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Old 05-09-2020, 05:42 PM   #1
Summerwind
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Elongated seat toilet?

Our new RV came with a Dometic 301 toilet. We would like to replace it with one with an elongated seat. Any suggestions?
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Old 05-09-2020, 07:23 PM   #2
sourdough
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Would that be a 310? If so the elongated one is a 320 I believe.
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Old 05-10-2020, 04:34 AM   #3
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Quote:
Originally Posted by sourdough View Post
Would that be a 310? If so the elongated one is a 320 I believe.
We have the 320 and it is elongated.
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Old 05-10-2020, 05:33 AM   #4
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The 320 is designed for male anatomy; the 300/310 series not so much but much better than the Aqua Magic which is like sitting on a bucket.
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Old 05-10-2020, 05:53 AM   #5
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Essentially there are three "Dometic toilets" used in Keystone trailers.

The first is the 300 series, Extremely light weight, round PLASTIC bowl.
Next is the 310 series, Heavier, shaped like t he 300, but has a ceramic bowl.
Next is the 320 series, Larger than the 300/310, so it may not fit in the same space, elongated bowl, has a "rim to prevent sloshing" and the bowl is ceramic.

Plastic bowls scratch, those scratches lead to cleaning issues/staining issues.
Ceramic bowls are more durable, easier to clean, but weigh significantly more, so in an ultralite or superlite trailer where every pound counts, manufacturers either install the 300 series or go to the "lighter weight Thetford toilets...

Some love Thetford, some, not so much. That's a different thread...

The only "elongated toilet" in the "Dometic 300 series" is the 320. It won't fit in every bathroom, so measure carefully before buying.
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Old 05-10-2020, 08:55 AM   #6
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The best thing we did with the 320 in our trailer was to replace toilet seat with a soft closing one!
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