Quote:
Originally Posted by JamieGeek
They could be. They are on our Axis.
You may also want to investigate the air admittance valve (AAV) in the cabinet with the bathroom sink (typically the bathroom sink also drains into the black tank). Sometimes the AAV's go bad--they are supposed to let air into the system but not out. I recently had to replace them on ours (our coach also had one with the kitchen sink into the grey system). Fortunately I found the ones available at the Home Depot were screw in replacements. |
Thank you.. good suggestions
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