Troubleshooting Loose Thetford 31672 Toilet

Question

Question:

My Thetford 31672 toilet is very loose . Tighten the nuts is just moving the bolt! Should I replace new flange and bolts and gasket? If so which one to purchase

asked by: Sara S

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Expert Reply:

You are correct, replacing the flange and gasket should take care of the issue. You can determine the correct flange based on your current flange threading. If you have a male thread you need the Replacement RV Toilet Floor Flange - 3" MPT # T05-0782. For the femail threading you need the # T05-0784. For the gasket and bolts you can use the Valterra RV Toilet Floor Gasket with Hold Down Bolts # Q23653VP.

expert reply by: Robin H

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Answer 1

Replacement toilet floor flanges are universal so it will work, but you can determine the correct one based on the threading of your current flange. They will work with 3" pipes which you need to have as well. - Male Thread: Replacement RV…

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Answer 2

I may have a solution for you, but we don't carry that specific Thetford part you're looking for. However, a toilet flange is a fairly universal part and we have two Toilet Floor Flanges available depending whether you need a male or female…

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Answer 3

Yes, the Dometic 320 Full-Timer RV Toilet #DOM27FR that you referenced does come with install hardware and a bottom gasket. I attached a review video for more info on it as well.

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Answer 4

We have the Replacement RV Toilet Floor Flange #T05-0784 which has a 4 inch diameter hole and .541 inches of usable female threads. But if you need something 4 inches long where the threads are we do not have anything.

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Answer 5

I have a solution for you. We have the Dometic 320 Full-Timer RV Toilet - Standard Height - Elongated Bowl - Tan Ceramic #DOM27FR. It is 19-1/4 inches tall with a seat length of 17-1/2 inches.

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Answer 6

The Dometic Full-Timer RV Toilet #DOM27FR is a great option for life in a RV. It has a sturdy ceramic bowl and is the height of a standard residential toilet. The wooden seat is a nice touch for retaining heat, especially when it is cold out. As long…

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Answer 7

To find the correct replacement flange for your trailer you'll first need to remove your current flange to see exactly how it was attached. Your current flange could be screwed onto the pipe or glued to it so you'll need to find out which…

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Answer 8

The Replacement RV Toilet Floor Flange #T05-0782 will screw right into the black water system in your RV (just like the one you're replacing) and secure into place using screws (not included) with the existing mounting holes. You will also just…

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Answer 9

Correct, the tapered end of the Valterra RV Toilet Floor Gasket part #Q23653VP should be facing down towards the tank. In regards to the back and forth rocking, this would be hard to diagnose without seeing your particular setup but the issue could…

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Answer 10

You will need to find a way to twist the flange off as it will be threaded. We have the MPT (Male Pipe Thread) part #T05-0782 and FPT (Female Pipe Thread) #T05-0784 flanges which both are for 3" sewage pipes like what you have on your 1998…

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Answer 11

According to Valterra, you should use a non-hardening sealant safe for ABS plastic. Don't use standard pipe dope or teflon tape as the pipe dope will harden over time which can cause leaking. Teflon tape acts as a lubricant, not a sealant. The…

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Answer 12

You will have to cut the flange off if it is glued on and not releasing. Some have luck with a prybar to get it to come loose. Just be careful not to damage anything.

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Troubleshooting Loose Thetford 31672 Toilet

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