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Is There RV Toilet that Can Fit 10-1/2 inch Rough In Dimension  

Updated 09/29/2025 | Published 09/12/2025

Question:

Hello, my toilet is model 42054, its old and there isnt one from the wall to the screws. It measures 10 1/2 inches, which one do I need? Thanks.

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Expert Reply:

Hey Angel, for a rough in dimension of 10-1/2 inch like what you have I would go with a Dometic 320 Full-Timer RV Toilet # DOM87FR which requires the closest dimension to that with 11 inches. At worst you might need to modify the wall behind the toilet a bit but this is closest option available.

expert reply by:
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Jameson C
Jameson C. profile picture
Etrailer Expert

Jameson C.

9/29/2025

Hey Angel, did the Dometic 320 RV Toilet work out for your setup, or did you need to make any modifications to the wall? I'm curious to know how it turned out, as it could help others with similar measurements.


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