It is permanently mounted down the steps from the cockpit to the swim platform on the starboard side (on a 588). I'm the 3rd owner. When I was in the process of buying the boat, I saw a clear plastic hinged cover but there was only a piece of white plastic underneath it. Researching what it might be, I learned that it was probably the inflator but figured maybe it wasn't installed.
Until... I was flipping through the sales brochure a few months after I purchased the boat and saw that one was installed at one point. Zooming way in, I could vaguely read "Turbomax".

Recently, I had occasion to spend way too much time in the starboard aft quarter, accessed from the cabin if you are a contortionist and like cramped spaces. This is the backside of the framed-in box on the steps. The clearance for the back panel is nicely machined, so I think it is a factory part installed vs. a generic box modified by a boatyard. If that's right, then I think Boatoon might be the source. To my surprise I saw red/black wiring there, factory-labeled "compressor" (you can see them on the right side of the picture). Once I removed the electrical tape, I found them to be live with 12v. When I looked later, those wires begin in the port cabin. Underneath the port berth, there is a bus bar, and that is where they are, labeled & protected by a 160A fuse. It is the same bus bar for the winches. The circuit does not appear to be switched.
Here is a pic of the new inflator, which I will install on my next visit. You can see how it would be sandwiched in the box.
So why was it removed? Maybe the original wasn't working, and it was better to remove it than have something to fix/replace during survey. I have read on other Hanse model forums that their compressor stopped working when a little water got inside the case from behind. So, before I permanently install, I might put a bead of sealant around the gap.
If you don't or can't, there is a Turbomax compressor that comes in a little cooler-sized bag which you could modify to a 12v jack for the cockpit. That would help alleviate water concerns by storing it elsewhere. Take care to get the right one, because the compressor is also available as a 24v model!
------------- Jon S/V Lyn 2017 Hanse 588 | Hull 19 | Deep draft | 150hp | 220v & 110v systems | Lithium House Bank
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