Black roof vent intentionally plugged
I recently picked up a used 2007 Nash TT and have noticed a strong black tank odor immediately after towing it. Today I removed the existing roof top vent to install a swivel vent and discovered the b...
Forum Discussion
coolmom42 wrote:
Possibly to keep the vent hose from being invaded by dirt daubers and other critters while the RV was not in use.
That's a very good possibility if the OP's area has as many dirt daubers as we do here.
Anything not covered or screened gets plugged by a mud nest pretty quickly.
