Well first let’s look at the way this fitting creates a seal. There is a rubber seal inside your bayonet fitting. To hook up your sewer hose you must twist against that seal which can cause the seal itself to crimp. And we all know that a crimped seal will cause leaks.
Now let’s take a minute and consider what’s passing through that hose. I don’t know anyone that wants sewage dripping anywhere near them. The correct type of fitting for a job like this is a compression fitting. A compression fitting allows the seal to have pressure applied to it evenly, eliminating the possibility of crimping. If you’ve ever seen an 18 wheeler off loading fuel at a gas station, then you’ve seen a compression or Cam Loc fitting. Now doesn’t it make sense to use the same type of fitting when you’re emptying sewage from your holding tank? In fact, when we were developing this product, we couldn’t find any other industry that uses the bayonet fitting. So why do most RV’s come standard with a bayonet fitting at the sewer outlet? Well, it comes down to cost. A bayonet fitting is quite a bit cheaper than a cam loc fitting, so over time it just became the standard, and up until now folks like yourself, just accepted it as one of the irritating things about the RVing lifestyle.
Standard 3" Bayonet Fitting
VS
3" Cam Loc Fitting with Cap
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