trap door does not open.

I can open and close but it requires a slight push with a brush. How do I fix this?
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Old 03-19-2018, 08:13 AM   #2
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Welcome to the forum its a great place to get your questions answered. Not knowing the model of your toilet this is a guess on my part, it may be that the foot operator has come loose and is not turning the operating lever all the way to open the waste gate. Take a look and see if this is the problem. Let the forum know what you find
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Old 03-19-2018, 10:32 AM   #3
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As SeaDog said, you need to provide make and model.

I seem to remember reading something here on the forum that if the foot pedal doesn't open the trap on a certain make/model, the entire toilet must be replaced. I don't recall the make/model, however.

That COULD be good news/bad news. If it was the Dometic 300 model, then the bad news would mean it needs to be replaced, but the good news would be that you could replace it with a Model 320. A number of folks have upgraded from the 300 to the 320, which is a better toilet. Only issue is that the 320 is bigger and you need to make sure you have enough clearance to install it.
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Old 03-19-2018, 10:46 AM   #4
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Having done that exact replacement on my 21FBRS (same trailer), you MUST modifiy the cabinet behind the commode to get it to fit. The 320 is a GREAT toilet, and the modification is worth it.

I do have the old 300 available for sale if you want it.

Joe
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Old 03-19-2018, 01:35 PM   #5
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Quote:
Originally Posted by mmurphf View Post
De-winterizing my unit and have an issue with the toilet. When I push the foot pedal to vacate the bowl the water comes on but the trap door does not open.

I can open and close but it requires a slight push with a brush. How do I fix this?
I had the "plastic" factory toilet upgraded to a porcelain toilet when I purchased my 2109S. It's not that expensive to swap and never had a problem.Click image for larger version

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Old 03-19-2018, 03:30 PM   #6
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If it says Thetford, just junk it and get a Dometic 320...
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Old 03-19-2018, 04:40 PM   #7
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If it says Thetford, just junk it and get a Dometic 320...
That's correct. Buy online for less than $200.00 and well worth the upgrade.
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