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Old 10-31-2012, 09:25 AM   #1
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Bad Odor

We have a urine odor in our bathroom that is quite strong. Seems to come and go, though it never quite disappears. Can't seem to find the source. No Leaks anywhere. Recently, Airstream of Spokane, WA installed a new China toilet but can find now fault with there work. Does anyone have an idea of what this source could be.
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Old 10-31-2012, 11:15 AM   #2
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Do you always keep an inch of water in the bowl?

If the bowl gasket on the new china toilet won't hold water, or if you don't add water to the bowl after flushing, the odor can be quite strong.
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Old 10-31-2012, 11:23 AM   #3
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Since the folks in Spokane had the toilet off recently, you might call them and ask if they saw any signs of old leakage.
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Old 10-31-2012, 11:49 AM   #4
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The obvious first choice is the toilet flange gasket. If that's good, maybe I'd check the shower drain. If it's not used often or at all, it might not have enough water in the trap to make an air lock. I'd take a hard look at the sewer vent roof exit point. Some sewer vent stacks are low enough to allow sewer vent air to enter the cabin.

If all else fails, I'd do an objective test for an LP gas leak and a battery gas vent issue.
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Old 10-31-2012, 12:20 PM   #5
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Quote:
Originally Posted by HPilot View Post
We have a urine odor in our bathroom that is quite strong. Seems to come and go, though it never quite disappears. Can't seem to find the source. No Leaks anywhere. Recently, Airstream of Spokane, WA installed a new China toilet but can find now fault with there work. Does anyone have an idea of what this source could be.
Check the sewer vent pipe cover gaskets.

They only last 2 to 3 years.

If they are bad, they will allow odors back into the shell.

Andy
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Old 10-31-2012, 12:42 PM   #6
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The shower drain connects to the grey tank only. Not the black tank so urine odors cannot originate through the shower drain unless there's a much greater issue at work here.
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Old 10-31-2012, 05:21 PM   #7
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Way off the original concept...methinks y'all are eating a lot of asparagus. Of all the veggies, asparagus is notorious for creating foul smelling urine odor. Cut back on the asparagus and hollandaise sauce and the odor will go away.
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Old 10-31-2012, 06:22 PM   #8
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Andy has it right.
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Old 10-31-2012, 08:41 PM   #9
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If the toilet is a new china Dometic, ensure that the joint located about half way up is tight. If is not, the negative pressure created by the exhaust fan will draw in some nasty aromas from your black tank. The fix is by removing the toilet, turning it upside down, and tightening the four screws used for holding the thing together. Also ensure that the donut gasket is not wrinkled when you put the thing back on its base.
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