Quote:
Originally Posted by DustyD
I have a Thor 2014 ACE 29.2 with a constant black tank oder. I am looking for the black tank roof vent. I have found one vent on the roof but not two. Are both black and grey vented through one vent on this model?
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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.