We have a 2017 Open Range travel trailer that we bought new. Over the years, we have noticed a smell that we are not able to track down. The smell is present even with the tanks empty. It is very stro...
Don’t know about yours, but on some trailers they are using hepVo valves now instead of P traps. If the rubber seal doesn’t close properly it can allow fumes/odors to come back up the drain.