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Old 09-15-2018, 09:40 AM   #1
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Dometic 300 toilet odor

Donít know if this problem is occurring in more FR3 motorhome than ours but we are most unhappy that it occurred at all.
Apparently several years Ago Dometic was having problems with the design of their 300 model toilet- it allowed urine to be trapped in one part of the toilet, leading to an intense odor of urine that no amount of cleaning or scrubbing would erase. There are posts on the technical part of this website describing the problem and the fact that Dometic would send a replacement. I believe the latest posts re this problem were 2015-16.
We purchased a 2018 FR3 30 dis in the fall of 2017, and took delivery in April 2018. After a couple of camping trips we encountered that odour and nothing took it away. I found the posts about the problem on the FR website; contacted Heidi at Forest River, and within 3 days had a new toilet. (We opted to upgrade to a 320 at a cost of $100)
My comment is- why are these models still being installed in new RVs? Are they hoping no one will notice? That hubby will take the blame? Is this another example of manufacturers really donít give a damn?
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Old 09-15-2018, 10:11 AM   #2
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Originally Posted by Versus3 View Post
Donít know if this problem is occurring in more FR3 motorhome than ours but we are most unhappy that it occurred at all.
Apparently several years Ago Dometic was having problems with the design of their 300 model toilet- it allowed urine to be trapped in one part of the toilet, leading to an intense odor of urine that no amount of cleaning or scrubbing would erase. There are posts on the technical part of this website describing the problem and the fact that Dometic would send a replacement. I believe the latest posts re this problem were 2015-16.
We purchased a 2018 FR3 30 dis in the fall of 2017, and took delivery in April 2018. After a couple of camping trips we encountered that odour and nothing took it away. I found the posts about the problem on the FR website; contacted Heidi at Forest River, and within 3 days had a new toilet. (We opted to upgrade to a 320 at a cost of $100)
My comment is- why are these models still being installed in new RVs? Are they hoping no one will notice? That hubby will take the blame? Is this another example of manufacturers really donít give a damn?
We have a 2018 30ds we picked up new in January and have noticed occasional odors but when we clean the bowl, it goes away. It was built in January 2018, so maybe they used the improved toilet?
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Old 09-15-2018, 10:24 AM   #3
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Ours was manufactured in Nov. 2017. Keep an eye on it, and read the posting under Tech Talk. If you want to know if your toilet was defective call Dometic and speak with Heidi. If you give her the serial number she can tell you right away. Good luck!
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Old 09-15-2018, 10:47 AM   #4
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Thanks! Is the serial number on the toilet somewhere?
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Old 09-15-2018, 10:52 AM   #5
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Yes it is on a sticker, supposed to located just above the foot pedal on the case. Ours was actually on the underside of the bowl- had to use a mechanicís mirror to find it!!
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Old 09-15-2018, 11:29 AM   #6
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Just spent 10 minutes with a mirror and my phone looking for that sticker but nothing. Can't even find the manual among the many they gave me! Not sure I ever got one.
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Old 09-15-2018, 11:42 AM   #7
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Quote:
Originally Posted by Versus3 View Post
Don’t know if this problem is occurring in more FR3 motorhome than ours but we are most unhappy that it occurred at all.
Apparently several years Ago Dometic was having problems with the design of their 300 model toilet- it allowed urine to be trapped in one part of the toilet, leading to an intense odor of urine that no amount of cleaning or scrubbing would erase. There are posts on the technical part of this website describing the problem and the fact that Dometic would send a replacement. I believe the latest posts re this problem were 2015-16.
We purchased a 2018 FR3 30 dis in the fall of 2017, and took delivery in April 2018. After a couple of camping trips we encountered that odour and nothing took it away. I found the posts about the problem on the FR website; contacted Heidi at Forest River, and within 3 days had a new toilet. (We opted to upgrade to a 320 at a cost of $100)
My comment is- why are these models still being installed in new RVs? Are they hoping no one will notice? That hubby will take the blame? Is this another example of manufacturers really don’t give a damn?
I make sure water is always left in the bowl to keep the ball gasket wet & sealed. I also apply plumber's waterproof grease on the bottom of the gasket every spring when I de-winterize.

I replaced my Dometic 300 within two weeks after taking delivery of my FR3. My Dometic 320 is solid and does not wobble when you sit on it. I even installed a no-slam toilet seat. I hated hearing a crash going down the road when the lid closed on it own. I am still working on making sure the bathroom door is closed before we start driving.

The Dometic 310 comes with a no-slam toilet seat. Why doesn't the Dometic 320 come with a no-slam toilet seat? (don't answer)

I like my FR3 28DS. Forest River did a great job building it. It is the perfect motorhome floorplan for a price I can afford. Sure mistakes were made in the manufacture. It is assembled by hand.

For example, a couple of weeks ago, I had a slide motor failure. see: Stuck in my Driveway with a dead living room slide motor.

The fault was a bad crimp of the slide motor wire. I fixed it & learned a lot about my slides. I now know how to fix my slides in the process. I am happy with my FR3. I have also done a lot of customization. see below in SIG
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Old 09-15-2018, 11:43 AM   #8
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The manual is just a folded sheet of paper- ours was sitting on the bathroom counter. Perhaps call your dealer- if they have a warranty person speak to them. The problem should be covered by warranty; you want to have it looked after sooner than later.
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Old 09-15-2018, 06:52 PM   #9
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To answer your question Versus, Manufacturers discover all kinds of problems after the fact. ( this applies to many things made in AMERICA)(probably world wide). They always roll the dice telling the dealers the old saying "the squeaky wheel gets the grease" in other words, those of you (consumers) that scream loud enough, they will take care of what they already know is a problem , other wise they figure the "saps" will pay and it won't cost the manufacturer as much money. I worked for a world known name( not just national) and they would say if the issues ( an engineered problem) arises keep your mouth shut! Try to see if you can just charge them,so that the manufacturer would make it through the warranty period with out to much cost ! You have the old style in your newer rig because; they have lots of inventory in stock , and need to get rid of them. Doesn't matter there is an issue with them!....... No more Company's that really care about their name, and what they sell to the consumers! its all about the bottom line of the accountants books!!! MONEY!!!!!!!
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Old 09-24-2018, 12:20 PM   #10
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We get a strong "bathroom" odor whenever we go camping for 4-5 days or more in high heat areas. We use deodorizer bags in the tank from the beginning of the trip. I can't seem to located where the smell comes from. I'm wondering if our toilet needs a wax seal like on a home toilet. hmmm
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