Dean:
You need to check and see if the unit cycles immediately after you flush. After that, try tapping on the outside of the unit with you hand (thump it) to see if the unit will cycle again. If it does, it is not emptying completely. The issue is then with the air cycle valve.
If it seems to be cycling ok, go to Home Depot or Lowes and look for the Zep (Brand) enzyme drain cleaner. Put the enzyme cleaner down the sink (if one is connected) and let it sit for 24 hours. This will help clean out any sludge in the unit. You might try the enzyme treatment once a week for a month and see if that helps.
Normally, I have found the smell comes from the units not cycling properly and completly emptying the units to the proper level. They stay overfull and generate the smell.
If its the air cycle valve, let me know and I will tell you how to address that issue.
Martin Rizzo
[email protected]
Is this the first time you have used it since last season? You need to clean everything you can get a hold of in the unit. Condensation will build up over time and when you don't use it the water gets old, mildewy and smells. Also dust and pollen can be pulled into the unit and create a smell over time.
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