I am thinking about having a water key installed on my third valve slide. I tend to get a good bit of water trapped in there, and I hate to unscrew the slide stop to empty it out. This is a Benge - I guest it's a 3XPlus because it has a #3 bell and an MLP bore.
So, here is the question, is this a job for a local tech (I know there are different levels of competency, but let's assume an average tech), or should I just wait until I have a trip to Socal and bring it over to Kanstul? (I am assuming that they'll do the job).